The World Wide Web Consortium (W3C) in the article, ‘Evaluating Web Sites for Accessibility’, states,

“No single evaluation tool yet provides comprehensive information or captures all problems with regard to the accessibility of a site; therefore evaluation involves a combination of approaches.”

Of course this is not new, as far back as 2004 The Disability Rights Commission highlighted issues related to testing website using the W3C Web Content Accessibility Guidelines,

“It is very significant that the majority of those Checkpoints that this investigation found to be the most important are qualitative, in the sense that they require the exercise of human judgement.

Working with non-profits, charities, voluntary and public sector organisations and social enterprises for over 20 years. Jim set up one of the worlds first website accessibility web agencies in the mid 1990s.