BACKGROUND: While exploring the benefits and implementation of campaign tracking I stumbled across five different tracking parameters including
I also discovered that there is a limit (two) on the number of tracking parameters that one can send to the Matomo server with a single single HTTP request.
Further in all of the examples that I found only two of the five possible parameters were ever used – namely, pk_campaign and pk_kwd.
QUESTION ONE: How does one know which two parameters to use, and if the pk_campaign and pk_kwd are recommended, in what situation are any of the other three parameters used?
QUESTION TWO: In which data table are the pk_ parameters stored?