1.7 sec in total
252 ms
1.4 sec
133 ms
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.frWe 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.
esam.metzmetropole.fr performance score
name
value
score
weighting
Value0.9 s
100/100
10%
Value4.6 s
36/100
25%
Value8.2 s
20/100
10%
Value6,070 ms
0/100
30%
Value0
100/100
15%
Value13.5 s
11/100
10%
252 ms
342 ms
539 ms
389 ms
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 size can be reduced by 206.8 kB (52%)
395.6 kB
188.9 kB
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.
Potential reduce by 6.7 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.
Potential reduce by 38.3 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.
Potential reduce by 122.2 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.
Potential reduce by 39.6 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. 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.
We found no issues to fix!
15
15
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.
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
cefedem.png
102 ms
cefedem-hover.png
101 ms
metz.png
102 ms
metz-hover.png
104 ms
epinal.png
172 ms
epinal-hover.png
177 ms
accueil-cefedem.png
195 ms
accueil-cefedem-hover.png
192 ms
accueil-metz.png
194 ms
accueil-metz-hover.png
194 ms
accueil-epinal.png
257 ms
accueil-epinal-hover.png
262 ms
CVqsYipTeyugFmIkcWNvDWJm+OE17ed55zlPMX7QuKqrche56UQt6JcWjLvUVCsKNkgHIsOWXKba2SkGRlyQWaaPYyZLr+oAOaAYQGVM6MKWHuGDVR3jFqavTTbnGlsB2NtwnABZ8yoA+6I0QDq8x8EefzGR+t5uiyN5QEMQD9SDMHgpBiB4VQxBqO+YgLGXcUmmNwVW2AzVmyDreGfBSXyA1zJXLMAAAABU+JZvwAA
4 ms
qJhRbH4ANR2WdUAAAFT4lnAAAA=
2 ms
esam.metzmetropole.fr accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
esam.metzmetropole.fr best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
esam.metzmetropole.fr SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
FR
N/A
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.
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: