7.7 sec in total
376 ms
7.1 sec
311 ms
Welcome to cco-villeurbanne.org homepage info - get ready to check Cco Villeurbanne best content right away, or after learning these important things about cco-villeurbanne.org
avant l'ouverture
Visit cco-villeurbanne.orgWe analyzed Cco-villeurbanne.org page load time and found that the first response time was 376 ms and then it took 7.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
cco-villeurbanne.org performance score
name
value
score
weighting
Value3.6 s
32/100
10%
Value18.0 s
0/100
25%
Value16.1 s
0/100
10%
Value90 ms
99/100
30%
Value0.231
54/100
15%
Value19.7 s
2/100
10%
376 ms
2656 ms
162 ms
164 ms
168 ms
Our browser made a total of 49 requests to load all elements on the main page. We found that 92% of them (45 requests) were addressed to the original Cco-villeurbanne.org, 4% (2 requests) were made to Ajax.googleapis.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Cco-villeurbanne.org.
Page size can be reduced by 423.8 kB (7%)
6.1 MB
5.7 MB
In fact, the total size of Cco-villeurbanne.org main page is 6.1 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. 50% of websites need less resources to load. Images take 5.6 MB which makes up the majority of the site volume.
Potential reduce by 22.0 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 22.0 kB or 79% of the original size.
Potential reduce by 52.9 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. Cco Villeurbanne images are well optimized though.
Potential reduce by 190.2 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 190.2 kB or 69% of the original size.
Potential reduce by 158.6 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. Cco-villeurbanne.org needs all CSS files to be minified and compressed as it can save up to 158.6 kB or 84% of the original size.
Number of requests can be reduced by 26 (55%)
47
21
The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cco Villeurbanne. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
cco-villeurbanne.org
376 ms
2656 ms
news-basic.css
162 ms
stylesheet_04f6a10fd6.css
164 ms
jquery.ui.theme.css
168 ms
jquery.ui.datepicker.css
170 ms
css
23 ms
vhs-assets-bootstrap-main-sheet-cco_main-customResponsiveCssClass-news-footer-header-carousel-mainContent-wiVideo-responsive-rte.css
381 ms
vhs-assets-cco_home.css
168 ms
vhs-assets-jquery-modernizr.js
561 ms
jquery.min.js
73 ms
jquery-ui.min.js
99 ms
jquery.ui.datepicker.min.js
261 ms
jquery.validationEngine-en.js
172 ms
jquery.validationEngine.js
267 ms
tabs.js
177 ms
form.js
254 ms
vhs-assets-bootstrap-core-plugin-main-wicarousel.js
340 ms
vhs-assets-css-2d40abeb87c7325105342eb564caa419.png
101 ms
Logo_CCO.png
98 ms
icon_fb_gris.png
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icon_twitter_gris.png
99 ms
icon_vimeo_gris.png
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preview_0-memoirevive_4d63c17984.png
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preview_1b-cco-batiment_df06ea9860.png
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preview_1a-sceno-tr-15_cdabc30e1b.png
1540 ms
icon_apostrophe_grand_blanc.png
1215 ms
Picto_alaune.png
1251 ms
Picto_ActuV3.png
1297 ms
vhs-assets-css-4d84d593d1110d9f4404cf9d9006e5e4.png
1299 ms
csm_visuel_c5d9e7bb99.jpg
1334 ms
csm_Projet_malika_914485fef5.png
1702 ms
csm_image_site_635dee4208.png
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csm_12314143_880899122016905_8657318148648031714_n_f91f275f16.jpg
1383 ms
Picto_AgendaV4.png
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trim2.png
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Picto_Newsletter.png
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Picto_annuaire.png
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icon_fb_blanc.png
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icon_twitter_blanc.png
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icon_vimeo_blanc.png
1594 ms
ga.js
32 ms
cco-villeurbanne.org 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.
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
Image elements do not have [alt] attributes
Links do not have a discernible name
cco-villeurbanne.org 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
cco-villeurbanne.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
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
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 Cco-villeurbanne.org 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 Cco-villeurbanne.org 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.
cco-villeurbanne.org
Open Graph description is not detected on the main page of Cco Villeurbanne. 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: