yURL is a CLI (Command-Line Interface) and webapp that allows you to validate whether a URL is properly configured for Universal Links. This allows you to check if the apple-app-site-association (AASA) file exists and is in the proper format as defined by Apple.
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.