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

The Axios supply chain attack used individually targeted social engineering - 3rd April 2026
Highlights from my conversation about agentic engineering on Lenny's Podcast - 2nd April 2026
Mr. Chatterbox is a (weak) Victorian-era ethically trained model you can run on your own computer - 30th March 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