• Decrease font size of text
  • Increase font size of text
  • Print this page
  • Save in PDF format (max 1.5 MB)
  • Partager par e-mail



This site aims at being accessible to the greatest number; however, if you encounter difficulties please do not hesitate to let us know via our contact form.


All text on this site has a relative font size, i.e., it can be enlarged as needed.

To change the text font size:

  • With various browsers: <kbd> Ctrl </ kbd> <kbd> + </ kbd> mouse wheel
  • Internet Explorer: go to Display >> Text Size and select.
  • Mozilla, Firefox and Google Chrome: do <kbd> Ctrl </ kbd> <kbd> + </ kbd> to enlarge and <kbd> Ctrl </ kbd> <kbd> - </ kbd> to reduce.
  • Opera: Press the keys <kbd> + </ kbd> or <kbd> - </ kbd> on the numeric keypad. Or go to Display >> Zoom and select. 


This menu is placed at the beginning of the page; these links, as soon as they are loaded, allow direct access to the desired portion without having to browse the entire page.

These links facilitate access to the site for the disabled and especially the visually impaired: they allow them to go directly to the desired location.


You can use your technical support (screen reader…) to move through the pages thanks to the roles. These roles make it possible to better structure the document and thus to aid your navigation.

  • With NVDA: <kbd> NVDA </ kbd> + <kbd> F7 </ kbd>
  • With Jaws: <kbd> CTRL </ kbd> + <kbd> INS </ kbd> + <kbd>; </ kbd> (semicolon) 


Press <kbd> Tab </ kbd> and repeat until you select the desired link, validate with <kbd> Enter </ kbd>.

Utilities for the visually impaired

A quick overview of assistive software for accessibility to computers and its tools and applications (websites among others).


  • Screen readers transform the information displayed on the screen (word processor or web browser for example) for a speech synthesizer or a device such as a Braille display.
  • Speech browsers are intended for browsing the Internet for which they provide graphics rendering (conventional display) and a voice playback or a refreshable Braille display.
  • Text browsers display web pages in text mode.
  • Magnifying glasses and their equivalents are intended to enlarge or modify an area of ​​the screen to make it readable by a visually impaired person. 


  • JAWS (Job Access With Speech) is software for Windows designed for the visually impaired and produced by the company Freedom Scientific. More precisely, it is a screen reader that transforms text displayed on a screen into spoken text or Braille text. For more information, visit JAWS (Visual Impairment Software).
  • NVDA (Non-Visual Desktop Access) is an open-source and freely available screen reader for Microsoft Windows XP, Vista and Seven.
  • VoiceOver: For people who are blind or visually impaired to use a computer more easily, Apple has designed VoiceOver, an integrated solution for every Mac. It is reliable, simple to learn and enjoyable to use.
  • Orca is a freely available, open-source Linux screen reader that provides access to the graphical user interface via customizable speech and/or Braille combinations.
  • InfoVox Desktop is voice playback software from the Acapela group.
  • Windows Magnifier: In Windows, by pressing the window key and the <kbd> U </ kbd> key at the same time, part of the screen is significantly magnified. 

Open-source software

This site is built with open-source software.

Open-source software is computer software distributed under a particular licence that authorizes and guarantees four freedoms:

  • The freedom to run the software for any purpose
  • The freedom to study the operation of the software and adapt it to your needs (access to the source code is necessary for this)
  • The freedom to redistribute copies – so helping your neighbour
  • The freedom to improve the software and to publish your improvements to benefit the whole community (access to the source code is necessary for this)

Open-source software is therefore developed by people who join forces in open collaboration