Infographic Text
Ads.txt —> Authenticates Sellers
Ensures only verified partners are selling a publisher’s inventory
Declaration: publisher declares authorized partners
Supply Side Verification: ads.txt crawler makes sure ads.txt file is in place
YES, bid request sent
NO, bid request not sent
Demand Side Verification: after bid request, DSP crawls ads.txt data to verify SSP1 is an authorized partner.
Ads.cert —> Authenticates Inventory
Ensures inventory is real and unaltered
Key and Signature sent: SSP builds a bid request, generates a signature and attaches it to the bid request.
Signature Cross Check: DSPs use public key to generate authorized signature and cross check it.
Partner is authorized to sell.
Inventory is authentic and unmodified.
All the players in ad tech are now well aware that the resulting lack of transparency surrounding ad and ad inventory quality is taking its toll on the industry. The creation of ads.txt and ads.cert prove that everyone has finally come together to take a stand against fraud.