Simon Willison’s Weblog

HTML5 video markup, compatibility and playback. Everything you need to know about embedding HTML5 video on a page, complete with multiple codecs to cover the various supporting browsers and a fallback to Flash.

Posted 11th February 2010 at 5:49 pm

Recent articles

Vibe engineering - 7th October 2025
OpenAI DevDay 2025 live blog - 6th October 2025
Embracing the parallel coding agent lifestyle - 5th October 2025

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