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Web Accessibility WCAG 2.0 Knowledge Base

Web Accessibility and WCAG 2.0 is a relatively new area of expertise for many web developers and webmasters. We’re working to build a comprehensive knowledge base or questions and answers to help solve the unique challenges around building websites with web accessibility in mind.  Browse or search our knowledge base, or submit questions to our team of developers. 

Browse by Conformance Level:

Browse by by Principle/Guideline:


Information and user interface components must be presentable to users in ways they can perceive.



Information and the operation of user interface must be understandable.


Content must be robust enough that it can be interpreted reliably by a wide variety of user agents, including assistive technologies.

Browse Recent Questions & Answers:

Whats the 10-4 on user generate content?

My site consists largely of user generated content. Meaning… I don’t have any control of what they post. Do I need to moderate EVERYTHING to make sure it’s accessible and am I even responsible for that?

Minimum font size?

I like the look of smaller text on the web. And even if the text is pretty normal size, some subheadings or small bits of info look nice if they are much smaller (thinking 12px or so). Is there a minimum font size that is allowed?