Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

cgdcx.udemy.com

Online Courses - Learn Anything, On Your Schedule | Udemy

Page Load Speed

2.6 sec in total

First Response

193 ms

Resources Loaded

1.7 sec

Page Rendered

675 ms

cgdcx.udemy.com screenshot

About Website

Welcome to cgdcx.udemy.com homepage info - get ready to check Cgdcx Udemy best content for India right away, or after learning these important things about cgdcx.udemy.com

Udemy is an online learning and teaching marketplace with over 155,000 courses and 40 million students. Learn programming, marketing, data science and more.

Visit cgdcx.udemy.com

Key Findings

We analyzed Cgdcx.udemy.com page load time and found that the first response time was 193 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

cgdcx.udemy.com performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

34/100

25%

SI (Speed Index)

Value25.3 s

0/100

10%

TBT (Total Blocking Time)

Value37,020 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.139

79/100

15%

TTI (Time to Interactive)

Value46.3 s

0/100

10%

Network Requests Diagram

cgdcx.udemy.com

193 ms

www.udemy.com

966 ms

OtAutoBlock.js

154 ms

otSDKStub.js

82 ms

entry-udlite-baseline.eb793a5eb8f7e795796c.css

121 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Cgdcx.udemy.com, 70% (14 requests) were made to Udemy.com and 15% (3 requests) were made to Cdn.cookielaw.org. The less responsive or slowest element that took the longest time to load (966 ms) relates to the external source Udemy.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 236.4 kB (78%)

Content Size

301.7 kB

After Optimization

65.2 kB

In fact, the total size of Cgdcx.udemy.com main page is 301.7 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. 65% of websites need less resources to load. HTML takes 274.5 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 236.4 kB

  • Original 274.5 kB
  • After minification 274.4 kB
  • After compression 38.0 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 236.4 kB or 86% of the original size.

JavaScript Optimization

-0%

Potential reduce by 26 B

  • Original 6.8 kB
  • After minification 6.8 kB
  • After compression 6.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 20.4 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.

Requests Breakdown

Number of requests can be reduced by 12 (71%)

Requests Now

17

After Optimization

5

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cgdcx Udemy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cgdcx.udemy.com accessibility score

96

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

Best Practices

cgdcx.udemy.com best practices score

83

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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

cgdcx.udemy.com SEO score

82

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

Document doesn't have a valid hreflang

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 Cgdcx.udemy.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 Cgdcx.udemy.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 Cgdcx Udemy. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: