Optimize images

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Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 2 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.

Remove render-blocking JavaScript:
http://www.casio-education.fr/assets/application-c7a62ea0862011371e971a6f975ae74618ff8d8a02ae849bbe696865a76fb3b8.js
http://cdn.jsdelivr.net/jquery.slick/1.5.7/slick.min.js

Optimize CSS Delivery of the following:
http://www.casio-education.fr/assets/application-1c33e87217a424dd90fcb736dafaee1b4e784743473f4687e1a2ae2b6713d21a.css
https://fonts.googleapis.com/css?family=Open+Sans:400,600,300,700,400italic,800|Open+Sans+Condensed:700
http://cdn.jsdelivr.net/jquery.slick/1.5.7/slick.css
http://www.casio-education.fr/stylesheets/categories.css

Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
http://www.google-analytics.com/analytics.js (2 hours)
https://js-agent.newrelic.com/nr-1071.min.js (2 hours)

Reduce server response time

Your server responded quickly. Learn more about server response time optimization.

Enable compression

You have compression enabled. Learn more about enabling compression.

Minify CSS

Your CSS is minified. Learn more about minifying CSS.

Avoid landing page redirects

Your page has no redirects. Learn more about avoiding landing page redirects.

Prioritize visible content

You have the above-the-fold content properly prioritized. Learn more about prioritizing visible content.

Minify JavaScript

Your JavaScript content is minified. Learn more about minifying JavaScript.

Minify HTML

Your HTML is minified. Learn more about minifying HTML.

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 2 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.

Remove render-blocking JavaScript:
http://www.casio-education.fr/assets/application-c7a62ea0862011371e971a6f975ae74618ff8d8a02ae849bbe696865a76fb3b8.js
http://cdn.jsdelivr.net/jquery.slick/1.5.7/slick.min.js

Optimize CSS Delivery of the following:
http://www.casio-education.fr/assets/application-1c33e87217a424dd90fcb736dafaee1b4e784743473f4687e1a2ae2b6713d21a.css
https://fonts.googleapis.com/css?family=Open+Sans:400,600,300,700,400italic,800|Open+Sans+Condensed:700
http://cdn.jsdelivr.net/jquery.slick/1.5.7/slick.css
http://www.casio-education.fr/stylesheets/categories.css

Optimize images

Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 295.3KiB (47% reduction).
Compressing http://www.casio-education.fr/assets/footer-bg-08919300beb14d5f0fbc3a8d29201c9a6b7b49e84517053f65f927a1b5a8b7a7.jpg could save 153.8KiB (88% reduction).
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Compressing http://s3-eu-west-1.amazonaws.com/casio-de/slides/foregrounds/00