34.1 sec in total
645 ms
22.4 sec
11 sec
Click here to check amazing Free Computer Books content for India. Otherwise, check out these important facts you probably never knew about freecomputerbooks.com
Links to Free Programming, Computer, Mathematics, Technical eBooks and Lecture Notes all over the World, Directory of online free programming, computer, engineering, mathematics, technical books, eboo...
Visit freecomputerbooks.comWe analyzed Freecomputerbooks.com page load time and found that the first response time was 645 ms and then it took 33.4 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
freecomputerbooks.com performance score
name
value
score
weighting
Value3.4 s
36/100
10%
Value5.7 s
16/100
25%
Value6.9 s
34/100
10%
Value2,720 ms
3/100
30%
Value0.002
100/100
15%
Value13.3 s
12/100
10%
645 ms
143 ms
321 ms
261 ms
226 ms
Our browser made a total of 91 requests to load all elements on the main page. We found that 31% of them (28 requests) were addressed to the original Freecomputerbooks.com, 13% (12 requests) were made to Contextual.media.net and 11% (10 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (5.8 sec) relates to the external source Tpc.googlesyndication.com.
Page size can be reduced by 1.0 MB (57%)
1.8 MB
752.4 kB
In fact, the total size of Freecomputerbooks.com main page is 1.8 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 65% of websites need less resources to load. Javascripts take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 31.8 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 31.8 kB or 78% of the original size.
Potential reduce by 49.0 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, Free Computer Books needs image optimization as it can save up to 49.0 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 906.1 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 906.1 kB or 64% of the original size.
Potential reduce by 23.4 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. Freecomputerbooks.com needs all CSS files to be minified and compressed as it can save up to 23.4 kB or 87% of the original size.
Number of requests can be reduced by 48 (54%)
89
41
The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Free Computer Books. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and as a result speed up the page load time.
freecomputerbooks.com
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freecomputerbooks.com accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
freecomputerbooks.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
freecomputerbooks.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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 doesn't use legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Freecomputerbooks.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Freecomputerbooks.com 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.
freecomputerbooks.com
Open Graph description is not detected on the main page of Free Computer Books. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: