Universal Analytics sent a notification "Property XXXX is receiving hits with
utm_term parameters of the same text but different letter cases" (e.g. MY term, my term, My Term) and proposed to set up a lowercase filter for Campaign Term, which I did.
After one week, the
Keyword column in
Paid Keyword view keeps showing a couple of lines with mixed cases.
Moreover, if in the
All Campaigns you select
Keyword as a Primary Dimension it shows many more mixed cases words that came from some non-paid campaigns
I checked actual URLs in BigQuery. All these words that appear in the
Keyword column do come as
Why did not Campaign Term lowercase filter change my data?