3 sec in total
768 ms
1.8 sec
428 ms
Welcome to librebooks.org homepage info - get ready to check Librebooks best content for Algeria right away, or after learning these important things about librebooks.org
موقع كتب عربية حرة يهدف لإثراء المحتوى العربي وإتاحة المعرفة ودعم مبادرات مثل Access to Knowledge Creative Commons Open Access والمساعدة في إنشاء محتوى حر.
Visit librebooks.orgWe analyzed Librebooks.org page load time and found that the first response time was 768 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
librebooks.org performance score
name
value
score
weighting
Value2.0 s
84/100
10%
Value5.6 s
18/100
25%
Value4.2 s
77/100
10%
Value190 ms
91/100
30%
Value0.051
99/100
15%
Value10.5 s
23/100
10%
768 ms
45 ms
27 ms
43 ms
41 ms
Our browser made a total of 63 requests to load all elements on the main page. We found that 67% of them (42 requests) were addressed to the original Librebooks.org, 5% (3 requests) were made to Intensedebate.com and 5% (3 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (768 ms) belongs to the original domain Librebooks.org.
Page size can be reduced by 389.3 kB (45%)
870.1 kB
480.8 kB
In fact, the total size of Librebooks.org main page is 870.1 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. Images take 410.1 kB which makes up the majority of the site volume.
Potential reduce by 45.8 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 45.8 kB or 80% of the original size.
Potential reduce by 53.8 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, Librebooks needs image optimization as it can save up to 53.8 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 194.0 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 194.0 kB or 68% of the original size.
Potential reduce by 95.7 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Librebooks.org needs all CSS files to be minified and compressed as it can save up to 95.7 kB or 82% of the original size.
Number of requests can be reduced by 34 (59%)
58
24
The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Librebooks. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
librebooks.org
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librebooks.org accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Form elements do not have associated labels
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
librebooks.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
librebooks.org SEO score
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
AR
AR
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Librebooks.org can be misinterpreted by Google and other search engines. Our service has detected that Arabic is used on the page, and it matches the claimed language. Our system also found out that Librebooks.org main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
librebooks.org
Open Graph data is detected on the main page of Librebooks. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: