Less than a month ago, HTML 5.2 became an official W3C Recommendation (REC). When a specification reaches the REC stage, this means that it has received the official endorsement of W3C Members and the Director, and that the W3C officially recommends it’s deployment by user agents, and it’...

Coming from the English-speaking world, it can be easy to maintain the bubble that is the English-speaking World Wide Web. But in fact, more than half of web pages are written in languages other than English. Since starting work at eyeo, I’ve had to think a lot more about...

When HTML is written incorrectly, nothing much happens. Because of this, it's easy to have invalid, unsemantic, or unaccessible bits in markup without it being obvious. There are many ways we can lint our HTML to discover and fix these issues, for example using the W3C Markup Validation Service. Another...

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...

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...