2.9 sec in total
220 ms
2.3 sec
352 ms
Welcome to keraunos.org homepage info - get ready to check KERAUNOS best content for France right away, or after learning these important things about keraunos.org
Orages et tornades en France : prévision, suivi, actualités, climatologie, informations. Le site français de référence sur les orages et les tornades en France. Prévision, suivi et étude des orages en...
Visit keraunos.orgWe analyzed Keraunos.org page load time and found that the first response time was 220 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
keraunos.org performance score
name
value
score
weighting
Value5.1 s
9/100
10%
Value8.8 s
1/100
25%
Value10.9 s
6/100
10%
Value1,810 ms
9/100
30%
Value0.093
91/100
15%
Value19.6 s
2/100
10%
220 ms
623 ms
91 ms
165 ms
166 ms
Our browser made a total of 92 requests to load all elements on the main page. We found that 64% of them (59 requests) were addressed to the original Keraunos.org, 17% (16 requests) were made to Pbs.twimg.com and 4% (4 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Keraunos.org.
Page size can be reduced by 817.3 kB (27%)
3.0 MB
2.2 MB
In fact, the total size of Keraunos.org main page is 3.0 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 1.9 MB which makes up the majority of the site volume.
Potential reduce by 123.5 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 123.5 kB or 78% of the original size.
Potential reduce by 98.9 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. KERAUNOS images are well optimized though.
Potential reduce by 546.0 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 546.0 kB or 66% of the original size.
Potential reduce by 49.0 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. Keraunos.org needs all CSS files to be minified and compressed as it can save up to 49.0 kB or 81% of the original size.
Number of requests can be reduced by 39 (44%)
89
50
The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KERAUNOS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
keraunos.org
220 ms
www.keraunos.org
623 ms
layout.css
91 ms
jquery.fancybox-1.3.4.css
165 ms
jquery.jscrollpane.css
166 ms
jquery-ui-1.10.2.custom.min.css
166 ms
css
44 ms
jquery-1.9.1.min.js
257 ms
jquery-migrate-1.1.1.min.js
9 ms
jquery.mousewheel.js
172 ms
jquery.detectmobile.js
171 ms
jquery.cookie.js
243 ms
jquery.jscrollpane.min.js
244 ms
jquery.jcarousel.min.js
245 ms
jquery-ui-1.10.2.custom.min.js
274 ms
jquery.validate.min.js
278 ms
jquery.fancybox-1.3.4.pack.js
323 ms
scripts.js
326 ms
addthis_widget.js
11 ms
bg_header.png
96 ms
bg_socials.png
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bg_login.png
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logo.png
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bg_menu.png
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loupe.png
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ombre.png
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bg_body.png
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bg_content.jpg
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alaune.png
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ligne.gif
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prevision-orages-tornades-keraunos.png
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info-locale.gif
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donnees-foudre2.png
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les_tornades_en_france.png
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bilans-climatiques-visuel.png
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widgets.js
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bandeau_service_certificat.jpg
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bandeau_service_prevision.jpg
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bandeau_service_alerte.jpg
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ga.js
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bandeau_service_expertise.jpg
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puce_ul.png
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300lo.json
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ombre_service.png
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keraunos.org 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 IDs are not unique
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
Buttons do not have an accessible name
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
keraunos.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
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
keraunos.org SEO score
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 Keraunos.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 Keraunos.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.
keraunos.org
Open Graph description is not detected on the main page of KERAUNOS. 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: