Sur le Web, actualités accessibilité numérique, janvier 2009

Actualités du mois

• "Screen Reader Survey Results
  With over 1100 responses (thank you to all that participated!), the data provides a load of useful information about screen reader user demographics and preferences. Some of the results were about what we expected, but some of them very much surprised us. We are already re-thinking some of our long-standing philosophies about alternative text - particularly for decorative-type images [...]
  Jared Smith, WebAIM Blog (2009-01-30)
• "Headings, heading hierarchy, and document outlines"
  Recently my coworkers and I have been discussing HTML headings and heading hierarchy. This may not sound like something you need to spend a lot of time discussing, but there are some situations when it seems very difficult to find a solution without compromises [...]
  Roger Johansson, 456 Berea Street (2009-01-26)
• "WCAG 2.0 Checklist"
  Along the same line as our popular Section 508 Checklist, WebAIM has just published a WCAG 2.0 Checklist. This is intended to be an easy-to-use, understandable checklist for evaluating or implementing WCAG 2.0. The language in the checklist is significantly simplified from the actual WCAG 2.0 language published by the W3C [...]
  Jared Smith, WebAIM Blog (2009-01-26)
• "Requiring the alt Attribute in HTML5"
  I'm putting together a list of pros and cons about making the alt attribute required in HTML 5. The following is a list of reasons for and against making the alt attribute required. What is your opinion? [...]
  Gez Lemon, Juicy Studio (2009-01-25)
• "Le financement de l'accessibilité numérique ? Le gouvernement français refuse d'investir dans l'avenir"
  Le congrès de l'Unisda s'est déroulé vendredi 23 janvier 2009 au Palais Brongniart à Paris. Le thème était : les Centres Relais Téléphoniques pour les personnes sourdes ou malentendantes [...]
  Braillenet/AccessiWeb (2009-01-24)
• "Les non-voyants veulent aussi profiter des écrans tactiles"
  Depuis l'iPhone, l'écran tactile semble devenir le produit incontournable de ces prochaines années. Le "touchscreen" offre l'avantage de pouvoir redéfinir indéfiniment son support. Après Apple, Microsoft se lance aussi dans le tactile avec Windows Seven, dont la version bêta a été lancée début d'année, et qui a été pensée pour cette technologie [...]
  Stéphanie Goutte, Ecrans.fr (2009-01-22)
• "How Can I Validate (X)HTML + ARIA?"
  An issue with the use of WAI-ARIA in HTML documents is that they don't validate. When you run a HTML document containing ARIA attributes through the W3C Validator it shows errors in the results for any ARIA attributes. More importantly it does not inform me of errors in the ARIA code, for example, if the role value used is incorrect in reference to the WAI-ARIA specification [...]
  Steve Faulkner, The Paciello Group Blog (2009-01-19)
• "Référentiels : toujours des incertitudes sur le calendrier de parution"
  La DGME a mis en ligne sur une adresse unique les trois référentiels généraux (interopérabilité, accessibilité, sécurité) ; documents qui étaient jusqu'alors disséminés sur plusieurs sites [...]
  Le blog TIC des Maires de Grandes Villes (2009-01-19)
• "Using WAI-ARIA Landmark Roles"
  The WAI-ARIA specification defines a set of specialised "landmark" roles. These roles provide a method to programmatically identify commonly found sections of web page content in a consistent way. they can be used now in whatever flavour of (X)HTML you prefer. This allows assistive technologies to provide users with features which they can use to identify and navigate to sections of page content [...]
  Steve Faulkner, Paciello Group Blog (2009-01-15)
• "WebAIM Color Contrast Checker"
  I decided to bring together many aspects of the various color contrast checkers out there to build one of my own that provides just the functionality that I often need [...]
  WebAIM Blog (2009-01-14)
• "Luminosity Contrast Ratio Main Colour Contrast Analyser"
  The Accessibility Evaluation and Repair Tools (AERT) colour contrast algorithm was never a recommendation. As the luminosity contrast ratio algorithm is recommended with WCAG 2.0, it is now the main method of testing colour contrast on Juicy Studio [...]
  Gez Lemon, Juicy Studio (2009-01-07)
• "Punctuating text-equivalents"
  When we have an image on a web page and that image conveys content, then we know it is important to provide a text equivalent of the content that image offers. The most typical (but not only) way of doing this is to add the text equivalent content in an alt attribute on that image. The text content of this attribute should convey the equivalent information that the image contains [...]
  Accessibility Tips (2009-01-02)

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