Simon Willison’s Weblog

4th December 2017 - Link Blog

Evolution of <img>: Gif without the GIF (via) Safari Technology Preview lets you use <img src="movie.mp4">, for high quality animated gifs in 1/14th of the file size.

Posted 4th December 2017 at 7:28 pm

Recent articles

The new GPT-5.6 family: Luna, Terra, Sol - 9th July 2026
sqlite-utils 4.0, now with database schema migrations - 7th July 2026
sqlite-utils 4.0rc2, mostly written by Claude Fable (for about $149.25) - 5th July 2026

This is a link post by Simon Willison, posted on 4th December 2017.

gifs 4 safari 69 video 33

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