Simon Willison’s Weblog

Jeffrey Zeldman: XHTML WTF. Reading the comments, it’s scary how many people are totally ill-informed about HTML5 and XHTML5.

Posted 4th July 2009 at 1:22 am

Recent articles

Reverse engineering some updates to Claude - 31st July 2025
Trying out Qwen3 Coder Flash using LM Studio and Open WebUI and LLM - 31st July 2025
My 2.5 year old laptop can write Space Invaders in JavaScript now, using GLM-4.5 Air and MLX - 29th July 2025

education 25 html5 83 jeffrey-zeldman 23 web-standards 45 xhtml 52 xhtml5 2

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