3.6 sec in total
771 ms
2.5 sec
287 ms
Click here to check amazing Clbooks content. Otherwise, check out these important facts you probably never knew about clbooks.com
Computer Literacy Bookstore | Computer Bookstore
Visit clbooks.comWe analyzed Clbooks.com page load time and found that the first response time was 771 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
clbooks.com performance score
name
value
score
weighting
Value2.1 s
81/100
10%
Value2.1 s
96/100
25%
Value2.1 s
99/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value2.1 s
99/100
10%
771 ms
121 ms
120 ms
121 ms
122 ms
Our browser made a total of 33 requests to load all elements on the main page. We found that 85% of them (28 requests) were addressed to the original Clbooks.com, 6% (2 requests) were made to S10.histats.com and 3% (1 request) were made to S4.histats.com. The less responsive or slowest element that took the longest time to load (771 ms) belongs to the original domain Clbooks.com.
Page size can be reduced by 232.0 kB (54%)
426.1 kB
194.1 kB
In fact, the total size of Clbooks.com main page is 426.1 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. 25% of websites need less resources to load. Javascripts take 185.8 kB which makes up the majority of the site volume.
Potential reduce by 26.5 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 26.5 kB or 73% of the original size.
Potential reduce by 15.5 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, Clbooks needs image optimization as it can save up to 15.5 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 114.0 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 114.0 kB or 61% of the original size.
Potential reduce by 76.0 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. Clbooks.com needs all CSS files to be minified and compressed as it can save up to 76.0 kB or 80% of the original size.
Number of requests can be reduced by 23 (74%)
31
8
The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Clbooks. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
www.clbooks.com
771 ms
wp-emoji-release.min.js
121 ms
styles.css
120 ms
title-content.css
121 ms
slidebox-light.css
122 ms
bootstrap.css
122 ms
forms.min.css
178 ms
menus.css
181 ms
style.css
181 ms
jquery.js
300 ms
jquery-migrate.min.js
185 ms
slidebox.js
196 ms
plugin.css
160 ms
core.min.js
161 ms
widget.min.js
162 ms
tabs.min.js
166 ms
jquery.form.min.js
179 ms
scripts.js
219 ms
bootstrap.min.js
273 ms
st-bootstrap.js
272 ms
celestial-navigation.js
273 ms
wp-embed.min.js
272 ms
socialbar-bg.png
61 ms
showcase-banner.jpg
248 ms
showcase-curve.png
61 ms
list-styles.png
119 ms
js15.js
176 ms
ubuntu-regular-webfont.woff
121 ms
1781534.php
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css
41 ms
close.gif
66 ms
cc_107.js
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131 ms
clbooks.com accessibility score
clbooks.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
clbooks.com SEO score
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Clbooks.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 Clbooks.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.
clbooks.com
Open Graph description is not detected on the main page of Clbooks. 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: