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HTML and CSS additionnal recommendations

With the aim of being pragmatic and quickly operational, a few accessibility recommendations of the WCAG have not been kept in the core of this document. These criteria are rarely applicable in a web project or are of low priority. Nevertheless, they are listed below and will be described in the Accede Web project wiki.

...to comply with level A (WCAG 2.0)

Tag inline quotes with <q>.
Include the summary and structure of each data table with the summary attribute.
Enter a value for the title attribute for each <iframe>.
Enter a value for the title attribute for each <frame>.
Group options of the same type with the <optgroup> tag in the <select>.
Indicate the language of each download document written in a foreign language.
Make sure images with an ismap attribute have duplicate alternative links.
Enter the main reading order of the page with the dir="ltr" attribute (left to right) or dir="rtl" attribute (right to left) on the <html> tag.
Use the dir attribute to indicate any changes to the reading direction in the body of the page.
Identify the main zones of the page with the id attribute or a named anchor.

...to comply with level AA (WCAG 2.0)

There are no additional recommendations for level AA (WCAG).

...to comply with level AAA (WCAG 2.0)

Include explicit link headings that are comprehensible without context and without using the title attribute.
Tag definitions with <dfn>.
Tag abbreviations with <abbr>.
Tag acronyms with <acronym>.
Limit the width of text to 80 characters, whatever the size of the text.
Include line spacing of at least 1.5 times the text size, whatever the size of the text.
Include paragraph spacing of at least 1.5 times the value of the line spacing, whatever the size of the text.
Ensure the absence of a horizontal scrollbar even when the size of the text is doubled by the user.
Ensure that the line length is less than 80 characters when the user reduces the width of the browser window.

notices/html-css/recommandations-additionnelles.txt · Last modified: 11 February 2014 at 17:30 by rlapeze

Table of Contents

HTML and CSS additionnal recommendations

...to comply with level A (WCAG 2.0)

...to comply with level AA (WCAG 2.0)

...to comply with level AAA (WCAG 2.0)