Links
The following links contain further information on the topic of quality.
If a link is no longer functional or if you have another link suggestion on the topic, we would be happy to receive your message at qualidator@seven49.net
Website of Alexa Internet, Inc.
A private web project with lots of information about barrier-free web design (in German).
"SELFHTML contains both introductory chapters for beginners and pure reference chapters for professionals. The documentation is a mixture of tutorial and reference". (The website is in German).
CSS Validation Service
The colour contrast used on a website can be measured concretely and allows statements to be made as to whether the chosen colour contrast is sufficiently high.
Website der weltweiten NGO "Lighthouse" mit vielfältigen Informationen zur guten Lesbarkeit von Websites.
Is the private weblog of Vladimir Simovic with reports about webwork and internet.
The RFC "Requests for Comments" are a series of technical and organisational documents of the RFC Editor on the Internet, which were started on 7 April 1969 and have become the standard.
See also rfc-ref.org
Lecture by the company Seybold, San Francisco 2003
Website of the web company founded by Douglas Bowman with many interesting articles on standards compliant web design.
"Technikwürze is the popular podcast about web design, web standards and barrier-free websites. (Website in German)
Jakob Nielsen's Website
W3 Markup Validation Service
Possibility to view your website from the perspective of a colour-blind person.
Web Content Accessibility Guidelines 1.0
Website of the World Wide Web Consortium (W3C)