Type a couple of letters, drop in a logo, or pick an emoji. Download every file your site needs, in one tidy ZIP. No clutter, no pop-ups, and nothing ever leaves your browser.
Unzip it and you will find seven files: the icons plus site.webmanifest.
Drop every file in the top folder, next to your index.html.
Add the snippet above inside your <head>, then refresh. Done.
Now and then I share small, sharp tools and what actually worked when shipping them. No spam, leave whenever you like.