What is Google Click Identifier or gclid?

Gclid stands for Google Click Identifier. This parameter uses in Google Adwords. Google uses this to track the Adword click and their conversion using Google Analytic.

So gclid is just a parameter which uses with Google Analytic. It’s encoded value. In gclid google store the click time and adwords data which uses in Google Adwords Report.

So gclid is auto-tagging parameter, which is encoded with hash value and that map back to a specific AdWords.

This will be something like this:


gclid can contains the following values:

  • Campaign like UTM Source, keywords etc.
  • AdGroup
  • Search Query and many more..