A Favicon is a minimized image that loads in the browser bar. Genesis has a built in feature for setting a site-image / favicon:
Admin -> Customize -> Site Identity -> Site Icon
This will automatically create the various sizes and specify them in the source code.
The default icon used for Feast themes is a stylized heart. If you do not set a custom favicon, this will be used.
You can find more information about favicons at: https://en.wikipedia.org/wiki/Favicon
- Use a simple design, which compresses easily
- Use a transparent background (png or gif)
- Use a square image
Note: icons will be created up to 512×512 px, but large icons aren’t really in use at the moment. The most frequent sizes people will see are 16×16, 32×32, and 128×128, so make sure the image looks good in these sizes.
Here is the documentation from WordPress on creating a favicon: https://codex.wordpress.org/Creating_a_Favicon
Note that this is unnecessary, and we don’t recommend this method, if using the Genesis method.