14.4 sec in total
608 ms
13.3 sec
543 ms
Click here to check amazing Bibliotheques Valdoise content for France. Otherwise, check out these important facts you probably never knew about bibliotheques.valdoise.fr
Portail de la bibliothèque départementale du Val d'Oise, BDVO. Trouvez le catalogue, les animations ....
Visit bibliotheques.valdoise.frWe analyzed Bibliotheques.valdoise.fr page load time and found that the first response time was 608 ms and then it took 13.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
bibliotheques.valdoise.fr performance score
name
value
score
weighting
Value3.5 s
34/100
10%
Value7.9 s
3/100
25%
Value12.0 s
4/100
10%
Value590 ms
50/100
30%
Value0.332
34/100
15%
Value15.3 s
7/100
10%
608 ms
1141 ms
498 ms
419 ms
594 ms
Our browser made a total of 106 requests to load all elements on the main page. We found that 91% of them (96 requests) were addressed to the original Bibliotheques.valdoise.fr, 5% (5 requests) were made to Maps.googleapis.com and 5% (5 requests) were made to Media.electre-ng.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Bibliotheques.valdoise.fr.
Page size can be reduced by 685.5 kB (13%)
5.2 MB
4.6 MB
In fact, the total size of Bibliotheques.valdoise.fr main page is 5.2 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 4.7 MB which makes up the majority of the site volume.
Potential reduce by 237.7 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 237.7 kB or 84% of the original size.
Potential reduce by 389.0 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. Bibliotheques Valdoise images are well optimized though.
Potential reduce by 6.4 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.
Potential reduce by 52.4 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. Bibliotheques.valdoise.fr needs all CSS files to be minified and compressed as it can save up to 52.4 kB or 27% of the original size.
Number of requests can be reduced by 25 (26%)
95
70
The browser has sent 95 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bibliotheques Valdoise. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.
bibliotheques.valdoise.fr
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bibliotheques.valdoise.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-*] attributes do not match their roles
[aria-hidden="true"] elements contain focusable descendents
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
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
Form elements do not have associated labels
Links do not have a discernible name
bibliotheques.valdoise.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
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
bibliotheques.valdoise.fr 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 Bibliotheques.valdoise.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 Bibliotheques.valdoise.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.
bibliotheques.valdoise.fr
Open Graph data is detected on the main page of Bibliotheques Valdoise. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: