13.9 sec in total
1.4 sec
7.5 sec
5 sec
Visit billets.cite-sciences.fr now to see the best up-to-date Bill Et S Cite Sciences content for France and also check out these interesting facts you probably never knew about billets.cite-sciences.fr
Achetez vos billets pour nos expositions, la Cité des enfants, le lab de la Cité des bébés, nos événements, stages et ateliers etc.
Visit billets.cite-sciences.frWe analyzed Billets.cite-sciences.fr page load time and found that the first response time was 1.4 sec and then it took 12.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
billets.cite-sciences.fr performance score
name
value
score
weighting
Value5.5 s
6/100
10%
Value5.5 s
18/100
25%
Value25.4 s
0/100
10%
Value22,410 ms
0/100
30%
Value0.048
99/100
15%
Value30.0 s
0/100
10%
1412 ms
124 ms
862 ms
285 ms
273 ms
Our browser made a total of 27 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Billets.cite-sciences.fr, 4% (1 request) were made to Polyfill.io. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Billetterie.cite-sciences.fr.
Page size can be reduced by 39.9 kB (5%)
813.6 kB
773.7 kB
In fact, the total size of Billets.cite-sciences.fr main page is 813.6 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. 70% of websites need less resources to load. Images take 702.7 kB which makes up the majority of the site volume.
Potential reduce by 37.6 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 6.8 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 37.6 kB or 77% of the original size.
Potential reduce by 170 B
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. Bill Et S Cite Sciences images are well optimized though.
Potential reduce by 563 B
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 563 B or 64% of the original size.
Potential reduce by 1.6 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. Billets.cite-sciences.fr has all CSS files already compressed.
Number of requests can be reduced by 4 (20%)
20
16
The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bill Et S Cite 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 5 to 1 for JavaScripts and as a result speed up the page load time.
billetterie.cite-sciences.fr
1412 ms
social_gdpr.css
124 ms
app.css
862 ms
polyfill.min.js
285 ms
manifest.js
273 ms
vendor.js
2136 ms
decode.js
425 ms
app.js
617 ms
logo-cite.svg
812 ms
logo-palais.svg
806 ms
logo-leblob-dark.svg
809 ms
flag-en.svg
953 ms
csm_planetarium-cite-sciences_035340943e.jpg
908 ms
csm_exposition-fragile_1329368e33.jpg
844 ms
csm_argonaute-cite-sciences_154da65e0b.jpg
838 ms
csm_expositions-permanentes-cite-sciences_830ad7228a.jpg
835 ms
espaces-enfants-cite-sciences.jpg
952 ms
illustr-carte-account.svg
825 ms
abonnement-pass.jpg
948 ms
groupes-scolaires-cite-sciences.jpg
945 ms
logo-rf.svg
904 ms
Regular-Black.woff
574 ms
Regular-Extrabold.woff
538 ms
Regular-Bold.woff
579 ms
Regular-Medium.woff
578 ms
Regular-Regular.woff
578 ms
Icons.woff
574 ms
billets.cite-sciences.fr accessibility score
billets.cite-sciences.fr best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
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
billets.cite-sciences.fr SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Billets.cite-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 Billets.cite-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.
billets.cite-sciences.fr
Open Graph data is detected on the main page of Bill Et S Cite Sciences. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: