2025: 0 of the Global Top 200 Websites Use Valid HTML
Read OriginalAn annual analysis of HTML conformance on the home pages of the world's top 200 most visited websites finds that zero sites use completely valid HTML in 2025. The study tracks the degradation in markup quality over recent years, noting an increase in average and median error counts, and discusses challenges with validation tools.
0 comments
Comments
No comments yet
Be the first to share your thoughts!
Browser Extension
Get instant access to AllDevBlogs from your browser
Top of the Week
1
Fix your upgrades and migrations with Codemods
Cassidy Williams
•
2 votes
2
Designing Design Systems
TkDodo Dominik Dorfmeister
•
2 votes
3
Introducing RSC Explorer
Dan Abramov
•
1 votes
4
The Pulse: Cloudflare’s latest outage proves dangers of global configuration changes (again)
The Pragmatic Engineer Gergely Orosz
•
1 votes
5
Fragments Dec 11
Martin Fowler
•
1 votes
6
Adding Type Hints to my Blog
Daniel Feldroy
•
1 votes
7
Refactoring English: Month 12
Michael Lynch
•
1 votes
8
Converting HTTP Header Values To UTF-8 In ColdFusion
Ben Nadel
•
1 votes
9
Pausing a CSS animation with getAnimations()
Cassidy Williams
•
1 votes
10
From Random Forests to RLVR: A Short History of ML/AI Hello Worlds
Sebastian Raschka
•
1 votes