The history of Google Analytics

Classic Analytics ——Universal Analytics——Global Site Tag——Google Analytics 4

Google Analytics is a product that Google acquired from other companies.


In April 2015, Google acquired Urchin Software Corp, forming Google Analytics.


Since then, Google Analytics has undergone four major versions of changes.

  • Google Analytics released in 2005 is called Classic Analytics, or GA1.
  • Universal Analytics was released in 2012. It can be called GA2.
  • Global Site Tag was released in 2017. It can be called GA3.
  • Google Analytics 4 will be released in 2020. Referred to as GA4.

The relationship between them is as follows:


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