A Tasty Treats Podcast for Web Developers.

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Wes Bos

Wes Bos

Full Stack JavaScript Developer. Creator of really good web development courses. BBQ enthusiast.

Scott Tolinski

Scott Tolinski

Web Developer, Creator of Level Up Tuts, Bboy, Robotops Crew and Youtuber

Playing: 373: Hasty Treat - The Surprisingly Exciting World of Favicons

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LOUDNESS

Jul 26th, 2021

Hasty Treat - The Surprisingly Exciting World of Favicons

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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
    <link rel="apple-touch-icon" sizes="57x57" href="/apple-icon-57x57.png">
    <link rel="apple-touch-icon" sizes="60x60" href="/apple-icon-60x60.png">
    <link rel="apple-touch-icon" sizes="72x72" href="/apple-icon-72x72.png">
    <link rel="apple-touch-icon" sizes="76x76" href="/apple-icon-76x76.png">
    <link rel="apple-touch-icon" sizes="114x114" href="/apple-icon-114x114.png">
    <link rel="apple-touch-icon" sizes="120x120" href="/apple-icon-120x120.png">
    <link rel="apple-touch-icon" sizes="144x144" href="/apple-icon-144x144.png">
    <link rel="apple-touch-icon" sizes="152x152" href="/apple-icon-152x152.png">
    <link rel="apple-touch-icon" sizes="180x180" href="/apple-icon-180x180.png">
    <link rel="icon" type="image/png" sizes="192x192"  href="/android-icon-192x192.png">
    <link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png">
    <link rel="icon" type="image/png" sizes="96x96" href="/favicon-96x96.png">
    <link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png">
    <link rel="manifest" href="/manifest.json">
    <meta name="msapplication-TileColor" content="#ffffff">
    <meta name="msapplication-TileImage" content="/ms-icon-144x144.png">
    <meta name="theme-color" content="#ffffff">
    

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

  • <meta name="theme-color" content="#ffffff">
  • Isn't there a new Safari version?

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