Adding a favicon to your site is pretty quick & easy, also helps users identify your site when they have multiple tabs open in their browser.
- Login to your WordPress admin
- Go to Appearance > Customize (screenshot)
- Click “Site Identity” > find “Site Icon” (screenshot)
- Upload your created favicon, recommended is 512×512 in PNG format
- Click “Publish” in the top right (screenshot)
- That’s it, you’re all set!
Few articles on Favicons: