Mastering Favicons: Technical Insights

In this Hasty Treat, Scott and Wes talk about favicons. Favicons are a bit of mystery and something people don’t talk about that often.

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Show Notes

03:48 - What are favicons?

• Requesting favicons by default /favicon.ico

07:38 - Sizing favicons

• 16x16 is OG - don’t do that now
• You can specify multiple sizes

09:41 - File formats

• .ico files
• .png favicons

13:40 - Animated favicons

• Canvas Base64

11:36 - SVG favicons

17:19 - Dark mode favicons

18:55 - App Coloring

• Isn’t there a new Safari version?

Links

• https://en.wikipedia.org/wiki/Favicon
• https://caniuse.com/
• https://keycode.info/
• https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/manifest.json/icons
• https://fav.farm/
• https://deno.land/
• https://uses.tech/
• Missive

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