Simon Willison’s Weblog

HTML5 differences from HTML4. Useful guide, collated by Anne van Kesteren.

Posted 16th June 2007 at 12:31 am

Recent articles

V&A East Storehouse and Operation Mincemeat in London - 27th August 2025
The Summer of Johann: prompt injections as far as the eye can see - 15th August 2025
Open weight LLMs exhibit inconsistent performance across providers - 15th August 2025

annevankesteren 5 html 89 html5 83

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