Possibly a typo in the ad unit name (learn more about ad units here). DFP could not attribute the impression. Step 1: Audit the ad…
Step 1: Run a DFP Yield Report to see which ad units are getting the most unfilled impressions Step 2: Audit the Div IDs/Slot IDs…
Step 1: Check with the account rep if demand dropped and make sure that the domain is not blacklisted Step 2: Check if other publishers…
Example: Header Bidding impressions dropped compared to the same day for the previous week. Step 1: Check the average IPP (impressions per pageview) for any…
Step 1: Log into tools.monetizemore.com > PGHB > Configurations Step 2: Search for the relevant configuration Step 3: Check the slot field in the configuration…