GA Beacon is a lightweight tracking proxy for pages that can display images but cannot run Google Analytics JavaScript. A page embeds a badge or transparent pixel whose URL identifies the analytics property and a meaningful tracking path. The service receives that image request, generates a visitor identifier, and forwards the hit through the Google Analytics Measurement Protocol. Cookies allow it to distinguish repeat visits without requiring client-side scripts. It can derive paths from referral data and offers several badge or pixel display modes. The public App Engine endpoint is intended mainly for demonstrations and prototypes. ...