Right-click the website icon and from the bottom menu ... Anand Khanse is the Admin of TheWindowsClub.com, a 10-year Microsoft MVP (2006-16) & a Windows Insider MVP (2016-2022).
Some popular web browsers like Google Chrome and Microsoft Edge also support the screen casting feature. Adding cast icon to the Edge Toolbar using browser settings. Adding cast icon to the Edge ...
You can see the difference between the two sets of icons in the screenshot below. Microsoft updates Windows 11's widgets using the so-called Windows Web Experience Pack from the Microsoft Store.