Posts in category: "accessibility"

Accessibility Testing with pa11y

Knowing where to start with accessibility testing can be difficult and overwhelming. In my article on Tools for Developing Accessible Websites, I mentioned 5 tools you can use to get started developing more accessible websites. More recently, I have discovered an incredibly powerful tool - pa11y Introducing pa11y pa11y, pronounced...

Rules for Using ARIA in HTML

The Web Accessibility Initiative's Accessible Rich Internet Applications Suite (WAI-ARIA, or just ARIA) is a set of tools and guidelines for making web content and applications more accessible. Most notably, it includes a suite of attributes we can add to HTML elements to embed in them more semantic information that...

Document Outlines in HTML 5.1

In one of my previous articles, Using Heading Elements to Create a Document Outline, I explained the importance of having valid outlines in an HTML page. The outline for an HTML document shows the structure of the content on the page. This is useful for user agents, who can use...

Making "Blue Beanie Me"

Blue Beanie Day (November 30th) is a day where web developers show support of web standards and accessibility by posting a selfie of themselves wearing a blue beanie. It was first instigated by Jeffrey Zeldman in 2006, who wrote a book about web standards and famously wears a blue beanie....

Tools for Developing Accessible Websites

Building websites that are accessible can be challenging for developers like myself that have never had to use any assistive technologies. Unlike visual issues such as layout which can be easily seen, accessibility issues can very easily go unnoticed if we don't have the correct tools to test for them....