Tools & Wizards About Us
esam.metzmetropole.fr screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    57% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

esam.metzmetropole.fr

Agence Web - Création de site internet Metz | IS Webdesign

Page Load Speed

1.7 sec in total

First Response

252 ms

Resources Loaded

1.4 sec

Page Rendered

133 ms

esam.metzmetropole.fr screenshot

About Website

Click here to check amazing Esam Metz Metropole content for France. Otherwise, check out these important facts you probably never knew about esam.metzmetropole.fr

Agence web Metz, IS Webdesign vous accompagne dans votre stratégie digitale. Création de site internet, e-commerce, application mobile, hébergement.

Visit esam.metzmetropole.fr

Key Findings

We analyzed Esam.metzmetropole.fr page load time and found that the first response time was 252 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

esam.metzmetropole.fr performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

36/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value6,070 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value13.5 s

11/100

10%

Network Requests Diagram

esam.metzmetropole.fr

252 ms

esalorraine.fr

342 ms

style-home.css

539 ms

jquery-1.11.1.min.js

389 ms

raphael-min.js

349 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Esam.metzmetropole.fr, 84% (16 requests) were made to Esalorraine.fr and 11% (2 requests) were made to . The less responsive or slowest element that took the longest time to load (539 ms) relates to the external source Esalorraine.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 206.8 kB (52%)

Content Size

395.6 kB

After Optimization

188.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Esam.metzmetropole.fr main page is 395.6 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. Javascripts take 187.3 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 6.7 kB

  • Original 10.1 kB
  • After minification 10.0 kB
  • After compression 3.4 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 6.7 kB or 66% of the original size.

Image Optimization

-92%

Potential reduce by 38.3 kB

  • Original 41.8 kB
  • After minification 3.5 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. Obviously, Esam Metz Metropole needs image optimization as it can save up to 38.3 kB or 92% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 122.2 kB

  • Original 187.3 kB
  • After minification 187.2 kB
  • After compression 65.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 122.2 kB or 65% of the original size.

CSS Optimization

-25%

Potential reduce by 39.6 kB

  • Original 156.5 kB
  • After minification 155.9 kB
  • After compression 117.0 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. Esam.metzmetropole.fr needs all CSS files to be minified and compressed as it can save up to 39.6 kB or 25% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

15

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Esam Metz Metropole. According to our analytics all requests are already optimized.

Network Requests Diagram

esam.metzmetropole.fr

esam.metzmetropole.fr

252 ms

esalorraine.fr

esalorraine.fr

342 ms

style-home.css

style-home.css

539 ms

jquery-1.11.1.min.js

jquery-1.11.1.min.js

389 ms

raphael-min.js

raphael-min.js

349 ms

cefedem.png

cefedem.png

102 ms

cefedem-hover.png

cefedem-hover.png

101 ms

metz.png

metz.png

102 ms

metz-hover.png

metz-hover.png

104 ms

epinal.png

epinal.png

172 ms

epinal-hover.png

epinal-hover.png

177 ms

accueil-cefedem.png

accueil-cefedem.png

195 ms

accueil-cefedem-hover.png

accueil-cefedem-hover.png

192 ms

accueil-metz.png

accueil-metz.png

194 ms

accueil-metz-hover.png

accueil-metz-hover.png

194 ms

accueil-epinal.png

accueil-epinal.png

257 ms

accueil-epinal-hover.png

accueil-epinal-hover.png

262 ms

CVqsYipTeyugFmIkcWNvDWJm+OE17ed55zlPMX7QuKqrche56UQt6JcWjLvUVCsKNkgHIsOWXKba2SkGRlyQWaaPYyZLr+oAOaAYQGVM6MKWHuGDVR3jFqavTTbnGlsB2NtwnABZ8yoA+6I0QDq8x8EefzGR+t5uiyN5QEMQD9SDMHgpBiB4VQxBqO+YgLGXcUmmNwVW2AzVmyDreGfBSXyA1zJXLMAAAABU+JZvwAA

CVqsYipTeyugFmIkcWNvDWJm+OE17ed55zlPMX7QuKqrche56UQt6JcWjLvUVCsKNkgHIsOWXKba2SkGRlyQWaaPYyZLr+oAOaAYQGVM6MKWHuGDVR3jFqavTTbnGlsB2NtwnABZ8yoA+6I0QDq8x8EefzGR+t5uiyN5QEMQD9SDMHgpBiB4VQxBqO+YgLGXcUmmNwVW2AzVmyDreGfBSXyA1zJXLMAAAABU+JZvwAA

4 ms

qJhRbH4ANR2WdUAAAFT4lnAAAA=

qJhRbH4ANR2WdUAAAFT4lnAAAA=

2 ms

Accessibility Review

esam.metzmetropole.fr accessibility score

84

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.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

esam.metzmetropole.fr 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

High

Missing source maps for large first-party JavaScript

SEO Factors

esam.metzmetropole.fr SEO score

89

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Esam.metzmetropole.fr 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 Esam.metzmetropole.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

esam.metzmetropole.fr

Open Graph description is not detected on the main page of Esam Metz Metropole. 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: