This site is based on web standards to provide accessibility to the pages for people with disabilities (complete or partial blindness, motor or intellectual disabilities, etc.), and is compatible with technical aids (Braille display, screen reader, mouse-free navigation etc.).
The site is built with a system of alternative style sheets that make it possible to consult and print the site according to browser navigation settings.
Compliance with W3C standards
The HTML code is compliant with the HTML5 specification. It is tested using W3C's HTML validator; the CSS code complies with the CSS3 specification.
Rules of accessibility
A text equivalent is provided using the alt attribute for significant images, when they are not described precisely in the text they illustrate. The "alt" attribute for non-significant images is empty. The layout does not use invisible images; images are only used when there is no XHTML element enabling the information concerned to be transmitted.
Structure and presentation
Using CSS positioning properties to totally separate presentation and content enables documents to retain a consistent order outside CSS:
- The title, content, menus;
- The site is organised into sections grouping articles together by theme;
- the site layout is based exclusively on external style sheets;
- the pages are structured using h1.h6 titles, used in the appropriate order;
- information forming lists of items is tagged using ul, ol and el elements;
- the presentation style is consistent across the entire site, a single style sheet being used.
Navigation and links
The site map is accessible from each page; the navigation menus reflect the structure of the information. They provide continuous access to the entire site; the related links are grouped logically and structurally. The adjacent links are separated by printable characters in order to prevent them from being confused by the assistance technologies.