144x144 pixels For best results the icon should be transparent and sized at 144x144 pixels.Jul 8, 2014
Favicon backup for msapplication-TileImage on Windows 8 ...
https://convertio.co/png-svg/
https://realfavicongenerator.net/
https://web.dev/add-manifest/#splash-screen
https://mobiforge.com/design-development/adding-favicons-in-a-multi-browser-multi-platform-world
safari pinned tab icon size
https://www.pathinteractive.com/blog/design-development/how-to-generate-and-implement-favicons-for-brands/
https://developer.apple.com/library/archive/documentation/AppleApplications/Reference/SafariWebContent/pinnedTabs/pinnedTabs.html
site.webmanifest
{"name":"Ashish Sharma","short_name":"AS","icons":[{"src":"/android-chrome-192x192-ashish-sharma-ashish-page.png","sizes":"192x192","type":"image/png"},{"src":"/android-chrome-512x512-ashish-sharma-ashish-page.png","sizes":"512x512","type":"image/png"}],"theme_color":"#000cff","background_color":"#ffffff","display":"standalone"}