Accessible website design
Use a sans serif typeface, like Arial as it is easier to read for visually impaired people. A large font equivalent to Arial 14 is a good size – the alternative is to have a Large Print button at the top of the home page.
The text should be colour-contrasted with its surroundings – like black/white, yellow/blue, green/white. Many visually impaired people find it easier to read reverse coloured text – e.g. white characters (#FFFFFF), on racing green (#006600) background
Pictures/pictograms/icons help many people with learning disabilities, but can be a hindrance to people using voice software like Hal/Supernova (text-reader software). Where pictures are included, make sure the alt tags say what they are or what they do (e.g.: click here for Toyota cars)
Frames are about the most unhelpful thing for blind and visually impaired people, firstly because it is not easy to see what is going on, secondly, because most Text Reader software works from left to right (in the West), so someone using, for example, Supernova or a screen reader may be jumping from frame to frame and what they hear wont make sense.
Tables are inaccessible for many with visual impairments and some screen readers
Web-based forms can usually be read by text readers, but it’s worthwhile including a “print” button, for people who can’t use the online version.
6. Document downloads
If written in Adobe Acrobat 7 or above, pdf.files can be read by text readers like Jaws, but not all screen readers, therefore it is best practice to offer documents in Word and in Pdf
A logical and easy-to-follow structure may be the most important thing in making a website accessible:
Web Content Accessibility Guidelines. Available at: www.w3.org/WAI/
Accessibility Guidelines for Web Authors. Available at: www.demon.ac.uk/access