1.7 sec in total
245 ms
1.3 sec
143 ms
Click here to check amazing Science Vulcania content for France. Otherwise, check out these important facts you probably never knew about science.vulcania.com
Découvrez la science des planètes, volcans et phénomènes naturels grâce à Vulcania : parc d'attractions et d'animations autour de la découverte des volcans et de la planète Terre.
Visit science.vulcania.comWe analyzed Science.vulcania.com page load time and found that the first response time was 245 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
science.vulcania.com performance score
name
value
score
weighting
Value2.5 s
67/100
10%
Value6.2 s
11/100
25%
Value4.1 s
79/100
10%
Value3,800 ms
1/100
30%
Value0
100/100
15%
Value7.8 s
44/100
10%
245 ms
192 ms
186 ms
188 ms
194 ms
Our browser made a total of 48 requests to load all elements on the main page. We found that 56% of them (27 requests) were addressed to the original Science.vulcania.com, 19% (9 requests) were made to Use.typekit.com and 8% (4 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (595 ms) belongs to the original domain Science.vulcania.com.
Page size can be reduced by 78.3 kB (28%)
275.4 kB
197.0 kB
In fact, the total size of Science.vulcania.com main page is 275.4 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. 55% of websites need less resources to load. Images take 139.9 kB which makes up the majority of the site volume.
Potential reduce by 39.7 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 39.7 kB or 86% of the original size.
Potential reduce by 6.5 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. Science Vulcania images are well optimized though.
Potential reduce by 32.1 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 32.1 kB or 36% of the original size.
Number of requests can be reduced by 21 (57%)
37
16
The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Science Vulcania. 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 6 to 1 for CSS and as a result speed up the page load time.
science.vulcania.com
245 ms
stylesheet_d2fc9f3a13.css
192 ms
typekit.js
186 ms
normalize.css
188 ms
science.css
194 ms
menus.css
185 ms
jquery.fancybox-1.3.4.css
187 ms
ie8.css
358 ms
modernizr-2.0.6.min.js
361 ms
jquery.min.js
17 ms
swfobject.js
18 ms
plugins.js
476 ms
science.js
422 ms
uua7fof.js
142 ms
fond-science.png
119 ms
logo.jpg
210 ms
science.jpg
210 ms
2013_Bloc-volcanHP.png
374 ms
Volcans-d-auvergne.jpg
209 ms
kraft.jpg
348 ms
icone-echanger.jpg
346 ms
icone-visiter.jpg
513 ms
newsletter-submit.jpg
513 ms
gtm.js
68 ms
black-60.png
497 ms
ruban-science.png
509 ms
filet1.gif
509 ms
fon-pedago.png
528 ms
icone-contact-off.png
595 ms
icone-recrutement-off.png
595 ms
icone-copyright-off.png
595 ms
gtm.js
132 ms
i
129 ms
i
156 ms
i
159 ms
i
194 ms
i
171 ms
i
68 ms
i
68 ms
i
68 ms
analytics.js
35 ms
index.min.js
114 ms
js
33 ms
js
128 ms
collect
58 ms
collect
72 ms
collect
171 ms
ga-audiences
60 ms
science.vulcania.com 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
Links do not have a discernible name
science.vulcania.com 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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
science.vulcania.com 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 doesn't use 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 Science.vulcania.com 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 Science.vulcania.com 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.
science.vulcania.com
Open Graph description is not detected on the main page of Science Vulcania. 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: