Simon Willison’s Weblog

11th February 2010 - Link Blog

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

Live blog: Code w/ Claude 2026 - 6th May 2026
Vibe coding and agentic engineering are getting closer than I'd like - 6th May 2026
LLM 0.32a0 is a major backwards-compatible refactor - 29th April 2026

This is a link post by Simon Willison, posted on 11th February 2010.

flash 69 html5 84 niall-kennedy 9 video 33

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe