How To Use an Emoji as a Favicon Easily

Using Emojis as Favicons: A Clever Hack

Lea Verou's ingenious idea of using emojis as favicons is now a reality, thanks to browser support for SVG favicons. Simply embed an emoji within an SVG <text></text> element, and you're good to go!

Here's the concise code snippet:

<link href="data:image/svg%20xml,<svg%20xmlns=" http: viewbox="0 0 100 100"><text y=".9em" font-size="90">?</text>" rel="icon">

Demo & Browser Compatibility:

A demonstration project showcases this technique in action. It functions correctly in Chrome and Firefox. Safari's SVG favicon support is limited to "mask" style icons, so this method may not work there (further experimentation encouraged!). A short video demonstration is also available.

Further Exploration:

This technique opens up exciting possibilities:

• Dynamic Badges: Ada Rose Cannon's work demonstrates adding incrementing badges to favicons.
• Git Branch Indicators: Taylor Hunt's code uses the current Git branch name to generate dynamic SVG favicons, useful for development environments.
• Dark Mode Support: Incorporating prefers-color-scheme media queries within the SVG allows for customized favicons based on the user's system settings (although emojis generally adapt well to various backgrounds).

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