7.1 sec in total
1.7 sec
4.9 sec
539 ms
Visit terre-des-sciences.fr now to see the best up-to-date Terre Des Sciences content and also check out these interesting facts you probably never knew about terre-des-sciences.fr
Terre des Sciences propose des ressources pédagogiques pour les enseignants (expositions, mallettes...), des animations scientifiques, des formations, des actions de découverte professionnelle
Visit terre-des-sciences.frWe analyzed Terre-des-sciences.fr page load time and found that the first response time was 1.7 sec and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
terre-des-sciences.fr performance score
name
value
score
weighting
Value3.4 s
37/100
10%
Value8.6 s
1/100
25%
Value5.1 s
61/100
10%
Value500 ms
58/100
30%
Value0.002
100/100
15%
Value7.5 s
47/100
10%
1662 ms
190 ms
192 ms
323 ms
476 ms
Our browser made a total of 155 requests to load all elements on the main page. We found that 78% of them (121 requests) were addressed to the original Terre-des-sciences.fr, 13% (20 requests) were made to Maps.googleapis.com and 5% (7 requests) were made to Maps.gstatic.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Terre-des-sciences.fr.
Page size can be reduced by 788.7 kB (24%)
3.3 MB
2.5 MB
In fact, the total size of Terre-des-sciences.fr main page is 3.3 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. 70% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.
Potential reduce by 123.4 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. This page needs HTML code to be minified as it can gain 25.3 kB, which is 17% 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 123.4 kB or 85% of the original size.
Potential reduce by 120.0 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. Terre Des Sciences images are well optimized though.
Potential reduce by 499.1 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 499.1 kB or 65% of the original size.
Potential reduce by 46.2 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. Terre-des-sciences.fr needs all CSS files to be minified and compressed as it can save up to 46.2 kB or 82% of the original size.
Number of requests can be reduced by 41 (27%)
150
109
The browser has sent 150 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Terre Des Sciences. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and as a result speed up the page load time.
www.terre-des-sciences.fr
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terre-des-sciences.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.
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
Form elements do not have associated labels
Links do not have a discernible name
terre-des-sciences.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
Page has valid source maps
terre-des-sciences.fr SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
FR
FR
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Terre-des-sciences.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 Terre-des-sciences.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.
terre-des-sciences.fr
Open Graph description is not detected on the main page of Terre Des Sciences. 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: