freebookspot.es

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Free website and domain report on freebookspot.es

Last Updated: 28th December, 2021 Update Now
Overview

Snoop Summary for freebookspot.es

This is a free and comprehensive report about freebookspot.es. The domain freebookspot.es is currently hosted on a server located in Russia with the IP address 94.250.251.232, where RUB is the local currency and the local language is Russian. Freebookspot.es has the potential to be earning an estimated $1 USD per day from advertising revenue. If freebookspot.es was to be sold it would possibly be worth $759 USD (based on the daily revenue potential of the website over a 24 month period). Freebookspot.es receives an estimated 360 unique visitors every day - a decent amount of traffic! This report was last updated 28th December, 2021.

About freebookspot.es

Site Preview: freebookspot.es freebookspot.es
Title: FreeBookSpot | Download e-books for free
Description:
Keywords and Tags: free ebook spot es, freebookspot, freebookspot es, freebookspot es default, freebookspot es top ten, http freebookspot es, potential illegal software, www freebookspot es proxy, www freebookspot es safe
Related Terms:
Fav Icon:
Age:
Domain Created:
Domain Updated:
Domain Expires:
Review

Snoop Score

1/5

Valuation

$759 USD
Note: All valuation figures are estimates.

Popularity

Low
Note: Popularity is estimated.

Rank, Reach and Authority

Alexa Rank: 3,570,903
Alexa Reach:
SEMrush Rank (US): 526,479
SEMrush Authority Score: 52
Moz Domain Authority: 0
Moz Page Authority: 0

Organic vs Paid (Google Ads)

Organic Paid
Keywords: 249 0
Traffic: 2,082 0
Cost: $1,821 USD $0 USD
Traffic

Visitors

Daily Visitors: 360
Monthly Visitors: 10,957
Yearly Visitors: 131,400
Note: All visitors figures are estimates.

Visitors By Country

Revenue

Revenue

Daily Revenue: $1 USD
Monthly Revenue: $31 USD
Yearly Revenue: $374 USD
Note: All revenue figures are estimates.

Revenue By Country

SEO

Backlinks Analysis (SEMrush)

Backlinks: 62,411
Referring Domains: 2,187
Referring IPs: 1,559
Freebookspot.es has 62,411 backlinks according to SEMrush. 94% of these backlinks are "dofollow" (follow) links which allow the flow of link equity to pass through, which may improve freebookspot.es's search engine rankings. Other links are treated as 'hints' by search engines and may also pass link equity, depending on what search engines decide in each case.
100% of freebookspot.es's backlinks are text and image links, which are ideal for SEO. Other backlink types may be unrecognized or ignored by search engines.

Top New Follow Links

1
Source: https://forum.suprbay.org/Thread-List-of-free-eBook-download-sites
Target: http://www.freebookspot.es/

2
Source: https://forum.suprbay.org/Thread-List-of-free-eBook-download-sites
Target: http://www.freebookspot.es/

3
Source: https://forum.suprbay.org/Thread-List-of-free-eBook-download-sites
Target: http://www.freebookspot.es/Default.aspx

4
Source: https://www.genmuda.com/5-situs-download-buku-gratis-yang-paling-bermanfaat-buat-mahasiswa/
Target: http://www.freebookspot.es/

5
Source: https://forum.suprbay.org/Thread-Michael-Mosley-The-Clever-Guts-Diet
Target: http://www.freebookspot.es/comments.aspx?Element_ID=1192271

Top Ranking Keywords (US)

1
Keyword: freebookspot
Ranked Page: http://www.freebookspot.es/default.aspx

2
Keyword: freebookspot
Ranked Page: http://www.freebookspot.es/default.aspx/catalogue.aspx

3
Keyword: freebookspot
Ranked Page: http://www.freebookspot.es/catalogue.aspx

4
Keyword: freebookspot es
Ranked Page: http://www.freebookspot.es/default.aspx

5
Keyword: free ebook spot es
Ranked Page: http://www.freebookspot.es/default.aspx

Domain Analysis

Value Length
Domain: freebookspot.es 15
Domain Name: freebookspot 12
Extension (TLD): es 2

Page Speed Analysis

Average Load Time: 4.09 seconds
Load Time Comparison: Faster than 13% of sites

PageSpeed Insights

Avg. (All Categories) 43
Performance 22
Accessibility 44
Best Practices 77
SEO 73
PWA 0
0–49 (Fail) 50–89 (Average) 90–100 (Pass)
URL: http://www.freebookspot.club/default.aspx
Updated: 28th December, 2021

0.94 seconds
First Contentful Paint (FCP)
90%
7%
3%

0.00 seconds
First Input Delay (FID)
99%
0%
1%

Simulate loading on desktop
22

Performance

Indicates how well the page is performing and highlights opportunities where performance may be improved for freebookspot.es. This includes details about optimizing page load times which can result in a better user experience.

Metrics

First Contentful Paint — 0.7 s
The time taken for the first image or text on the page to be rendered.

Audits

First Meaningful Paint — 0.7 s
The time taken for the primary content of the page to be rendered.
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https://www.youtube.com/s/player/8da38e9a/www-player-webp.css
h2
9473.4159999643
9564.3039999995
48164
346087
200
text/css
Stylesheet
https://www.youtube.com/s/player/8da38e9a/www-embed-player.vflset/www-embed-player.js
h2
9474.3279999821
9483.2689999603
75620
231751
200
text/javascript
Script
https://www.youtube.com/s/player/8da38e9a/player_ias.vflset/en_US/base.js
h2
9474.4659999851
9567.9200000013
540773
1896063
200
text/javascript
Script
https://www.youtube.com/s/player/8da38e9a/fetch-polyfill.vflset/fetch-polyfill.js
h2
9474.7309999657
9480.2550000022
3631
8543
200
text/javascript
Script
https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2
h2
9476.6999999993
9480.5819999892
11688
10748
200
font/woff2
Font
https://googleads.g.doubleclick.net/pagead/id
http/1.1
10277.059999993
10368.216999981
913
0
302
text/html
https://static.doubleclick.net/instream/ad_status.js
h2
10362.236999965
10367.441999959
865
29
200
text/javascript
Script
https://googleads.g.doubleclick.net/pagead/id?slf_rd=1
h2
10368.49199998
10378.853999951
993
100
200
application/json
XHR
https://www.youtube.com/api/stats/qoe?cpn=AbkF9hNQva4TR794&el=embedded&ns=yt&fexp=23983296%2C24001373%2C24002022%2C24002025%2C24002922%2C24004644%2C24007246%2C24080738%2C24082662%2C24091243%2C24129402%2C24129502%2C24141079%2C24146729%2C24146886&cl=417053486&seq=1&event=streamingstats&docid=DGpXK6iGZOg&cbrand=apple&cbr=Chrome&cbrver=94.0.4590.2&c=WEB_EMBEDDED_PLAYER&cver=1.20211215.00.01&cplayer=UNIPLAYER&cos=Macintosh&cosver=10_15_7&cplatform=DESKTOP&vps=0.000:N,0.001:ER&cmt=0.001:0.000,0.001:0.000&error=0.001:html5.missingapi:0.000:nocodecs.1;a6s.0&vis=0.001:0&bh=0.001:0.000
10670.88999995
11364.215999958
0
0
-1
Ping
https://www.google.com/js/th/X91DEWQIO8k93DoQiyzxLpOdvXUBhBD4UdpkLUEPiVw.js
h2
10864.697999961
10870.655999985
14373
36019
200
text/javascript
Script
https://www.youtube.com/s/player/8da38e9a/player_ias.vflset/en_US/embed.js
h2
11189.302999992
11260.717999947
8374
26320
200
text/javascript
Script
data
11185.864999949
11186.048999953
0
181
200
image/png
Image
https://stream.bantgoau.com/yt/undefined&g_referer=http://www.freebookspot.club
11383.073999954
11471.023999969
0
0
-1
XHR
https://www.youtube.com/api/stats/qoe?cpn=AbkF9hNQva4TR794&el=embedded&ns=yt&fexp=23983296%2C24001373%2C24002022%2C24002025%2C24002922%2C24004644%2C24007246%2C24080738%2C24082662%2C24091243%2C24129402%2C24129502%2C24141079%2C24146729%2C24146886&cl=417053486&seq=2&event=streamingstats&docid=DGpXK6iGZOg&cbrand=apple&cbr=Chrome&cbrver=94.0.4590.2&c=WEB_EMBEDDED_PLAYER&cver=1.20211215.00.01&cplayer=UNIPLAYER&cos=Macintosh&cosver=10_15_7&cplatform=DESKTOP&vps=0.839:ER&bat=0.839:1:1&vis=0.839:3&cmt=0.839:0.000&bh=0.839:0.000
11503.525999957
0
0
-1
Ping
https://nereserv.com/in/dip?site=native-push&wl=0&event_id=771ad63f-ffd4-4ca4-9c97-055ab72b2469&subid=969523392&sid=1583362896&spot_id=10073&created_at=2021-12-28&timezone=-8&ver=5.1.0&is_native=1
18242.880999984
0
0
-1
XHR
https://ntvpinp.com/in/multy?wl=0&event_id=771ad63f-ffd4-4ca4-9c97-055ab72b2469&subid=969523392&sid=1583362896&spot_id=10073&created_at=2021-12-28&timezone=-8&ver=5.1.0&is_native=1&tcid=0&site=native-push&screen_resolution=1350x940&format=default-slide-t_r-body&adblock=0&testab=0&timezone_olson=PST8PDT&blocked_verticals=4%2C5%2C6%2C7%2C8%2C9%2C46%2C47%2C54%2C55%2C61%2C93%2C26%2C34%2C81&after_video=0&tu=1&mm=0&default=1
18243.898999994
0
0
-1
XHR
Network Round Trip Times — 0 ms
High Network RTT (Round Trip Times) can have a large impact on performance. Providing servers geographically closer to the user could improve performance.
Server Backend Latencies — 0 ms
High server latencies indicate the server is overloaded or has a poor backend performance.
Tasks
Below is a list of the top-level main thread tasks that executed during page load.
Start Time (Ms) End Time (Ms)
1412.47
8.264
1421.443
74.396
1496.631
8.155
1504.797
101.119
2195.343
7.531
2214.014
79.817
2313.172
207.381
2525.154
69.497
2596.011
7.178
2603.23
16.246
2619.829
105.971
2728.317
68.617
2805.211
198.143
3099.454
5.619
3107.236
86.914
3197.853
18.284
5395.995
6.214
5908.14
2511.007
8419.242
6.25
8426.626
66.918
8502.488
311.459
8814.536
5.265
9113.809
100.014
9215.083
82.534
9397.748
7.228
9498.758
5.362
9600.177
10.515
9615.141
6.098
9621.603
82.329
10000.331
400.828
10403.039
813.492
11216.627
103.02
11320.925
19.646
11340.585
57.149
11403.306
22.657
11433.163
68.65
11503.917
96.151
Diagnostics
Below is a collection of useful page vitals.
View Data
Metrics
Below is a collection of metrics.
View Data
Script Treemap Data
Provide as required, for treemap app.

Other

Eliminate render-blocking resources
Resources, such as JavaScript and style sheets, can block the first paint of the page. Freebookspot.es should consider delivering critical JavaScript/style sheets (JS/CSS) inline and deferring all non-critical JS/CSS.
Properly size images
Images can slow down the page's load time. Freebookspot.es should consider serving more appropriate-sized images.
Defer offscreen images
Time to Interactive can be slowed down by resources on the page. Freebookspot.es should consider lazy-loading offscreen and hidden images.
Minify CSS
Cascading Style Sheets (CSS) files can contribute to network payload sizes. Freebookspot.es should consider minifying CSS files.
Minify JavaScript
JavaScript (JS) files can contribute to network payload sizes and increase script parse times. Freebookspot.es should consider minifying JS files.
Reduce unused CSS
Dead and/or unused rules in Style Sheets (CSS) can contribute to network payload sizes. Freebookspot.es should consider removing dead rules from style sheets and deferring the loading of CSS not used for above-the-fold content.
Efficiently encode images
Unoptimized images can consume more cellular data than what is necessary.
Serve images in next-gen formats — Potential savings of 10 KiB
Consider JPEG 2000, JPEG XR or WebP image formats which provide better compression than PNG and JPEG.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://lh3.googleusercontent.com/VpAJU4nVm9mzKA2H5GVcUR7qJ8aGQhXPg-KaKDSZQDcdDgIpwGLY0b7HgluLUDFh82djR2OUm9hSwC6r4qt8s4MSJuMoiNZjzn-TWw=w1440-l80-sg-rj-c0xffffff
39552
10037.8
Enable text compression
Text-based resources should be served with compression, such as gzip, deflate or brotli.
Preconnect to required origins
Resource hints, such as 'preconnect' or 'dns-prefetch', may assist in establishing early connections to important third-party origins.
Preload key requests
Key requests can be preloaded by using '<link rel=preload>'. Freebookspot.es should consider using '<link rel=preload>' to prioritize fetching resources that are currently requested later in page load.
Use video formats for animated content — Potential savings of 49 KiB
Large GIFs are inefficient for delivering animated content. It is recommended to use MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF.
URL Resource Size (Bytes) Potential Savings (Bytes)
http://www.freebookspot.club/vernambanner.gif
108726
50014
Remove duplicate modules in JavaScript bundles
Ensure that no duplicate JavaScript modules from bundles exist to reduce bytes consumed by network activity.
Avoid serving legacy JavaScript to modern browsers — Potential savings of 0 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. For bundled JavaScript it is recommended to adopt a modern script deployment strategy using module/nomodule feature detection. This will reduce the amount of code shipped to modern browsers.
URL Potential Savings (Bytes)
https://e605e5c0f1.12a8861c61.com/9ce4c9b608d8976b4170ea32c2d47e56.js
75
https://js.cabnnr.com/banner-admanager/build.m.js
64
https://e605e5c0f1.12a8861c61.com/73798f9af309562639acca78495e672c.js
58
https://e605e5c0f1.12a8861c61.com/fb3d83c6f8d806f623c00581708763c5.js
55
Preload Largest Contentful Paint image
It is recommended to preload images used by LCP elements, to improve LCP time.
Avoids enormous network payloads — Total size was 1,751 KiB
Large network payloads can cost users money and are linked to long load times.
URL Transfer Size (Bytes)
https://stream.bantgoau.com/files/ytls/bundle5.js
630203
https://www.youtube.com/s/player/8da38e9a/player_ias.vflset/en_US/base.js
540773
http://www.freebookspot.club/vernambanner.gif
108976
https://www.youtube.com/s/player/8da38e9a/www-embed-player.vflset/www-embed-player.js
75620
https://stream.bantgoau.com/files/ytls/bundle6.js
55825
https://www.youtube.com/s/player/8da38e9a/www-player-webp.css
48164
https://lh3.googleusercontent.com/VpAJU4nVm9mzKA2H5GVcUR7qJ8aGQhXPg-KaKDSZQDcdDgIpwGLY0b7HgluLUDFh82djR2OUm9hSwC6r4qt8s4MSJuMoiNZjzn-TWw=w1440-l80-sg-rj-c0xffffff
40178
https://e605e5c0f1.12a8861c61.com/9ce4c9b608d8976b4170ea32c2d47e56.js
29282
http://www.freebookspot.club/default.aspx
25882
https://www.youtube.com/embed/DGpXK6iGZOg?enablejsapi=1&origin=*&playsinline=1&autoplay=1&mute=1
25202
Avoids an excessive DOM size — 603 elements
A large DOM (Document Object Model) will increase memory usage, cause longer system calculations as well as costly layout reflows.
Statistic Element Value
Total DOM Elements
603
Maximum DOM Depth
22
Maximum Child Elements
52
Avoid chaining critical requests — 4 chains found
Below is a list of Critical Request Chains, which shows which resources are loaded with a high priority. Freebookspot.es should consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
User Timing marks and measures — 4 user timings
Make use of the User Timing API to measure an app's real-world performance during key user experiences.
Name Type Start Time (Ms) Duration (Ms)
mark_pe
Mark
10179.407
mark_fs
Mark
10577.945
mark_qoes
Mark
10664.725
mark_vc
Mark
11474.877
All text remains visible during webfont loads
Make use of the font-display CSS feature, which will ensure text is user-visible while webfonts are loading.
Keep request counts low and transfer sizes small — 64 requests • 1,751 KiB
It is advised to add a budgets.json file in order to set budgets for the quantity and size of page resources.
Resource Type Requests Transfer Size (Bytes)
Total
64
1792949
Script
14
1414038
Image
14
250504
Document
4
56401
Stylesheet
1
48164
Other
30
12154
Font
1
11688
Media
0
0
Third-party
39
1546872
Largest Contentful Paint element — 1 element found
The element which was identified as the Largest Contentful Paint.
Element
Largest Contentful Paint image was not lazily loaded
Above-the-fold images that are lazily loaded render later in the page lifecycle, which can delay the largest contentful paint.
Avoid long main-thread tasks — 19 long tasks found
Below is a list of the longest tasks on the main thread, which is useful when identifying the worst input delay contributors.
URL Start Time (Ms) Duration (Ms)
https://stream.bantgoau.com/files/ytls/bundle5.js
4552
1256
https://www.youtube.com/s/player/8da38e9a/www-embed-player.vflset/www-embed-player.js
7677
407
https://www.youtube.com/s/player/8da38e9a/player_ias.vflset/en_US/base.js
7276
401
https://stream.bantgoau.com/files/ytls/bundle6.js
5888
311
https://e605e5c0f1.12a8861c61.com/9ce4c9b608d8976b4170ea32c2d47e56.js
2454
198
https://e605e5c0f1.12a8861c61.com/9ce4c9b608d8976b4170ea32c2d47e56.js
2279
106
https://e605e5c0f1.12a8861c61.com/9ce4c9b608d8976b4170ea32c2d47e56.js
2090
104
https://stream.bantgoau.com/files/ytls/bundle6.js
6249
83
https://www.youtube.com/s/player/8da38e9a/www-embed-player.vflset/www-embed-player.js
6668
82
https://e605e5c0f1.12a8861c61.com/9ce4c9b608d8976b4170ea32c2d47e56.js
2010
80
Unattributable
610
74
http://www.freebookspot.club/default.aspx
2194
69
http://www.freebookspot.club/default.aspx
2385
69
https://www.youtube.com/s/player/8da38e9a/www-embed-player.vflset/www-embed-player.js
6770
69
Unattributable
190
67
https://www.youtube.com/s/player/8da38e9a/www-embed-player.vflset/www-embed-player.js
8084
57
https://www.youtube.com/embed/DGpXK6iGZOg?enablejsapi=1&origin=*&playsinline=1&autoplay=1&mute=1
257
52
http://www.freebookspot.club/default.aspx
692
51
https://stream.bantgoau.com/files/ytls/bundle6.js
6199
50
Avoid non-composited animations
It is recommended to avoid non-composited animations which are often janky and increase CLS.

Budgets

Performance budget
It is advised to keep the quantity and size of all network requests under the targets set by the provided performance budget.
Timing budget
It is advised to set a timing budget to monitor the performance of your site.

Other

Reduce unused JavaScript — Potential savings of 826 KiB
It is advised to remove unused JavaScript in order to reduce bytes consumed by network activity.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://stream.bantgoau.com/files/ytls/bundle5.js
630203
391485
https://www.youtube.com/s/player/8da38e9a/player_ias.vflset/en_US/base.js
540773
385044
https://www.youtube.com/s/player/8da38e9a/www-embed-player.vflset/www-embed-player.js
75620
47172
http://www.freebookspot.club/WebResource.axd?d=2Dvc_QXVQBQlQV-SUzh9FDzDP-3Ei0K6cqTIQ4-dv5hLFPawO9OobM9CZGPlDxOv9sce5M7BcEAfD0_jym4NBpIT3OdVLiYlv4o0aPztcVo1&t=636765175280000000
23063
22574
Avoid multiple page redirects — Potential savings of 380 ms
Redirects can cause additional delays before the page can begin loading. Freebookspot.es should avoid multiple or unnecessary page redirects.
URL Time Spent (Ms)
http://freebookspot.es/
190
http://www.freebookspot.es/
190
http://www.freebookspot.club/default.aspx
0

Metrics

Time to Interactive — 7.6 s
The time taken for the page to become fully interactive.
Speed Index — 3.5 s
The time taken for the page contents to be visibly populated.
Total Blocking Time — 2,420 ms
The total blocking time is the sum of all time periods between First Contentful Paint and Time to Interactive (when task length exceeded 50ms).
Largest Contentful Paint — 5.3 s
The timing of the largest text or image that is painted.
Cumulative Layout Shift — 0.26
Cumulative Layout Shift is the measurement of visible elements collective movement within the viewport.
View Data

Audits

Max Potential First Input Delay — 1,260 ms
Users could experience a delay when interacting with the page.

Other

Reduce initial server response time — Root document took 720 ms
It is advised to keep the server response time short for the main document, because all other requests depend on it.
URL Time Spent (Ms)
http://www.freebookspot.club/default.aspx
716.984
Serve static assets with an efficient cache policy — 22 resources found
Freebookspot.es can speed up repeat visits by increasing the cache lifetime, which is essentially how long before a cached copy expires.
URL Cache TTL (Ms) Transfer Size (Bytes)
http://www.freebookspot.club/vernambanner.gif
0
108976
http://www.freebookspot.club/images/cat.gif
0
20656
http://www.freebookspot.club/upload/history/mountain_scouting__a_handbook__6_7_2018_10_37_06_pm.jpg
0
13616
http://www.freebookspot.club/images/animated_merry_christmas_in_english_language-1.gif
0
12885
http://www.freebookspot.club/upload/chemical%20engineering/polymer_solutions__an_introduc_10_25_2018_8_09_45_am.jpg
0
12669
http://www.freebookspot.club/upload/mathematics/nonlinear_reaction-diffusion_s_3_10_2020_4_34_48_pm.jpg
0
10121
http://www.freebookspot.club/upload/biomedical%20engineering/immobilized_biomolecules_in_an_12_31_2016_1_35_56_pm.jpg
0
10009
http://www.freebookspot.club/upload/biology/fractal_symmetry_of_protein_in_2_6_2014_3_06_25_pm.jpg
0
9070
http://www.freebookspot.club/logo.jpg
0
8600
http://www.freebookspot.club/formaticons/epub.gif
0
1417
http://www.freebookspot.club/rss.gif
0
1276
http://www.freebookspot.club/formaticons/djvu.gif
0
532
http://www.freebookspot.club/formaticons/pdf.gif
0
499
https://static.doubleclick.net/instream/ad_status.js
900000
865
https://e605e5c0f1.12a8861c61.com/9ce4c9b608d8976b4170ea32c2d47e56.js
3600000
29282
https://e605e5c0f1.12a8861c61.com/fb3d83c6f8d806f623c00581708763c5.js
3600000
23991
https://e605e5c0f1.12a8861c61.com/73798f9af309562639acca78495e672c.js
3600000
14563
https://js.cabnnr.com/banner-admanager/build.m.js
3600000
9824
https://js.wpadmngr.com/npc/sdk/wp-banners.js
3600000
354
https://stream.bantgoau.com/files/ytls/bundle5.js
14400000
630203
https://stream.bantgoau.com/files/ytls/bundle6.js
14400000
55825
https://lh3.googleusercontent.com/VpAJU4nVm9mzKA2H5GVcUR7qJ8aGQhXPg-KaKDSZQDcdDgIpwGLY0b7HgluLUDFh82djR2OUm9hSwC6r4qt8s4MSJuMoiNZjzn-TWw=w1440-l80-sg-rj-c0xffffff
86400000
40178
Reduce JavaScript execution time — 5.0 s
JavaScript (JS) execution time can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
URL Total CPU Time (Ms) Script Evaluation (Ms) Script Parse (Ms)
https://stream.bantgoau.com/files/ytls/bundle5.js
2614.465
2230.248
180.599
https://www.youtube.com/s/player/8da38e9a/www-embed-player.vflset/www-embed-player.js
1046.767
914.625
74.114
https://e605e5c0f1.12a8861c61.com/9ce4c9b608d8976b4170ea32c2d47e56.js
525.111
325.836
1.239
https://stream.bantgoau.com/files/ytls/bundle6.js
511.32
505.405
2.405
http://www.freebookspot.club/default.aspx
397.684
238.095
2.111
https://www.youtube.com/s/player/8da38e9a/player_ias.vflset/en_US/base.js
306.253
191.638
104.706
Unattributable
237.626
26.065
0.096
https://www.youtube.com/embed/DGpXK6iGZOg?enablejsapi=1&origin=*&playsinline=1&autoplay=1&mute=1
221.071
96.579
4.499
https://e605e5c0f1.12a8861c61.com/73798f9af309562639acca78495e672c.js
92.668
89.547
0.162
Minimize main-thread work — 6.0 s
Main-thread work timing can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
Category Time Spent (Ms)
Script Evaluation
4626.242
Other
424.954
Script Parsing & Compilation
372.313
Style & Layout
298.535
Garbage Collection
196.185
Rendering
39.922
Parse HTML & CSS
25.907
Reduce the impact of third-party code — Third-party code blocked the main thread for 1,060 ms
It is advised to either limit, remove or delay the loading of redundant third-party code which may be significantly impacting load performance.
Third-Party Transfer Size (Bytes) Main-Thread Blocking Time (Ms)
701764
1058.809
56076
0
11688
0
2771
0
Some third-party resources can be lazy loaded with a facade — 1 facade alternative available
Consider replacing third-party embeds with a facade until they are required (use lazy loading).
Product Transfer Size (Bytes) Main-Thread Blocking Time (Ms)
YouTube Embedded Player (Video)
701764
1058.809
Does not use passive listeners to improve scrolling performance
Improve the page's scroll performance by marking touch and wheel event listeners as 'passive'.
Source
Avoid `document.write()`
Avoid or limit the use of external scripts that are dynamically injected via 'document.write()' as users on slow connections will be delayed by tens of seconds.
Source
Image elements do not have explicit `width` and `height`
Reduce layout shifts and improve CLS by setting explicit width and height properties on image elements.
URL
http://www.freebookspot.club/vernambanner.gif
http://www.freebookspot.club/images/Animated_Merry_Christmas_in_English_Language-1.gif
http://www.freebookspot.club/images/cat.gif
http://www.freebookspot.club/rss.gif
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of freebookspot.es on mobile screens.
44

Accessibility

Indicates how accessible the page is and highlights opportunities where the page can be made more accessible to users of freebookspot.es. This includes details about various page attributes that can be optimized.

Navigation

`[accesskey]` values are unique
Access keys assist users with focusing on different parts of the page. Each access key should be unique for proper navigation.
The page contains a heading, skip link, or landmark region
It is advised to provide ways to bypass repetitive content, allowing users to navigate the page efficiently.
`[id]` attributes on active, focusable elements are unique
Ensure all focusable elements have a unique id value to allow them to be visible to users of assistive technologies, like a screen reader.
Heading elements appear in a sequentially-descending order
Properly order all headers and do not skip heading levels to better the navigation and readability for users of assistive technologies, like a screen reader.
No element has a `[tabindex]` value greater than 0
Although technically valid, a tabindex value greater than 0 often creates frustrating experiences for users who rely on assistive technologies.

ARIA

`[aria-*]` attributes match their roles
Avoid mismatching 'aria-*' attributes and their 'role' value, as it invalidates the attribute.
`button`, `link`, and `menuitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-hidden="true"]` is not present on the document `<body>`
If aria-hidden=true is set on the document body, assistive technologies, like a screen reader will work inconsistently.
`[aria-hidden="true"]` elements do not contain focusable descendents
Interactive elements within an aria-hidden=true element are unavailable to users of assistive technologies, like a screen reader.
ARIA input fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when an input field does not have an accessible name specified.
ARIA `meter` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `progressbar` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[role]`s have all required `[aria-*]` attributes
Some ARIA roles have required 'aria-*' attributes, which provide essential information about state and functionality.
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Some ARIA parent roles cannot perform their intended functions if specific child roles are not used.
`[role]`s are contained by their required parent element
Some ARIA child roles cannot perform their intended functions if specific parent roles are not used.
`[role]` values are valid
All ARIA roles require valid values to perform their intended functions.
ARIA toggle fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when a toggle field does not have an accessible name specified.
ARIA `tooltip` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `treeitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-*]` attributes have valid values
ARIA attributes cannot be interpreted with invalid values when used by screen readers and other assistive technologies.
`[aria-*]` attributes are valid and not misspelled
ARIA attributes cannot be interpreted with invalid names when used by screen readers and other assistive technologies.
ARIA IDs are unique
Ensure all ARIA ID values are unique to prevent elements from being overlooked by assistive technologies, like a screen reader.

Names and labels

Buttons have an accessible name
Buttons become unusable as they are announced simply as "button" when the button does not have an accessible name, when used by screen readers and other assistive technologies.
Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
No form fields have multiple labels
Having multiple labels for form fields can be confusing to assistive technologies, like a screen reader.
`<input type="image">` elements have `[alt]` text
Input buttons with alternative text assist screen readers and other assistive technology users to understand its purpose.
`<object>` elements have `[alt]` text
It is advised that alt text is used on '<object>' elements in order to provide meaning to screen reader and other assistive technology users, as these technologies are unable to translate non-text content.

Tables and lists

`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Screen readers and other assistive technologies may produce poor and inaccurate output when definition lists are not properly marked up.
Definition list items are wrapped in `<dl>` elements
In order for screen readers and other assistive technologies to properly announce definition list items ('<dt>' and '<dd>'), they must be wrapped in parent a '<dl>' element.
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Use proper list structure to aid screen readers and other assistive technologies.
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
In order for screen readers to announce list items, ensure that list items ('<li>') are contained within parent '<ul>' or '<ol>' tags.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that '<td>' cells using the headers attribute only refer to other cells in the same table, to improve screen reader user experience.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that table headers refer to some set of cells, to improve screen reader user experience.

Internationalization and localization

`<html>` element has a valid value for its `[lang]` attribute
Specify a valid BCP 47 language in order to help screen readers and other assistive technologies announce text properly.
`[lang]` attributes have a valid value
Specify a valid BCP 47 language on elements in order to help screen readers and other assistive technologies announce text properly.

Best practices

The document does not use `<meta http-equiv="refresh">`
Pages that refresh automatically cause a poor user experience as focus is directed back to the top of the page unexpectedly.
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
For users with low vision who rely on screen magnification, ensure that zooming is not disabled.

Audio and video

`<video>` elements contain a `<track>` element with `[kind="captions"]`
Freebookspot.es may provide assistance to deaf or hearing-impaired users with captions on videos.

Contrast

Background and foreground colors do not have a sufficient contrast ratio.
Many (if not most) users find low-contrast text difficult or impossible to read.
Failing Elements

Names and labels

`<frame>` or `<iframe>` elements do not have a title
Screen reader users and other assistive technology users rely on frame titles to describe the contents of frames.
Failing Elements
Form elements do not have associated labels
Screen readers and other assistive technologies rely on labels to properly announce form controls.
Failing Elements
Links do not have a discernible name
In order to improve the navigation for screen reader and other assistive technology users, use link text that is unique, focusable and discernible.

Internationalization and localization

`<html>` element does not have a `[lang]` attribute
It is advised to provide a lang attribute so that screen readers and other assistive technologies are guaranteed to announce the page's text correctly. When not provided, the user's default language setting will be used which may cause inaccuracies.
Failing Elements

Manual Checks

The page has a logical tab order
The visual layout should be logical in its tab order and users cannot focus elements that are offscreen.
Interactive controls are keyboard focusable
Ensure that custom interactive controls are keyboard focusable and that a focus indicator is displayed.
Interactive elements indicate their purpose and state
Ensure that interactive elements (such as links and buttons) are distinguishable from non-interactive elements and that they indicate their state.
The user's focus is directed to new content added to the page
When new content (such as a dialogue) is added to the page, the user's focus should be directed to it.
User focus is not accidentally trapped in a region
Avoid focus being accidentally trapped when a user tabs in and out of controls or regions on page.
Custom controls have associated labels
Ensure that custom interactive controls have associated labels, which are provided by aria-label and aria-labelledby attributes.
Custom controls have ARIA roles
Ensure that all custom interactive controls have appropriate ARIA roles.
Visual order on the page follows DOM order
Ensure that the DOM order matches with the page's visual order, in order to improve navigation for screen readers and other assistive technologies.
Offscreen content is hidden from assistive technology
Ensure that offscreen content is hidden through the use of "display:none" styling or the aria-hidden attribute.
HTML5 landmark elements are used to improve navigation
Elements such as <main> and <nav> are recommended as they are used by screen readers and other assistive technologies to improve keyboard navigation.
77

Best Practices

Indicates the recommended, best practices currently in place on the page and highlights the best practices that freebookspot.es should incorporate. This includes practices such as protecting pages with HTTPS.

Audits

Avoids requesting the geolocation permission on page load
When requesting a user's location, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids requesting the notification permission on page load
When requesting permission to send notifications, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids front-end JavaScript libraries with known security vulnerabilities
Ensure that the use of third-party scripts is minimal and that only trusted third-party scripts are used as some may contain known security vulnerabilities which may be exploited by attackers.
Ensure CSP is effective against XSS attacks
Significantly reduce the risk of cross-site scripting attacks (XSS) by ensuring you have a strong Content Security Policy (CSP).
Description Directive Severity
No CSP found in enforcement mode
High

Audits

Allows users to paste into password fields
Ensure that password inputs may be pasted into to aid in the user's ability to use password managers and improve security.
Displays images with correct aspect ratio
Ensure that image display dimensions match their natural aspect ratio.
Serves images with appropriate resolution
For maximum image clarity, ensure images have natural dimensions and are proportional to the display size and pixel ratio.
Fonts with `font-display: optional` are preloaded
It is recommended that optional fonts are preloaded.

Audits

Properly defines charset
It is advised to declare a character encoding, optionally via a <meta> tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header.

Audits

Avoids `unload` event listeners
The 'unload' event does not fire reliably, causing issues with browser optimizations such as the Back-Forward Cache. It is recommended that 'pagehide' or 'visibilitychange' events are used instead.
Detected JavaScript libraries
Below is a list of all front-end JavaScript libraries that were detected on the page.
Avoids deprecated APIs
Avoid deprecated APIs which will eventually be removed the browser.
No issues in the `Issues` panel in Chrome Devtools
There may be unresolved issues logged to Chrome Devtools.

Audits

Does not use HTTPS — 27 insecure requests found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL Request Resolution
http://freebookspot.es/
Allowed
http://www.freebookspot.es/
Allowed
http://www.freebookspot.club/default.aspx
Allowed
http://www.freebookspot.club/logo.jpg
Allowed
http://www.freebookspot.club/rss.gif
Allowed
http://www.freebookspot.club/images/Animated_Merry_Christmas_in_English_Language-1.gif
Allowed
http://www.freebookspot.club/images/cat.gif
Allowed
http://www.freebookspot.club/vernambanner.gif
Allowed
http://www.freebookspot.club/upload/Chemical%20Engineering/Polymer_Solutions__An_Introduc_10_25_2018_8_09_45_AM.jpg
Allowed
http://www.freebookspot.club/FormatIcons/pdf.gif
Allowed
http://www.freebookspot.club/upload/History/Mountain_Scouting__A_Handbook__6_7_2018_10_37_06_PM.jpg
Allowed
http://www.freebookspot.club/FormatIcons/epub.gif
Allowed
http://www.freebookspot.club/upload/Biomedical%20Engineering/Immobilized_Biomolecules_in_An_12_31_2016_1_35_56_PM.jpg
Allowed
http://www.freebookspot.club/FormatIcons/djvu.gif
Allowed
http://www.freebookspot.club/upload/Mathematics/Nonlinear_Reaction-Diffusion_S_3_10_2020_4_34_48_PM.jpg
Allowed
http://www.freebookspot.club/upload/Biology/Fractal_Symmetry_of_Protein_In_2_6_2014_3_06_25_PM.jpg
Allowed
http://www.freebookspot.club/WebResource.axd?d=2Dvc_QXVQBQlQV-SUzh9FDzDP-3Ei0K6cqTIQ4-dv5hLFPawO9OobM9CZGPlDxOv9sce5M7BcEAfD0_jym4NBpIT3OdVLiYlv4o0aPztcVo1&t=636765175280000000
Allowed
http://www.freebookspot.club/formaticons/pdf.gif
Allowed
http://www.freebookspot.club/images/animated_merry_christmas_in_english_language-1.gif
Allowed
http://www.freebookspot.club/upload/biology/fractal_symmetry_of_protein_in_2_6_2014_3_06_25_pm.jpg
Allowed
http://www.freebookspot.club/upload/history/mountain_scouting__a_handbook__6_7_2018_10_37_06_pm.jpg
Allowed
http://www.freebookspot.club/formaticons/djvu.gif
Allowed
http://www.freebookspot.club/formaticons/epub.gif
Allowed
http://www.freebookspot.club/upload/mathematics/nonlinear_reaction-diffusion_s_3_10_2020_4_34_48_pm.jpg
Allowed
http://www.freebookspot.club/webresource.axd?d=2Dvc_QXVQBQlQV-SUzh9FDzDP-3Ei0K6cqTIQ4-dv5hLFPawO9OobM9CZGPlDxOv9sce5M7BcEAfD0_jym4NBpIT3OdVLiYlv4o0aPztcVo1&t=636765175280000000
Allowed
http://www.freebookspot.club/upload/biomedical%20engineering/immobilized_biomolecules_in_an_12_31_2016_1_35_56_pm.jpg
Allowed
http://www.freebookspot.club/upload/chemical%20engineering/polymer_solutions__an_introduc_10_25_2018_8_09_45_am.jpg
Allowed

Audits

Page lacks the HTML doctype, thus triggering quirks-mode
Ensure a doctype is specified to prevent the browser from switching to quirks-mode.

Audits

Browser errors were logged to the console
Below is a list of all errors logged to the console, which indicate unresolved problems on the site.
Source Description
Access to XMLHttpRequest at 'https://d11f192391.12a8861c61.com/in/multy?spot_size=1&spot_id=6455&subid=1858676514&label=0&session_id=665ef299-a6ef-4444-9a2b-689c1ac8ba1d&cpa=d23304fb-9e82-4139-9648-ab15f05e4065&ver=6.0.0&adblock=0&ad_type=native&iw=728&ih=90&iframe=0&utm_source=&utm_medium=&utm_campaign=&utm_content=&campaign=' from origin 'http://www.freebookspot.club' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
Access to XMLHttpRequest at 'https://d11f192391.12a8861c61.com/in/multy?spot_size=2&spot_id=6454&subid=846254862&label=0&session_id=bb3313a3-02bb-450b-865b-c6cddcb00445&cpa=4f0cc38f-847e-4af7-bd2f-e516692b84dd&ver=6.0.0&adblock=0&ad_type=native&iw=126&ih=236&iframe=0&utm_source=&utm_medium=&utm_campaign=&utm_content=&campaign=' from origin 'http://www.freebookspot.club' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
Failed to load resource: net::ERR_FAILED
Failed to load resource: net::ERR_FAILED
Missing source maps for large first-party JavaScript
Consider deploying source maps for added benefits such as the ability to debug while in production.
URL Map URL
https://stream.bantgoau.com/files/ytls/bundle5.js
73

SEO

Indicates how well the page is optimized for ranking in search engines and highlights Search Engine Optimization (SEO) opportunities for freebookspot.es. This includes optimizations such as providing meta data.

Content Best Practices

Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
Links have descriptive text
Make use of descriptive link text to assist search engines in understanding the content.
Document has a valid `hreflang`
Search engines can be instructed to list specific versions of a page for a given language or region through the use of hreflang links.
Document has a valid `rel=canonical`
Search engines can be suggested which URL should be shown in search results through the use of canonical links.
Document avoids plugins
The content of plugins cannot be indexed by search engines and many devices either restrict or do not support them.

Crawling and Indexing

Page has successful HTTP status code
Avoid pages with unsuccessful HTTP status codes as they may not be indexed by search engines.
Links are crawlable
Ensure that the 'href' attribute of anchor elements links to the appropriate destination. This allows for more pages of the site to be discovered by search engines.
Page isn’t blocked from indexing
Pages that cannot be crawled by search engines cannot be indexed or included in their search results. Ensure that search engines have permission to crawl all pages that should be indexed.
robots.txt is valid
Malformed robots.txt files prevent crawlers from understanding how a site wants to be crawled or indexed, which can be devastating to SEO.

Mobile Friendly

Document uses legible font sizes
Font sizes of 12px or less are too small to most mobile users without user gestures and further action. Aim for more than 60% of page text to use font sizes greater than 12px.
Tap targets are sized appropriately
Interactive elements (such as buttons and links) should be appropriately spaced, sized and easy enough to select or tap with regard to their surrounding elements.

Mobile Friendly

Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of freebookspot.es on mobile screens.

Content Best Practices

Document does not have a meta description
Meta descriptions may be used by search engines when displaying a link to the page and should concisely summarize the page's content.

Manual Checks

Structured data is valid
Structured data can be validated through the use of the Structured Data Testing Tool and the Structured Data Linter.
0

PWA

Indicates how valid the aspects of a Progressive Web App (PWA) are for the page and highlights opportunities to enable/improve the PWA of freebookspot.es. This includes details about web app manifests.

PWA Optimized

Content is sized correctly for the viewport
Ensure that the width of the app's content matches the width of the viewport, otherwise the app might not be optimized for mobile screens.

Installable

Web app manifest or service worker do not meet the installability requirements — 1 reason
User engagement may be increased by leveraging the browsers ability to proactively prompt users to add the app to their homescreen.
Failure reason
No manifest was fetched

PWA Optimized

Does not register a service worker that controls page and `start_url`
A service worker is used to provide Progressive Web Apps the use of features such as working offline, the ability for the app to be added to the homescreen as well as push notifications.
Is not configured for a custom splash screen
Themed splash screens ensure a high-quality user experience at launch for app users.
View Data
Does not set a theme color for the address bar.
A theme may be applied to the browser address bar, which ideally can be made to match the site.
View Data
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of freebookspot.es on mobile screens.
Does not provide a valid `apple-touch-icon`
iOS users of Progressive Web Apps will benefit from an apple touch icon, which can be defined with 'apple-touch-icon', which must point to a non-transparent 192px (or 180px) square PNG.
Manifest doesn't have a maskable icon
Maskable icons are great to ensure that images fill the entire shape when installing the app on a device.

Manual Checks

Site works cross-browser
Ensure that the Progressive Web App works correctly across every major browser.
Page transitions don't feel like they block on the network
Users perceive apps with responsive, snappy transitions as higher peforming and ensures a great user experience, even on a slow network.
Each page has a URL
Ensure that all pages are deep linkable via URL. They should also be unique for the purpose of shareability on social media.
Avg. (All Categories) 39
Performance 18
Accessibility 44
Best Practices 69
SEO 62
PWA 0
0–49 (Fail) 50–89 (Average) 90–100 (Pass)
URL: http://www.freebookspot.club/default.aspx
Updated: 28th December, 2021

1.21 seconds
First Contentful Paint (FCP)
84%
8%
8%

0.22 seconds
First Input Delay (FID)
47%
45%
8%

Simulate loading on mobile
18

Performance

Indicates how well the page is performing and highlights opportunities where performance may be improved for freebookspot.es. This includes details about optimizing page load times which can result in a better user experience.

Audits

First Meaningful Paint — 2.1 s
The time taken for the primary content of the page to be rendered.
Network Requests
Below is a list of network requests that were made during page load.
URL Protocol Start Time (Ms) End Time (Ms) Transfer Size (Bytes) Resource Size (Bytes) Status Code MIME Type Resource Type
http://freebookspot.es/
http/1.1
0
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275
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301
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http/1.1
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338
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302
text/html
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http/1.1
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200
text/html
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http/1.1
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Image
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http/1.1
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1625.8099999977
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200
image/gif
Image
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http/1.1
1501.5279999934
1632.2200000286
319
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301
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http/1.1
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Image
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http/1.1
1501.8029999919
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108976
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200
image/gif
Image
http://www.freebookspot.club/upload/Chemical%20Engineering/Polymer_Solutions__An_Introduc_10_25_2018_8_09_45_AM.jpg
http/1.1
1502.0420000073
1631.4589999965
346
0
301
text/html
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http/1.1
1502.181000018
1630.5200000061
296
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301
text/html
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http/1.1
1502.3630000069
1631.6660000011
332
0
301
text/html
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http/1.1
1502.5190000306
1632.9840000253
297
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301
text/html
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http/1.1
1502.6530000032
1631.9830000284
348
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301
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http/1.1
1502.7589999954
1632.5599999982
297
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301
text/html
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http/1.1
1502.872000041
1632.7920000185
351
0
301
text/html
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http/1.1
1503.0180000467
1756.1700000078
358
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301
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http/1.1
1501.3920000056
1630.7450000313
424
0
301
text/html
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http/1.1
1631.6620000289
1765.7130000298
499
252
200
image/gif
Image
http://www.freebookspot.club/webresource.axd?d=2Dvc_QXVQBQlQV-SUzh9FDzDP-3Ei0K6cqTIQ4-dv5hLFPawO9OobM9CZGPlDxOv9sce5M7BcEAfD0_jym4NBpIT3OdVLiYlv4o0aPztcVo1&t=636765175280000000
http/1.1
1631.7180000478
1887.3690000037
6360
23063
200
application/x-javascript
Script
http://www.freebookspot.club/upload/chemical%20engineering/polymer_solutions__an_introduc_10_25_2018_8_09_45_am.jpg
http/1.1
1631.9150000345
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12669
12419
200
image/jpeg
Image
http://www.freebookspot.club/upload/history/mountain_scouting__a_handbook__6_7_2018_10_37_06_pm.jpg
http/1.1
1632.1360000293
1760.214000009
13616
13366
200
image/jpeg
Image
http://www.freebookspot.club/upload/biomedical%20engineering/immobilized_biomolecules_in_an_12_31_2016_1_35_56_pm.jpg
http/1.1
1632.4380000005
2010.6690000393
10009
9760
200
image/jpeg
Image
http://www.freebookspot.club/images/animated_merry_christmas_in_english_language-1.gif
http/1.1
1632.7840000158
2275.381000014
12885
12637
200
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Image
http://www.freebookspot.club/formaticons/djvu.gif
http/1.1
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Image
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http/1.1
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http/1.1
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XHR
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h2
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354
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2074.791
7.761
2082.686
37.218
2152.545
11.853
2167.565
7.099
3720.803
5.057
4098.898
495.248
4594.216
6.424
4662.903
60.2
5022.964
27.412
5078.59
5.249
5083.911
5.381
5165.973
5.342
5198.228
6.9
5205.18
12.093
5300.734
76.752
5378.626
90.775
5487.961
9.668
5509.504
105.128
5616
7.908
5626.726
14.106
Diagnostics
Below is a collection of useful page vitals.
View Data
Metrics
Below is a collection of metrics.
View Data
Script Treemap Data
Provide as required, for treemap app.

Other

Eliminate render-blocking resources
Resources, such as JavaScript and style sheets, can block the first paint of the page. Freebookspot.es should consider delivering critical JavaScript/style sheets (JS/CSS) inline and deferring all non-critical JS/CSS.
Properly size images
Images can slow down the page's load time. Freebookspot.es should consider serving more appropriate-sized images.
Defer offscreen images
Time to Interactive can be slowed down by resources on the page. Freebookspot.es should consider lazy-loading offscreen and hidden images.
Minify CSS
Cascading Style Sheets (CSS) files can contribute to network payload sizes. Freebookspot.es should consider minifying CSS files.
Minify JavaScript
JavaScript (JS) files can contribute to network payload sizes and increase script parse times. Freebookspot.es should consider minifying JS files.
Reduce unused CSS
Dead and/or unused rules in Style Sheets (CSS) can contribute to network payload sizes. Freebookspot.es should consider removing dead rules from style sheets and deferring the loading of CSS not used for above-the-fold content.
Efficiently encode images
Unoptimized images can consume more cellular data than what is necessary.
Enable text compression — Potential savings of 2 KiB
Text-based resources should be served with compression, such as gzip, deflate or brotli.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://wpunativesh.com/in/multy?spot_size=1&spot_id=6455&subid=1858676514&label=0&session_id=b9d3dc46-2199-427d-b579-e04cb6a121df&cpa=e7483b6f-09b8-445b-a67e-5048b181d522&ver=6.0.0&adblock=0&ad_type=native&iw=728&ih=90&iframe=0&utm_source=&utm_medium=&utm_campaign=&utm_content=&campaign=
5918
2040
Preconnect to required origins
Resource hints, such as 'preconnect' or 'dns-prefetch', may assist in establishing early connections to important third-party origins.
Initial server response time was short — Root document took 290 ms
It is advised to keep the server response time short for the main document, because all other requests depend on it.
URL Time Spent (Ms)
http://www.freebookspot.club/default.aspx
290.69
Preload key requests
Key requests can be preloaded by using '<link rel=preload>'. Freebookspot.es should consider using '<link rel=preload>' to prioritize fetching resources that are currently requested later in page load.
Remove duplicate modules in JavaScript bundles
Ensure that no duplicate JavaScript modules from bundles exist to reduce bytes consumed by network activity.
Avoid serving legacy JavaScript to modern browsers — Potential savings of 0 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. For bundled JavaScript it is recommended to adopt a modern script deployment strategy using module/nomodule feature detection. This will reduce the amount of code shipped to modern browsers.
URL Potential Savings (Bytes)
https://e605e5c0f1.12a8861c61.com/9ce4c9b608d8976b4170ea32c2d47e56.js
75
https://js.cabnnr.com/banner-admanager/build.m.js
64
https://e605e5c0f1.12a8861c61.com/73798f9af309562639acca78495e672c.js
58
https://e605e5c0f1.12a8861c61.com/fb3d83c6f8d806f623c00581708763c5.js
55
Preload Largest Contentful Paint image
It is recommended to preload images used by LCP elements, to improve LCP time.
Avoids enormous network payloads — Total size was 2,409 KiB
Large network payloads can cost users money and are linked to long load times.
URL Transfer Size (Bytes)
https://lcdn.tsyndicate.com/images/e/7/d8daa74b722b512d85dd4e33c102628737e859.png
667161
https://stream.bantgoau.com/files/ytls/bundle5.js
630195
https://www.youtube.com/s/player/8da38e9a/player_ias.vflset/en_US/base.js
540773
http://www.freebookspot.club/vernambanner.gif
108976
https://www.youtube.com/s/player/8da38e9a/www-embed-player.vflset/www-embed-player.js
75620
https://stream.bantgoau.com/files/ytls/bundle6.js
55829
https://www.youtube.com/s/player/8da38e9a/www-player.css
48163
https://lh3.googleusercontent.com/VpAJU4nVm9mzKA2H5GVcUR7qJ8aGQhXPg-KaKDSZQDcdDgIpwGLY0b7HgluLUDFh82djR2OUm9hSwC6r4qt8s4MSJuMoiNZjzn-TWw=w1440-l80-sg-rj-c0xffffff
40178
https://e605e5c0f1.12a8861c61.com/9ce4c9b608d8976b4170ea32c2d47e56.js
29282
http://www.freebookspot.club/default.aspx
25913
Avoids an excessive DOM size — 609 elements
A large DOM (Document Object Model) will increase memory usage, cause longer system calculations as well as costly layout reflows.
Statistic Element Value
Total DOM Elements
609
Maximum DOM Depth
22
Maximum Child Elements
52
Avoid chaining critical requests — 4 chains found
Below is a list of Critical Request Chains, which shows which resources are loaded with a high priority. Freebookspot.es should consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
User Timing marks and measures — 4 user timings
Make use of the User Timing API to measure an app's real-world performance during key user experiences.
Name Type Start Time (Ms) Duration (Ms)
mark_pe
Mark
5312.333
mark_fs
Mark
5369.951
mark_qoes
Mark
5379.176
mark_vc
Mark
5591.034
All text remains visible during webfont loads
Make use of the font-display CSS feature, which will ensure text is user-visible while webfonts are loading.
Keep request counts low and transfer sizes small — 66 requests • 2,409 KiB
It is advised to add a budgets.json file in order to set budgets for the quantity and size of page resources.
Resource Type Requests Transfer Size (Bytes)
Total
66
2467071
Script
14
1414034
Image
18
917951
Document
4
56439
Stylesheet
1
48163
Other
28
18796
Font
1
11688
Media
0
0
Third-party
41
2221104
Largest Contentful Paint element — 1 element found
The element which was identified as the Largest Contentful Paint.
Element
Largest Contentful Paint image was not lazily loaded
Above-the-fold images that are lazily loaded render later in the page lifecycle, which can delay the largest contentful paint.
Avoid long main-thread tasks — 10 long tasks found
Below is a list of the longest tasks on the main thread, which is useful when identifying the worst input delay contributors.
URL Start Time (Ms) Duration (Ms)
https://stream.bantgoau.com/files/ytls/bundle5.js
16668
990
https://www.youtube.com/s/player/8da38e9a/player_ias.vflset/en_US/base.js
24224
307
https://stream.bantgoau.com/files/ytls/bundle6.js
18258
241
https://www.youtube.com/s/player/8da38e9a/player_ias.vflset/en_US/base.js
25014
210
https://www.youtube.com/s/player/8da38e9a/www-embed-player.vflset/www-embed-player.js
24531
182
https://e605e5c0f1.12a8861c61.com/9ce4c9b608d8976b4170ea32c2d47e56.js
8539
149
https://e605e5c0f1.12a8861c61.com/9ce4c9b608d8976b4170ea32c2d47e56.js
8314
121
http://www.freebookspot.club/default.aspx
8437
102
https://stream.bantgoau.com/files/ytls/bundle6.js
24168
56
https://stream.bantgoau.com/files/ytls/bundle6.js
18499
55
Avoid non-composited animations
It is recommended to avoid non-composited animations which are often janky and increase CLS.

Budgets

Performance budget
It is advised to keep the quantity and size of all network requests under the targets set by the provided performance budget.
Timing budget
It is advised to set a timing budget to monitor the performance of your site.

Metrics

First Contentful Paint — 2.1 s
The time taken for the first image or text on the page to be rendered.

Other

Serve images in next-gen formats — Potential savings of 595 KiB
Consider JPEG 2000, JPEG XR or WebP image formats which provide better compression than PNG and JPEG.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://lcdn.tsyndicate.com/images/e/7/d8daa74b722b512d85dd4e33c102628737e859.png
667161
599361.25
https://lh3.googleusercontent.com/VpAJU4nVm9mzKA2H5GVcUR7qJ8aGQhXPg-KaKDSZQDcdDgIpwGLY0b7HgluLUDFh82djR2OUm9hSwC6r4qt8s4MSJuMoiNZjzn-TWw=w1440-l80-sg-rj-c0xffffff
39552
10037.8
Use video formats for animated content — Potential savings of 49 KiB
Large GIFs are inefficient for delivering animated content. It is recommended to use MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF.
URL Resource Size (Bytes) Potential Savings (Bytes)
http://www.freebookspot.club/vernambanner.gif
108726
50014
First Contentful Paint (3G) — 4061 ms
The time taken for the first image or text on the page to be rendered while on a 3G network.

Metrics

Time to Interactive — 22.5 s
The time taken for the page to become fully interactive.
Speed Index — 13.4 s
The time taken for the page contents to be visibly populated.
Total Blocking Time — 1,640 ms
The total blocking time is the sum of all time periods between First Contentful Paint and Time to Interactive (when task length exceeded 50ms).
Largest Contentful Paint — 16.7 s
The timing of the largest text or image that is painted.
Cumulative Layout Shift — 0.292
Cumulative Layout Shift is the measurement of visible elements collective movement within the viewport.
View Data

Audits

Max Potential First Input Delay — 990 ms
Users could experience a delay when interacting with the page.

Other

Reduce unused JavaScript — Potential savings of 824 KiB
It is advised to remove unused JavaScript in order to reduce bytes consumed by network activity.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://stream.bantgoau.com/files/ytls/bundle5.js
630195
391480
https://www.youtube.com/s/player/8da38e9a/player_ias.vflset/en_US/base.js
540773
385157
https://www.youtube.com/s/player/8da38e9a/www-embed-player.vflset/www-embed-player.js
75620
44969
http://www.freebookspot.club/WebResource.axd?d=2Dvc_QXVQBQlQV-SUzh9FDzDP-3Ei0K6cqTIQ4-dv5hLFPawO9OobM9CZGPlDxOv9sce5M7BcEAfD0_jym4NBpIT3OdVLiYlv4o0aPztcVo1&t=636765175280000000
23063
22574
Avoid multiple page redirects — Potential savings of 1,260 ms
Redirects can cause additional delays before the page can begin loading. Freebookspot.es should avoid multiple or unnecessary page redirects.
URL Time Spent (Ms)
http://freebookspot.es/
630
http://www.freebookspot.es/
630
http://www.freebookspot.club/default.aspx
0
Serve static assets with an efficient cache policy — 24 resources found
Freebookspot.es can speed up repeat visits by increasing the cache lifetime, which is essentially how long before a cached copy expires.
URL Cache TTL (Ms) Transfer Size (Bytes)
https://lcdn.tsyndicate.com/images/e/7/d8daa74b722b512d85dd4e33c102628737e859.png
0
667161
http://www.freebookspot.club/vernambanner.gif
0
108976
http://www.freebookspot.club/images/cat.gif
0
20656
http://www.freebookspot.club/upload/history/mountain_scouting__a_handbook__6_7_2018_10_37_06_pm.jpg
0
13616
http://www.freebookspot.club/images/animated_merry_christmas_in_english_language-1.gif
0
12885
http://www.freebookspot.club/upload/chemical%20engineering/polymer_solutions__an_introduc_10_25_2018_8_09_45_am.jpg
0
12669
http://www.freebookspot.club/upload/mathematics/nonlinear_reaction-diffusion_s_3_10_2020_4_34_48_pm.jpg
0
10121
http://www.freebookspot.club/upload/biomedical%20engineering/immobilized_biomolecules_in_an_12_31_2016_1_35_56_pm.jpg
0
10009
http://www.freebookspot.club/upload/biology/fractal_symmetry_of_protein_in_2_6_2014_3_06_25_pm.jpg
0
9070
http://www.freebookspot.club/logo.jpg
0
8600
http://www.freebookspot.club/formaticons/epub.gif
0
1417
http://www.freebookspot.club/rss.gif
0
1276
http://www.freebookspot.club/formaticons/djvu.gif
0
532
http://www.freebookspot.club/formaticons/pdf.gif
0
499
https://pxl.tsyndicate.com/api/v1/p/p.gif?p=e0SEGUNHhI4YLETQOXNQxJgcZMjYiFimRYwxBFvQCDOjRgsxBGW0IIOjjBkzN2DYMIPDBg0RCse4mXMwhgycCsPUGeNwxowbNXLgtGEDR0wRYtKQ8QlUKFGjSMOQsWOTRo2fCuHUEWNTBo2iOuHAOSjDBoycIubAMaiDBgwYMW7koKGwDB46X9a2FfGyRg2kY9qQ1eGRrowaOsmYOWhDhkIxbtyUpYEjx-XHItq4aahDRo4aMGZo3dxZLlwbCuvIYVP2xg0ZN2wkFFFHhkM0dOjAmaPjxQs6b960STNmjosxw1-UcfPiThkxwd80J1OGTpg0bF4kr_4ix9waOJbDeQEDuPDmNC7neAFHe40XYV5MQRJjxlUYOWDgkBHjB5yleijCiS-qmOKLIYJAMAkiWqDPPvz04y-GL5wIg4407CgDQTbemKOMIJzgog64zJqDKwDJ6OGtuOaiYcQSbThRjBRl6MFAGNGSEcWlZujhK8swy9GsMdAIQ7Iy2OiBCjnCQKm4Oa6TY44hbRiDjeLW-CLAIdKQQo0nrpBiDSfUYGMNLaaAAY8sZDBCDSaokAKNJvSogo4s2niziTRiWOOJI6xoQws1xrjDiTayoKHMKKLAA4sispijjSLOOCMOImAIgoohhGhBiCpoSAMKGbAIooozlrhDCiOuoCOKL-qoQgwimEAiCaTIGM4hOk4ci408zEJLBuR2lSkMObxS6di2tqAhhi60kqMnHXKwCIbERHgDjmkPsrYFbCFjTAcYXIhrBhuyHQOONr7gltpyVxpNBDnsIGwGGOxat42D4s1BtTrScIiMZ0sag4wccDADLjFkgIGGMhKG6zKTxmiJhtjKQCoNwvq6wQWHa3DBvo9vugGpOsJwqIk39MiODflEhgEEFJhIw4068NgBhCDcIEOON5YC4WMYdmY5OBCOoJmGFFLg-dcyroBuiTToeAGrj9GleQkkqGiCCRZAwHKNMpIuY4w13nB6CDSAbqMM72gw14Wr9AMZBJaVYqPsKZxENo2rgXJBa7bdtsjmM3JD4406PgyMWhEMROoNOb4YA3LJFWID8gFzLcOOL-RI0irHVtoPLoWqA51byv6l94zJCkt4XtW_ECNZhFITofY23mCqsMpuSB3oshTy8CAa5vXwCw1xTx6t1D-3Sdo38MgD-dTziJ0OOeooQ6E56nUI6OuCk6OFOtyouoUaYnCBjDFOTh3y6r6AX_6F-M39LYpUuoE2OrThNvtbyXdg8L_91GUgZAhdGdbyhQvZ5CUF9B9twhCdgZ1kJ2wwiFY21y-ZsAt0TcLQG6b3ENPEoA8KCAg%3D&r=1&s=99d1a09044aeee4ce0b2a8633416aa6049000afbe706818a0440c5c110cff5ee1640697071&w=t
0
194
https://static.doubleclick.net/instream/ad_status.js
900000
865
https://e605e5c0f1.12a8861c61.com/9ce4c9b608d8976b4170ea32c2d47e56.js
3600000
29282
https://e605e5c0f1.12a8861c61.com/fb3d83c6f8d806f623c00581708763c5.js
3600000
23991
https://e605e5c0f1.12a8861c61.com/73798f9af309562639acca78495e672c.js
3600000
14563
https://js.cabnnr.com/banner-admanager/build.m.js
3600000
9824
https://js.wpadmngr.com/npc/sdk/wp-banners.js
3600000
354
https://stream.bantgoau.com/files/ytls/bundle5.js
14400000
630195
https://stream.bantgoau.com/files/ytls/bundle6.js
14400000
55829
https://lh3.googleusercontent.com/VpAJU4nVm9mzKA2H5GVcUR7qJ8aGQhXPg-KaKDSZQDcdDgIpwGLY0b7HgluLUDFh82djR2OUm9hSwC6r4qt8s4MSJuMoiNZjzn-TWw=w1440-l80-sg-rj-c0xffffff
86400000
40178
Reduce JavaScript execution time — 3.9 s
JavaScript (JS) execution time can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
URL Total CPU Time (Ms) Script Evaluation (Ms) Script Parse (Ms)
https://stream.bantgoau.com/files/ytls/bundle5.js
2105.128
1826.772
58.852
https://www.youtube.com/s/player/8da38e9a/player_ias.vflset/en_US/base.js
713.95599999999
566.05199999999
60.432
http://www.freebookspot.club/default.aspx
475.136
173.288
7.06
https://www.youtube.com/s/player/8da38e9a/www-embed-player.vflset/www-embed-player.js
441.452
422.956
7.168
https://e605e5c0f1.12a8861c61.com/9ce4c9b608d8976b4170ea32c2d47e56.js
430.372
275.496
4.728
Unattributable
384.48
62.356
0.516
https://stream.bantgoau.com/files/ytls/bundle6.js
317.74
301.94
4.352
https://www.youtube.com/embed/deRTURtK_DY?enablejsapi=1&origin=*&playsinline=1&autoplay=1&mute=1
150.888
62.748
13.124
https://e605e5c0f1.12a8861c61.com/73798f9af309562639acca78495e672c.js
64.928
48.876
0.716
Minimize main-thread work — 5.2 s
Main-thread work timing can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
Category Time Spent (Ms)
Script Evaluation
3785.992
Other
433.628
Style & Layout
329.432
Garbage Collection
276.444
Script Parsing & Compilation
166.892
Rendering
129.392
Parse HTML & CSS
81.492
Reduce the impact of third-party code — Third-party code blocked the main thread for 680 ms
It is advised to either limit, remove or delay the loading of redundant third-party code which may be significantly impacting load performance.
Third-Party Transfer Size (Bytes) Main-Thread Blocking Time (Ms)
701807
684.28
667355
0
56053
0
11688
0
2771
0
Some third-party resources can be lazy loaded with a facade — 1 facade alternative available
Consider replacing third-party embeds with a facade until they are required (use lazy loading).
Product Transfer Size (Bytes) Main-Thread Blocking Time (Ms)
YouTube Embedded Player (Video)
701807
684.28
Does not use passive listeners to improve scrolling performance
Improve the page's scroll performance by marking touch and wheel event listeners as 'passive'.
Source
Avoid `document.write()`
Avoid or limit the use of external scripts that are dynamically injected via 'document.write()' as users on slow connections will be delayed by tens of seconds.
Source
Image elements do not have explicit `width` and `height`
Reduce layout shifts and improve CLS by setting explicit width and height properties on image elements.
URL
http://www.freebookspot.club/vernambanner.gif
http://www.freebookspot.club/images/Animated_Merry_Christmas_in_English_Language-1.gif
http://www.freebookspot.club/images/cat.gif
http://www.freebookspot.club/rss.gif
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of freebookspot.es on mobile screens.
44

Accessibility

Indicates how accessible the page is and highlights opportunities where the page can be made more accessible to users of freebookspot.es. This includes details about various page attributes that can be optimized.

Navigation

`[accesskey]` values are unique
Access keys assist users with focusing on different parts of the page. Each access key should be unique for proper navigation.
The page contains a heading, skip link, or landmark region
It is advised to provide ways to bypass repetitive content, allowing users to navigate the page efficiently.
`[id]` attributes on active, focusable elements are unique
Ensure all focusable elements have a unique id value to allow them to be visible to users of assistive technologies, like a screen reader.
Heading elements appear in a sequentially-descending order
Properly order all headers and do not skip heading levels to better the navigation and readability for users of assistive technologies, like a screen reader.
No element has a `[tabindex]` value greater than 0
Although technically valid, a tabindex value greater than 0 often creates frustrating experiences for users who rely on assistive technologies.

ARIA

`[aria-*]` attributes match their roles
Avoid mismatching 'aria-*' attributes and their 'role' value, as it invalidates the attribute.
`button`, `link`, and `menuitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-hidden="true"]` is not present on the document `<body>`
If aria-hidden=true is set on the document body, assistive technologies, like a screen reader will work inconsistently.
`[aria-hidden="true"]` elements do not contain focusable descendents
Interactive elements within an aria-hidden=true element are unavailable to users of assistive technologies, like a screen reader.
ARIA input fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when an input field does not have an accessible name specified.
ARIA `meter` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `progressbar` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[role]`s have all required `[aria-*]` attributes
Some ARIA roles have required 'aria-*' attributes, which provide essential information about state and functionality.
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Some ARIA parent roles cannot perform their intended functions if specific child roles are not used.
`[role]`s are contained by their required parent element
Some ARIA child roles cannot perform their intended functions if specific parent roles are not used.
`[role]` values are valid
All ARIA roles require valid values to perform their intended functions.
ARIA toggle fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when a toggle field does not have an accessible name specified.
ARIA `tooltip` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `treeitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-*]` attributes have valid values
ARIA attributes cannot be interpreted with invalid values when used by screen readers and other assistive technologies.
`[aria-*]` attributes are valid and not misspelled
ARIA attributes cannot be interpreted with invalid names when used by screen readers and other assistive technologies.
ARIA IDs are unique
Ensure all ARIA ID values are unique to prevent elements from being overlooked by assistive technologies, like a screen reader.

Names and labels

Buttons have an accessible name
Buttons become unusable as they are announced simply as "button" when the button does not have an accessible name, when used by screen readers and other assistive technologies.
Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
No form fields have multiple labels
Having multiple labels for form fields can be confusing to assistive technologies, like a screen reader.
`<input type="image">` elements have `[alt]` text
Input buttons with alternative text assist screen readers and other assistive technology users to understand its purpose.
`<object>` elements have `[alt]` text
It is advised that alt text is used on '<object>' elements in order to provide meaning to screen reader and other assistive technology users, as these technologies are unable to translate non-text content.

Tables and lists

`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Screen readers and other assistive technologies may produce poor and inaccurate output when definition lists are not properly marked up.
Definition list items are wrapped in `<dl>` elements
In order for screen readers and other assistive technologies to properly announce definition list items ('<dt>' and '<dd>'), they must be wrapped in parent a '<dl>' element.
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Use proper list structure to aid screen readers and other assistive technologies.
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
In order for screen readers to announce list items, ensure that list items ('<li>') are contained within parent '<ul>' or '<ol>' tags.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that '<td>' cells using the headers attribute only refer to other cells in the same table, to improve screen reader user experience.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that table headers refer to some set of cells, to improve screen reader user experience.

Internationalization and localization

`<html>` element has a valid value for its `[lang]` attribute
Specify a valid BCP 47 language in order to help screen readers and other assistive technologies announce text properly.
`[lang]` attributes have a valid value
Specify a valid BCP 47 language on elements in order to help screen readers and other assistive technologies announce text properly.

Best practices

The document does not use `<meta http-equiv="refresh">`
Pages that refresh automatically cause a poor user experience as focus is directed back to the top of the page unexpectedly.
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
For users with low vision who rely on screen magnification, ensure that zooming is not disabled.

Audio and video

`<video>` elements contain a `<track>` element with `[kind="captions"]`
Freebookspot.es may provide assistance to deaf or hearing-impaired users with captions on videos.

Contrast

Background and foreground colors do not have a sufficient contrast ratio.
Many (if not most) users find low-contrast text difficult or impossible to read.
Failing Elements

Names and labels

`<frame>` or `<iframe>` elements do not have a title
Screen reader users and other assistive technology users rely on frame titles to describe the contents of frames.
Failing Elements
Form elements do not have associated labels
Screen readers and other assistive technologies rely on labels to properly announce form controls.
Failing Elements
Links do not have a discernible name
In order to improve the navigation for screen reader and other assistive technology users, use link text that is unique, focusable and discernible.

Internationalization and localization

`<html>` element does not have a `[lang]` attribute
It is advised to provide a lang attribute so that screen readers and other assistive technologies are guaranteed to announce the page's text correctly. When not provided, the user's default language setting will be used which may cause inaccuracies.
Failing Elements

Manual Checks

The page has a logical tab order
The visual layout should be logical in its tab order and users cannot focus elements that are offscreen.
Interactive controls are keyboard focusable
Ensure that custom interactive controls are keyboard focusable and that a focus indicator is displayed.
Interactive elements indicate their purpose and state
Ensure that interactive elements (such as links and buttons) are distinguishable from non-interactive elements and that they indicate their state.
The user's focus is directed to new content added to the page
When new content (such as a dialogue) is added to the page, the user's focus should be directed to it.
User focus is not accidentally trapped in a region
Avoid focus being accidentally trapped when a user tabs in and out of controls or regions on page.
Custom controls have associated labels
Ensure that custom interactive controls have associated labels, which are provided by aria-label and aria-labelledby attributes.
Custom controls have ARIA roles
Ensure that all custom interactive controls have appropriate ARIA roles.
Visual order on the page follows DOM order
Ensure that the DOM order matches with the page's visual order, in order to improve navigation for screen readers and other assistive technologies.
Offscreen content is hidden from assistive technology
Ensure that offscreen content is hidden through the use of "display:none" styling or the aria-hidden attribute.
HTML5 landmark elements are used to improve navigation
Elements such as <main> and <nav> are recommended as they are used by screen readers and other assistive technologies to improve keyboard navigation.
69

Best Practices

Indicates the recommended, best practices currently in place on the page and highlights the best practices that freebookspot.es should incorporate. This includes practices such as protecting pages with HTTPS.

Audits

Avoids requesting the geolocation permission on page load
When requesting a user's location, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids requesting the notification permission on page load
When requesting permission to send notifications, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids front-end JavaScript libraries with known security vulnerabilities
Ensure that the use of third-party scripts is minimal and that only trusted third-party scripts are used as some may contain known security vulnerabilities which may be exploited by attackers.
Ensure CSP is effective against XSS attacks
Significantly reduce the risk of cross-site scripting attacks (XSS) by ensuring you have a strong Content Security Policy (CSP).
Description Directive Severity
No CSP found in enforcement mode
High

Audits

Allows users to paste into password fields
Ensure that password inputs may be pasted into to aid in the user's ability to use password managers and improve security.
Displays images with correct aspect ratio
Ensure that image display dimensions match their natural aspect ratio.
Fonts with `font-display: optional` are preloaded
It is recommended that optional fonts are preloaded.

Audits

Properly defines charset
It is advised to declare a character encoding, optionally via a <meta> tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header.

Audits

Avoids `unload` event listeners
The 'unload' event does not fire reliably, causing issues with browser optimizations such as the Back-Forward Cache. It is recommended that 'pagehide' or 'visibilitychange' events are used instead.
Detected JavaScript libraries
Below is a list of all front-end JavaScript libraries that were detected on the page.
Avoids deprecated APIs
Avoid deprecated APIs which will eventually be removed the browser.
No issues in the `Issues` panel in Chrome Devtools
There may be unresolved issues logged to Chrome Devtools.

Audits

Does not use HTTPS — 27 insecure requests found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL Request Resolution
http://freebookspot.es/
Allowed
http://www.freebookspot.es/
Allowed
http://www.freebookspot.club/default.aspx
Allowed
http://www.freebookspot.club/logo.jpg
Allowed
http://www.freebookspot.club/rss.gif
Allowed
http://www.freebookspot.club/images/Animated_Merry_Christmas_in_English_Language-1.gif
Allowed
http://www.freebookspot.club/images/cat.gif
Allowed
http://www.freebookspot.club/vernambanner.gif
Allowed
http://www.freebookspot.club/upload/Chemical%20Engineering/Polymer_Solutions__An_Introduc_10_25_2018_8_09_45_AM.jpg
Allowed
http://www.freebookspot.club/FormatIcons/pdf.gif
Allowed
http://www.freebookspot.club/upload/History/Mountain_Scouting__A_Handbook__6_7_2018_10_37_06_PM.jpg
Allowed
http://www.freebookspot.club/FormatIcons/epub.gif
Allowed
http://www.freebookspot.club/upload/Biomedical%20Engineering/Immobilized_Biomolecules_in_An_12_31_2016_1_35_56_PM.jpg
Allowed
http://www.freebookspot.club/FormatIcons/djvu.gif
Allowed
http://www.freebookspot.club/upload/Mathematics/Nonlinear_Reaction-Diffusion_S_3_10_2020_4_34_48_PM.jpg
Allowed
http://www.freebookspot.club/upload/Biology/Fractal_Symmetry_of_Protein_In_2_6_2014_3_06_25_PM.jpg
Allowed
http://www.freebookspot.club/WebResource.axd?d=2Dvc_QXVQBQlQV-SUzh9FDzDP-3Ei0K6cqTIQ4-dv5hLFPawO9OobM9CZGPlDxOv9sce5M7BcEAfD0_jym4NBpIT3OdVLiYlv4o0aPztcVo1&t=636765175280000000
Allowed
http://www.freebookspot.club/formaticons/pdf.gif
Allowed
http://www.freebookspot.club/webresource.axd?d=2Dvc_QXVQBQlQV-SUzh9FDzDP-3Ei0K6cqTIQ4-dv5hLFPawO9OobM9CZGPlDxOv9sce5M7BcEAfD0_jym4NBpIT3OdVLiYlv4o0aPztcVo1&t=636765175280000000
Allowed
http://www.freebookspot.club/upload/chemical%20engineering/polymer_solutions__an_introduc_10_25_2018_8_09_45_am.jpg
Allowed
http://www.freebookspot.club/upload/history/mountain_scouting__a_handbook__6_7_2018_10_37_06_pm.jpg
Allowed
http://www.freebookspot.club/upload/biomedical%20engineering/immobilized_biomolecules_in_an_12_31_2016_1_35_56_pm.jpg
Allowed
http://www.freebookspot.club/images/animated_merry_christmas_in_english_language-1.gif
Allowed
http://www.freebookspot.club/formaticons/djvu.gif
Allowed
http://www.freebookspot.club/upload/mathematics/nonlinear_reaction-diffusion_s_3_10_2020_4_34_48_pm.jpg
Allowed
http://www.freebookspot.club/formaticons/epub.gif
Allowed
http://www.freebookspot.club/upload/biology/fractal_symmetry_of_protein_in_2_6_2014_3_06_25_pm.jpg
Allowed

Audits

Serves images with low resolution
For maximum image clarity, ensure images have natural dimensions and are proportional to the display size and pixel ratio.
URL Displayed size Actual size Expected size
http://www.freebookspot.club/vernambanner.gif
728 x 90
728 x 90
1456 x 180
http://www.freebookspot.club/upload/Biomedical%20Engineering/Immobilized_Biomolecules_in_An_12_31_2016_1_35_56_PM.jpg
150 x 243
150 x 243
300 x 486
http://www.freebookspot.club/upload/Chemical%20Engineering/Polymer_Solutions__An_Introduc_10_25_2018_8_09_45_AM.jpg
150 x 238
150 x 238
300 x 476
http://www.freebookspot.club/upload/History/Mountain_Scouting__A_Handbook__6_7_2018_10_37_06_PM.jpg
150 x 235
150 x 235
300 x 470
http://www.freebookspot.club/upload/Mathematics/Nonlinear_Reaction-Diffusion_S_3_10_2020_4_34_48_PM.jpg
150 x 227
150 x 227
300 x 454
http://www.freebookspot.club/upload/Biology/Fractal_Symmetry_of_Protein_In_2_6_2014_3_06_25_PM.jpg
150 x 226
150 x 226
300 x 452
http://www.freebookspot.club/images/Animated_Merry_Christmas_in_English_Language-1.gif
426 x 52
426 x 52
852 x 104
http://www.freebookspot.club/logo.jpg
320 x 68
320 x 67
640 x 136
http://www.freebookspot.club/images/cat.gif
126 x 160
126 x 160
252 x 320
http://www.freebookspot.club/rss.gif
36 x 14
36 x 14
72 x 28
http://www.freebookspot.club/FormatIcons/djvu.gif
16 x 24
16 x 24
32 x 48
http://www.freebookspot.club/FormatIcons/epub.gif
16 x 24
16 x 24
32 x 48
http://www.freebookspot.club/FormatIcons/pdf.gif
16 x 24
16 x 24
32 x 48

Audits

Page lacks the HTML doctype, thus triggering quirks-mode
Ensure a doctype is specified to prevent the browser from switching to quirks-mode.

Audits

Browser errors were logged to the console
Below is a list of all errors logged to the console, which indicate unresolved problems on the site.
Source Description
Access to XMLHttpRequest at 'https://d11f192391.12a8861c61.com/in/multy?spot_size=1&spot_id=6455&subid=1858676514&label=0&session_id=b9d3dc46-2199-427d-b579-e04cb6a121df&cpa=e7483b6f-09b8-445b-a67e-5048b181d522&ver=6.0.0&adblock=0&ad_type=native&iw=728&ih=90&iframe=0&utm_source=&utm_medium=&utm_campaign=&utm_content=&campaign=' from origin 'http://www.freebookspot.club' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
Access to XMLHttpRequest at 'https://d11f192391.12a8861c61.com/in/multy?spot_size=2&spot_id=6454&subid=846254862&label=0&session_id=cd75b131-dcb6-4317-8915-42b7c7bac602&cpa=d2707b6f-41bd-40e9-aef9-15bd07ed70ce&ver=6.0.0&adblock=0&ad_type=native&iw=126&ih=236&iframe=0&utm_source=&utm_medium=&utm_campaign=&utm_content=&campaign=' from origin 'http://www.freebookspot.club' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
Failed to load resource: net::ERR_FAILED
Failed to load resource: net::ERR_FAILED
Failed to load resource: the server responded with a status of 404 (Not Found)
Missing source maps for large first-party JavaScript
Consider deploying source maps for added benefits such as the ability to debug while in production.
URL Map URL
https://stream.bantgoau.com/files/ytls/bundle5.js
62

SEO

Indicates how well the page is optimized for ranking in search engines and highlights Search Engine Optimization (SEO) opportunities for freebookspot.es. This includes optimizations such as providing meta data.

Content Best Practices

Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
Links have descriptive text
Make use of descriptive link text to assist search engines in understanding the content.
Document has a valid `hreflang`
Search engines can be instructed to list specific versions of a page for a given language or region through the use of hreflang links.
Document has a valid `rel=canonical`
Search engines can be suggested which URL should be shown in search results through the use of canonical links.
Document avoids plugins
The content of plugins cannot be indexed by search engines and many devices either restrict or do not support them.

Crawling and Indexing

Page has successful HTTP status code
Avoid pages with unsuccessful HTTP status codes as they may not be indexed by search engines.
Links are crawlable
Ensure that the 'href' attribute of anchor elements links to the appropriate destination. This allows for more pages of the site to be discovered by search engines.
Page isn’t blocked from indexing
Pages that cannot be crawled by search engines cannot be indexed or included in their search results. Ensure that search engines have permission to crawl all pages that should be indexed.
robots.txt is valid
Malformed robots.txt files prevent crawlers from understanding how a site wants to be crawled or indexed, which can be devastating to SEO.

Mobile Friendly

Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of freebookspot.es on mobile screens.
Document doesn't use legible font sizes
Font sizes of 12px or less are too small to most mobile users without user gestures and further action. Aim for more than 60% of page text to use font sizes greater than 12px.
Tap targets are not sized appropriately
Interactive elements (such as buttons and links) should be appropriately spaced, sized and easy enough to select or tap with regard to their surrounding elements.

Content Best Practices

Document does not have a meta description
Meta descriptions may be used by search engines when displaying a link to the page and should concisely summarize the page's content.

Manual Checks

Structured data is valid
Structured data can be validated through the use of the Structured Data Testing Tool and the Structured Data Linter.
0

PWA

Indicates how valid the aspects of a Progressive Web App (PWA) are for the page and highlights opportunities to enable/improve the PWA of freebookspot.es. This includes details about web app manifests.

Installable

Web app manifest or service worker do not meet the installability requirements — 1 reason
User engagement may be increased by leveraging the browsers ability to proactively prompt users to add the app to their homescreen.
Failure reason
No manifest was fetched

PWA Optimized

Does not register a service worker that controls page and `start_url`
A service worker is used to provide Progressive Web Apps the use of features such as working offline, the ability for the app to be added to the homescreen as well as push notifications.
Is not configured for a custom splash screen
Themed splash screens ensure a high-quality user experience at launch for app users.
View Data
Does not set a theme color for the address bar.
A theme may be applied to the browser address bar, which ideally can be made to match the site.
View Data
Content is not sized correctly for the viewport
Ensure that the width of the app's content matches the width of the viewport, otherwise the app might not be optimized for mobile screens.
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of freebookspot.es on mobile screens.
Does not provide a valid `apple-touch-icon`
iOS users of Progressive Web Apps will benefit from an apple touch icon, which can be defined with 'apple-touch-icon', which must point to a non-transparent 192px (or 180px) square PNG.
Manifest doesn't have a maskable icon
Maskable icons are great to ensure that images fill the entire shape when installing the app on a device.

Manual Checks

Site works cross-browser
Ensure that the Progressive Web App works correctly across every major browser.
Page transitions don't feel like they block on the network
Users perceive apps with responsive, snappy transitions as higher peforming and ensures a great user experience, even on a slow network.
Each page has a URL
Ensure that all pages are deep linkable via URL. They should also be unique for the purpose of shareability on social media.
Hosting

Server Location

Server IP Address: 94.250.251.232
Continent: Europe
Country: Russia
Russia Flag
Region:
City:
Longitude: 37.6068
Latitude: 55.7386
Currencies: RUB
Languages: Russian

Web Hosting Provider

Name IP Address
TheFirst-RU customers (WebDC Msk)
Registration

Domain Registrant

Private Registration: No
Name:
Organization:
Country:
City:
State:
Post Code:
Email:
Phone:
Note: Registration information is derived from various sources and may be inaccurate.

Domain Registrar

Security

Visitor Safety

Mature Content: Not Likely
McAfee WebAdvisor Rating: Unknown
WOT Rating:
WOT Trustworthiness: 89/100
WOT Child Safety: 88/100
Note: Safety information is not guaranteed.

SSL/TLS Certificate

Technical

DNS Lookup

A Records

Host IP Address Class TTL
freebookspot.es. 94.250.251.232 IN 3600

NS Records

Host Nameserver Class TTL
freebookspot.es. ns3.afraid.org. IN 3600
freebookspot.es. ns2.afraid.org. IN 3600
freebookspot.es. ns1.afraid.org. IN 3600
freebookspot.es. ns4.afraid.org. IN 3600

MX Records

Priority Host Server Class TTL
10 freebookspot.es. mail.freebookspot.es. IN 3600

SOA Records

Domain Name Primary NS Responsible Email TTL
freebookspot.es. ns1.afraid.org. dnsadmin.afraid.org. 3600

HTTP Response Headers

HTTP-Code: HTTP/1.1 200 OK
Cache-Control: private
Content-Type: text/html; charset=utf-8
Server: Microsoft-IIS/7.5
Date: 28th December, 2021
Content-Length: 69850
X-AspNet-Version: 4.0.30319
X-Powered-By: ASP.NET

Whois Lookup

Created:
Changed:
Expires:
Status:
Nameservers: ns1.afraid.org
ns2.afraid.org
ns3.afraid.org
ns4.afraid.org
Full Whois:
Conditions of use for the whois service via port 43 for .es domains

Access will only be enabled for IP addresses authorised by Red.es. A maximum of one IP address per
user/organisation is permitted.

Red.es accepts no responsibility whatsoever for the availability of access to WHOIS, which may be
suspended at any time and without prior warning at the discretion of the public entity.

The service will be limited to the data established by Red.es.

The user promises to make use of the service and to carry out any action derived from the aforesaid
use in accordance with current applicable regulations, in particular with legislation on “.es” domain
names and personal data protection.

In particular, the user undertakes not to use the service to carry out abusive or speculative domain
name registrations, pursuant to section 5 of the Sixth Additional Provision of Law 34/2002, of 11 July,
on Services of the Information Society and Electronic Commerce. Likewise, the User undertakes not to
use the service to obtain data, the possession of which may contravene the provisions of Organic Law
15/1999, of 13 December, on Personal Data Protection, and its Regulations, or in Law 34/2002, of 11
July, on Services of the Information Society and Electronic Commerce.

Failure to comply with these conditions will result in the immediate withdrawal of the service and any
registered domain name which breaches said conditions may be officially cancelled by Red.es.
-------------------------------------------------------------------------------------------------------

The IP address used to perform the query is not authorised or has exceeded the established limit for
queries.To request access to the service,complete the form located at https://sede.red.gob.es/sede/whois,
where you may also consult the service conditions.

-------------------------------------------------------------------------------------------------------
More information on each domain may be consulted at www.dominios.es.

Nameservers

Name IP Address
ns1.afraid.org 69.65.50.194
ns2.afraid.org 69.65.50.223
ns3.afraid.org 67.220.81.190
ns4.afraid.org 70.39.97.253
Related

Subdomains

Similar Sites

Organic Search (US) Competitors

Backlink Competitors

Sites with the same domain name

Domain Valuation Snoop Score
0/5
$4,065 USD 2/5
0/5
$285 USD
$830 USD

Sites hosted on the same IP address