583 ms in total
80 ms
217 ms
286 ms
Click here to check amazing Computing Book content for India. Otherwise, check out these important facts you probably never knew about computingbook.org
Visit computingbook.orgWe analyzed Computingbook.org page load time and found that the first response time was 80 ms and then it took 503 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.
computingbook.org performance score
name
value
score
weighting
Value1.2 s
99/100
10%
Value5.0 s
26/100
25%
Value1.2 s
100/100
10%
Value0 ms
100/100
30%
Value0.044
99/100
15%
Value2.3 s
99/100
10%
80 ms
28 ms
35 ms
39 ms
6 ms
Our browser made a total of 14 requests to load all elements on the main page. We found that 29% of them (4 requests) were addressed to the original Computingbook.org, 29% (4 requests) were made to Fonts.gstatic.com and 14% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (112 ms) belongs to the original domain Computingbook.org.
Page size can be reduced by 44.8 kB (8%)
592.8 kB
548.0 kB
In fact, the total size of Computingbook.org main page is 592.8 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. 25% of websites need less resources to load. Images take 556.1 kB which makes up the majority of the site volume.
Potential reduce by 5.7 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 5.7 kB or 64% of the original size.
Potential reduce by 30.3 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. Computing Book images are well optimized though.
Potential reduce by 34 B
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. This website has mostly compressed JavaScripts.
Potential reduce by 8.8 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. Computingbook.org needs all CSS files to be minified and compressed as it can save up to 8.8 kB or 83% of the original size.
We found no issues to fix!
8
8
The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Computing Book. According to our analytics all requests are already optimized.
computingbook.org
80 ms
css
28 ms
style.css
35 ms
css
39 ms
ir
6 ms
cover-800x450.jpg
112 ms
88x31.png
32 ms
ga.js
12 ms
bg-button.gif
71 ms
__utm.gif
17 ms
cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf
5 ms
k3k702ZOKiLJc3WVjuplzInF5uFdDttMLvmWuJdhhgs.ttf
8 ms
WZDISdyil4HsmirlOdBRFInF5uFdDttMLvmWuJdhhgs.ttf
15 ms
xjAJXh38I15wypJXxuGMBp0EAVxt0G0biEntp43Qt6E.ttf
10 ms
computingbook.org accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
computingbook.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Browser errors were logged to the console
computingbook.org SEO score
EN
N/A
N/A
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Computingbook.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Computingbook.org main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
computingbook.org
Open Graph description is not detected on the main page of Computing Book. 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: