Report Summary

  • 97

    Performance

    Renders faster than
    95% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

html5-tutorial.fr

HTML5 Tutorial | Tutoriaux sur les nouvelles technologies web

Page Load Speed

2.8 sec in total

First Response

727 ms

Resources Loaded

996 ms

Page Rendered

1.1 sec

html5-tutorial.fr screenshot

About Website

Welcome to html5-tutorial.fr homepage info - get ready to check HTML5 Tutorial best content for United States right away, or after learning these important things about html5-tutorial.fr

Visit html5-tutorial.fr

Key Findings

We analyzed Html5-tutorial.fr page load time and found that the first response time was 727 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

html5-tutorial.fr performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

89/100

25%

SI (Speed Index)

Value1.9 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.3 s

99/100

10%

Network Requests Diagram

html5-tutorial.fr

727 ms

css

25 ms

style.css

166 ms

nodejs.png

340 ms

node-1.gif

315 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that 45% of them (5 requests) were addressed to the original Html5-tutorial.fr, 36% (4 requests) were made to Fonts.gstatic.com and 9% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (727 ms) belongs to the original domain Html5-tutorial.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 60.1 kB (66%)

Content Size

91.5 kB

After Optimization

31.4 kB

In fact, the total size of Html5-tutorial.fr main page is 91.5 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. 20% of websites need less resources to load. CSS take 35.5 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 22.2 kB

  • Original 31.9 kB
  • After minification 30.7 kB
  • After compression 9.6 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 22.2 kB or 70% of the original size.

Image Optimization

-32%

Potential reduce by 7.4 kB

  • Original 23.3 kB
  • After minification 15.9 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, HTML5 Tutorial needs image optimization as it can save up to 7.4 kB or 32% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 588 B

  • Original 863 B
  • After minification 598 B
  • After compression 275 B

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 588 B or 68% of the original size.

CSS Optimization

-84%

Potential reduce by 29.9 kB

  • Original 35.5 kB
  • After minification 26.9 kB
  • After compression 5.6 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. Html5-tutorial.fr needs all CSS files to be minified and compressed as it can save up to 29.9 kB or 84% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of HTML5 Tutorial. According to our analytics all requests are already optimized.

Accessibility Review

html5-tutorial.fr accessibility score

84

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

html5-tutorial.fr 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

html5-tutorial.fr SEO score

81

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

Image elements do not have [alt] attributes

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

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Html5-tutorial.fr can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and it matches the claimed language. Our system also found out that Html5-tutorial.fr 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 description is not detected on the main page of HTML5 Tutorial. 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: