How To Add (Favicon) Page-Title Icon of the Website, Android, Desktop App

Header Link = link rel="shortcut icon" href="images/favicon.ico" /

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A favicon /ˈfæv.ɪˌkɒn/ (short for favorite icon), also known as a shortcut icon, website icon, tab icon, URL icon, or bookmark icon, is a file containing one or more small icons,[1] associated with a particular website or web page.[1][2] A web designer can create such an icon and upload it to a website (or web page) by several means, and graphical web browsers will then make use of it.[3] Browsers that provide favicon support typically display a page's favicon in the browser's address bar (sometimes in the history as well) and next to the page's name in a list of bookmarks.[3] Browsers that support a tabbed document interface typically show a page's favicon next to the page's title on the tab, and site-specific browsers use the favicon as a desktop icon.