Tools & Wizards About Us

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

yvad-online.net

Création et référencement de sites Internet Strasbourg

Page Load Speed

1.7 sec in total

First Response

395 ms

Resources Loaded

1.1 sec

Page Rendered

207 ms

About Website

Welcome to yvad-online.net homepage info - get ready to check Yvad Online best content right away, or after learning these important things about yvad-online.net

Création et référencement de sites Internet vitrinne et e-commerce. Accompagnement à la mise en place de votre stratégie web.

Visit yvad-online.net

Key Findings

We analyzed Yvad-online.net page load time and found that the first response time was 395 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

yvad-online.net performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

51/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

4/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value1,010 ms

27/100

30%

CLS (Cumulative Layout Shift)

Value0.329

35/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

yvad-online.net

395 ms

jquery.min.js

54 ms

css

46 ms

reset.css

124 ms

styles.css

233 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that 58% of them (7 requests) were addressed to the original Yvad-online.net, 17% (2 requests) were made to Google-analytics.com and 8% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (415 ms) belongs to the original domain Yvad-online.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 23.3 kB (32%)

Content Size

73.5 kB

After Optimization

50.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Yvad-online.net main page is 73.5 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. 15% of websites need less resources to load. Images take 28.3 kB which makes up the majority of the site volume.

HTML Optimization

-57%

Potential reduce by 3.4 kB

  • Original 5.9 kB
  • After minification 5.9 kB
  • After compression 2.5 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 3.4 kB or 57% of the original size.

Image Optimization

-3%

Potential reduce by 792 B

  • Original 28.3 kB
  • After minification 27.5 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. Yvad Online images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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

-87%

Potential reduce by 19.1 kB

  • Original 22.1 kB
  • After minification 18.4 kB
  • After compression 3.0 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. Yvad-online.net needs all CSS files to be minified and compressed as it can save up to 19.1 kB or 87% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

10

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yvad Online. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

yvad-online.net accessibility score

67

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

Buttons do not have an accessible name

High

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

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

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

Heading elements are not in a sequentially-descending order

Best Practices

yvad-online.net best practices score

75

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

SEO Factors

yvad-online.net SEO score

83

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

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

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Yvad-online.net can be misinterpreted by Google and other search engines. Our service has detected that French 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 Yvad-online.net 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 Yvad Online. 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: