4.9 sec in total
613 ms
3.9 sec
392 ms
Welcome to ville-cergy.fr homepage info - get ready to check Ville Cergy best content for France right away, or after learning these important things about ville-cergy.fr
Site officiel de la ville de Cergy. Guide pratique et interactif de la vie cergyssoise : services publics, élus, équipements, démarches administratives et visite guidée au coeur de la commune.
Visit ville-cergy.frWe analyzed Ville-cergy.fr page load time and found that the first response time was 613 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
ville-cergy.fr performance score
name
value
score
weighting
Value5.0 s
9/100
10%
Value12.9 s
0/100
25%
Value11.0 s
6/100
10%
Value530 ms
55/100
30%
Value0.241
52/100
15%
Value19.0 s
3/100
10%
613 ms
328 ms
168 ms
165 ms
167 ms
Our browser made a total of 66 requests to load all elements on the main page. We found that 97% of them (64 requests) were addressed to the original Ville-cergy.fr, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Ville-cergy.fr.
Page size can be reduced by 654.7 kB (28%)
2.3 MB
1.7 MB
In fact, the total size of Ville-cergy.fr main page is 2.3 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.
Potential reduce by 80.8 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. This page needs HTML code to be minified as it can gain 13.8 kB, which is 14% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 80.8 kB or 84% of the original size.
Potential reduce by 105.2 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. Ville Cergy images are well optimized though.
Potential reduce by 260.6 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 260.6 kB or 71% of the original size.
Potential reduce by 208.2 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. Ville-cergy.fr needs all CSS files to be minified and compressed as it can save up to 208.2 kB or 87% of the original size.
Number of requests can be reduced by 26 (41%)
63
37
The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ville Cergy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
www.ville-cergy.fr
613 ms
stylesheet_29b2f023c8.css
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mm_forum.css
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wtgallery_main.css
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tipafriendplus.css
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prototype-1.6.0.3.js
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class.forum_editor.js
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multifile_compressed.js
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javascript_0b12553063.js
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styles.css
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styles2.css
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mediaqueries.css
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jquery-1.7.2.min.js
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fonctions_pages.js
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respond.min.js
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jquery.jcarousel.js
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scripts_carrousel.js
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slightbox.css
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slimbox.2.0.4.yui.js
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jquery-ui-1.8.9.custom.min.js
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suggest.js
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logo_cergy.png
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ville-cergy.fr accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA IDs are not unique
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
Links do not have a discernible name
ville-cergy.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
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
ville-cergy.fr SEO score
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
FR
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ville-cergy.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 Ville-cergy.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.
ville-cergy.fr
Open Graph description is not detected on the main page of Ville Cergy. 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: