Main use
Option A
Browser identity
Option B
Installed app identity
FAQ Guide
Favicons identify a website in browser contexts, while app icons are broader platform assets for launchers, stores, and installed experiences.
Browser identity
Installed app identity
Small and varied
Larger platform sets
Too much detail
Unsafe edge padding
Yes, but export and padding need to be tested separately for each context.
The source may be too detailed or not optimized for small sizes.
Review the icon at tiny browser sizes and larger installed-app sizes.