Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 86

    SEO

    Google-friendlier than
    61% of websites

webglfundamentals.org

WebGL Fundamentals

Page Load Speed

586 ms in total

First Response

51 ms

Resources Loaded

365 ms

Page Rendered

170 ms

webglfundamentals.org screenshot

About Website

Welcome to webglfundamentals.org homepage info - get ready to check WebGL Fundamentals best content for Italy right away, or after learning these important things about webglfundamentals.org

Modern WebGL tutorials that teach WebGL from basic principles

Visit webglfundamentals.org

Key Findings

We analyzed Webglfundamentals.org page load time and found that the first response time was 51 ms and then it took 535 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.

Performance Metrics

webglfundamentals.org performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value1.3 s

100/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.7 s

97/100

10%

Network Requests Diagram

webglfundamentals.org

51 ms

base.css

16 ms

lesson.css

15 ms

index.css

29 ms

webgl-utils.js

39 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 80% of them (12 requests) were addressed to the original Webglfundamentals.org, 13% (2 requests) were made to Google-analytics.com and 7% (1 request) were made to Cdn.webglstats.com. The less responsive or slowest element that took the longest time to load (312 ms) relates to the external source Cdn.webglstats.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 27.6 kB (51%)

Content Size

53.9 kB

After Optimization

26.3 kB

In fact, the total size of Webglfundamentals.org main page is 53.9 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 22.1 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 9.5 kB

  • Original 11.8 kB
  • After minification 7.6 kB
  • After compression 2.3 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 4.2 kB, which is 36% 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 9.5 kB or 81% of the original size.

JavaScript Optimization

-0%

Potential reduce by 63 B

  • Original 20.0 kB
  • After minification 20.0 kB
  • After compression 20.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-82%

Potential reduce by 18.0 kB

  • Original 22.1 kB
  • After minification 16.0 kB
  • After compression 4.1 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. Webglfundamentals.org needs all CSS files to be minified and compressed as it can save up to 18.0 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (54%)

Requests Now

13

After Optimization

6

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of WebGL Fundamentals. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

webglfundamentals.org accessibility score

90

Accessibility Issues

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

High

<frame> or <iframe> elements do not have a title

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

webglfundamentals.org best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

webglfundamentals.org SEO score

86

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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Webglfundamentals.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 Webglfundamentals.org 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 WebGL Fundamentals. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: