Hi,
Click performance Report includes both valid and invalid clicks. If you see
a difference in the total number of clicks in Click Performance Report and
the value from the Clicks field in Campaign Performance Report, it's most
likely because some clicks were considered invalid
Basically the number of individual clicks in Click Performance Report is
higher than the number of reported clicks in Criteria Performance Report.
We compare the number of entries in Click Performance Report, that refer
to a specific (CampaignId, AdGroupId, KeywordId) and falls inside
