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Set up Google Analytics

Measure user interaction with websites or web apps.
gtag.js analytics.js AMP HTML Google Analytics 4 properties
Measure user interaction with mobile apps.
Android iOS
Measure user interaction in any environment.
Measurement Protocol Measurement Protocol Google Analytics 4

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Legacy collection libraries

Classic Google Analytics.
ga.js
Previous versions of mobile SDKs.
Android v4 Android v3 Android v2 Android v1 iOS v3 iOS v2 iOS v1 Unity v4 Unity v3
Legacy libraries targeting various platforms.
Flash/Flex Silverlight