Broadly, Google defines accessible websites and pages as content that the blind and visually challenged can use and consume using standard online technology, and we've worked with a number of organizations to determine which websites and pages meet those criteria. Our methods for identifying accessible pages and content are always evolving; Currently we take into account several factors, including a given page's simplicity, how much visual imagery it carries and whether or not it's primary purpose is immediately viable with keyboard navigation. (source)
What will be useful to writers is that Google has also showed the criteria of how to make pages accessible to all types of readers with visual disabilitie:
Some of the basic recommendations on how to make a website more useable and accessible include keeping Web pages easy to read, avoiding visual clutter -- especially extraneous content -- and ensuring that the primary purpose of the Web page is immediately accessible with full keyboard navigation (...)The W3C publishes numerous guidelines including Web Content Access Guidelines that are helpful for Website owners and authors.
Comment Preview