Tools & Wizards About Us

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

abc-du-web.com

B.A.BA, ABC de la Création d'un Site Web conformes aux Normes du W3C, fonctionnel, animé,

Page Load Speed

3.3 sec in total

First Response

293 ms

Resources Loaded

2.9 sec

Page Rendered

116 ms

About Website

Click here to check amazing ABC Du Web content. Otherwise, check out these important facts you probably never knew about abc-du-web.com

Toute la différence entre être sur le Web et être VISIBLE, trouvé sur la toile ? Car un Site n'en vaut pas un autre, ou tout savoir sur l'Art du RATAGE d'un Site quelconque...

Visit abc-du-web.com

Key Findings

We analyzed Abc-du-web.com page load time and found that the first response time was 293 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

abc-du-web.com performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

7/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value480 ms

59/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.4 s

15/100

10%

Network Requests Diagram

abc-du-web.com

293 ms

core.css

85 ms

core.js

168 ms

index.css

170 ms

BaseRulls.min.js

171 ms

Our browser made a total of 141 requests to load all elements on the main page. We found that 62% of them (88 requests) were addressed to the original Abc-du-web.com, 5% (7 requests) were made to Apis.google.com and 4% (5 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (619 ms) relates to the external source Developers.google.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 137.5 kB (26%)

Content Size

521.0 kB

After Optimization

383.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Abc-du-web.com main page is 521.0 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. 55% of websites need less resources to load. Javascripts take 374.7 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 72.4 kB

  • Original 92.1 kB
  • After minification 92.0 kB
  • After compression 19.8 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 72.4 kB or 79% of the original size.

Image Optimization

-28%

Potential reduce by 13.7 kB

  • Original 48.7 kB
  • After minification 35.0 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, ABC Du Web needs image optimization as it can save up to 13.7 kB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-14%

Potential reduce by 51.3 kB

  • Original 374.7 kB
  • After minification 374.2 kB
  • After compression 323.5 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 51.3 kB or 14% of the original size.

CSS Optimization

-3%

Potential reduce by 163 B

  • Original 5.5 kB
  • After minification 5.5 kB
  • After compression 5.3 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. Abc-du-web.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 84 (65%)

Requests Now

129

After Optimization

45

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 129 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ABC Du Web. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 60 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

abc-du-web.com accessibility score

83

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

Document doesn't have a <title> element

High

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

High

<object> elements do not have alternate text

Best Practices

abc-du-web.com best practices score

58

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

abc-du-web.com SEO score

77

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 <title> element

High

Document uses plugins

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

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    FR

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Abc-du-web.com 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 Abc-du-web.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of ABC Du Web. 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: