7.3 sec in total
1.3 sec
5.1 sec
836 ms
Click here to check amazing Course Books content. Otherwise, check out these important facts you probably never knew about coursebooks.co.in
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Visit coursebooks.co.inWe analyzed Coursebooks.co.in page load time and found that the first response time was 1.3 sec and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
coursebooks.co.in performance score
name
value
score
weighting
Value10.4 s
0/100
10%
Value11.2 s
0/100
25%
Value13.5 s
2/100
10%
Value110 ms
98/100
30%
Value0.039
100/100
15%
Value15.2 s
7/100
10%
1345 ms
2018 ms
164 ms
235 ms
314 ms
Our browser made a total of 74 requests to load all elements on the main page. We found that 61% of them (45 requests) were addressed to the original Coursebooks.co.in, 9% (7 requests) were made to Yceml.net and 8% (6 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Coursebooks.co.in.
Page size can be reduced by 1.0 MB (76%)
1.3 MB
324.3 kB
In fact, the total size of Coursebooks.co.in main page is 1.3 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. 40% of websites need less resources to load. Javascripts take 813.1 kB which makes up the majority of the site volume.
Potential reduce by 33.9 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. This page needs HTML code to be minified as it can gain 6.8 kB, which is 16% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 33.9 kB or 80% of the original size.
Potential reduce by 7.5 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, Course Books needs image optimization as it can save up to 7.5 kB or 46% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 569.6 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 569.6 kB or 70% of the original size.
Potential reduce by 403.8 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. Coursebooks.co.in needs all CSS files to be minified and compressed as it can save up to 403.8 kB or 86% of the original size.
Number of requests can be reduced by 41 (72%)
57
16
The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Course 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 16 to 1 for JavaScripts and from 27 to 1 for CSS and as a result speed up the page load time.
coursebooks.co.in
1345 ms
coursebooks.co.in
2018 ms
base.css
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ckeditor.css
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prettyPhoto.css
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superfish.css
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justifiedGallery.min.css
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coursebooks.co.in 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.
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
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
Image elements do not have [alt] attributes
Links do not have a discernible name
coursebooks.co.in 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
Page has valid source maps
coursebooks.co.in SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
Tap targets are not sized appropriately
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Coursebooks.co.in 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 Coursebooks.co.in 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.
coursebooks.co.in
Open Graph data is detected on the main page of Course Books. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: