Python Type Checker Comparison: Typing Spec Conformance | Pyrefly

Learn what it means to conform to the Python typing spec, why it matters, and the conformance status of each type checker including Pyrefly, Ty, Pyright and Mypy.

How to Improve Your HTML Game · Jens Oliver Meiert

On moving beyond unsystematic HTML by choosing a deliberate writing style, committing to validation, and regularly consulting the specification.

The two most important tools for HTML developers

Does this title say “HTML developer”? It does! Sadly, it’s not a thing. But: any developer writing...

DEV Community
Accessible faux-nested interactive controls

A really common user interface pattern is a big clickable area, such as a card. Sometimes you need controls within that card that are also clickable. There's lots of ways to do it wrong, but fret not, Eric is here to show you how to do it right.

Piccalilli

How Can You Tell What’s Allowed Inside Each HTML Element?, by (not on Mastodon or Bluesky):

https://www.maxdesign.com.au/articles/allowed-inside-elements.html

#html #conformance

The Two Most Important Tools for HTML Developers, by (not on Mastodon or Bluesky):

https://dev.to/cfried/the-two-most-important-tools-for-html-developers-24nb

#tooling #html #conformance #minification #htmlminifier

The two most important tools for HTML developers

Does this title say “HTML developer”? It does! Sadly, it’s not a thing. But: any developer writing...

DEV Community
What's wrong with this HTML, and is it valid? - HTMHell

A collection of bad practices in HTML, copied from real websites.

What's wrong with this HTML, and is it valid? - HTMHell

69% of developers say it’s important their HTML code is valid:

https://2025.stateofhtml.com/en-US/opinions/#validation_is_important

The reality seems different when we look at what we find on popular websites (cf. https://meiert.com/blog/html-conformance-2025/)—but this should be a great sign for better output quality.

#html #conformance

LAST WEEK IN WAI #2

Updated 19th November with AGWG meeting minutes from the 18th November

#WCAG3 #Conformance #WCAG2 new version? #a11y

https://html5accessibility.com/stuff/2025/11/18/last-week-in-wai-2/#update

LAST WEEK IN WAI #2 – HTML Accessibility

HTML—the Most Difficult Programming Language in the World · Jens Oliver Meiert

Where we seem to stand after declaring that HTML is a programming language and finding that most HTML documents contain errors.