How The Tech Site XDA Developers Solved The Mystery Of The Shadow Blocklist – And Got Its Ad Revenue Back
When Google’s DSP DV360 stopped buying on the tech site XDA Developers, revenue dropped 30% overnight. The site soon realized it was on a “shadow blocklist,” where buyers don’t reveal why they stop bidding on a site, to prevent nefarious publishers from skirting the rules. It took almost six months of guesswork and methodical changes […]