Making a more accessible website widens the reach of your audience, tapping into the massive spending power of disabled people, it improves search engine listings and also facilitates the easy transfer of this content to other media such as interactive TV or mobile phones.
Other favorable side effects include:
But it also assists legal compliance.
The Endorsement of PAS 78 is significant and it could be used in court to illustrate whether a business has complied with the Disability Discrimination Act. A failure to follow it could be damaging to an organisation's case; but compliance would be evidence of steps being taken to fulfil the legal duty.