Category: headers

Understanding The Vary Header

    The Vary HTTP header is sent in billions of HTTP responses every day. But its use has never fulfilled its original vision, and many developers misunderstand what it does or don’t even realize that their web server is sendin...

The Document Outline Dilemma

For the past few weeks there has been lots of talk about HTML headings in web standards circles. Perhaps you’ve seen some of the blog posts, tweets, and GitHub issue threads. Headings have been part of HTML since the very first websites at CERN, so it might be surprising to find them controversial 25 years later....

Creating Non-Rectangular Headers

Over at Medium, Jon Moore recently identified “non-rectangular headers” as a tiny trend. A la: it’s not crazy popular yet, but just you wait, kiddo. We’re talking about headers (or, more generally, any container element) that have a non-rectangular shape. Such as trapezoids: By Patrick Kantor ...