Report Summary

  • 59

    Performance

    Renders faster than
    74% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

cdnjs.com

cdnjs - The #1 free and open source CDN built to make life easier for developers

Page Load Speed

653 ms in total

First Response

112 ms

Resources Loaded

445 ms

Page Rendered

96 ms

cdnjs.com screenshot

About Website

Visit cdnjs.com now to see the best up-to-date CDN Js content for India and also check out these interesting facts you probably never knew about cdnjs.com

Simple. Fast. Reliable. Content delivery at its finest. cdnjs is a free and open-source CDN service trusted by over 12.5% of all websites, serving over 200 billion requests each month, powered by Clou...

Visit cdnjs.com

Key Findings

We analyzed Cdnjs.com page load time and found that the first response time was 112 ms and then it took 541 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

cdnjs.com performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value650 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.4 s

72/100

10%

Network Requests Diagram

cdnjs.com

112 ms

cloudflare.min.js

80 ms

bootstrap.min.css

45 ms

font-awesome.min.css

72 ms

theme.css

36 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 26% of them (6 requests) were addressed to the original Cdnjs.com, 52% (12 requests) were made to Cdnjs.cloudflare.com and 9% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (112 ms) belongs to the original domain Cdnjs.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 139.5 kB (79%)

Content Size

176.3 kB

After Optimization

36.9 kB

In fact, the total size of Cdnjs.com main page is 176.3 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. CSS take 147.1 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 14.1 kB

  • Original 20.9 kB
  • After minification 20.9 kB
  • After compression 6.8 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 14.1 kB or 68% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 598 B
  • After minification 598 B

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. CDN Js images are well optimized though.

JavaScript Optimization

-52%

Potential reduce by 4.0 kB

  • Original 7.7 kB
  • After minification 7.7 kB
  • After compression 3.7 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 4.0 kB or 52% of the original size.

CSS Optimization

-82%

Potential reduce by 121.3 kB

  • Original 147.1 kB
  • After minification 146.1 kB
  • After compression 25.8 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. Cdnjs.com needs all CSS files to be minified and compressed as it can save up to 121.3 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (83%)

Requests Now

18

After Optimization

3

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CDN Js. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cdnjs.com accessibility score

92

Accessibility Issues

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

High

[aria-*] attributes do not match their roles

Best Practices

cdnjs.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cdnjs.com SEO score

89

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cdnjs.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 Cdnjs.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.

Social Sharing Optimization

Open Graph data is detected on the main page of CDN Js. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: