What is a favicon?
The small icon next to a site's name in browser tabs, bookmarks and search results. A favicon makes a site look more trustworthy and easier to find among many tabs.
Files you need
favicon.ico(with 16·32·48px) — all browsersapple-touch-icon.png(180px) — iPhone home screenicon-192.png,icon-512.png— Android, web apps
Code to add to your HTML
<link rel="icon" href="/favicon.ico" sizes="any"><link rel="apple-touch-icon" href="/apple-touch-icon.png">