C1
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Revision as of 18:56, 5 February 2026 by Admin (talk | contribs) (Created page with "<code>c1</code> is the Query String variable which previously was usedto capture the inbound Landing Category for an advertising campaign. It use can since been deprec...")
c1 is the Query String variable which previously was usedto capture the inbound Landing Category for an advertising campaign. It use can since been deprecated.
Common synonyms can be also used:
When it appears in a URL:
https://www.example.com?c1=PPC