What is Ads.txt?
Ads.txt is a security protocol developed by the industry to help protect ad providers and publishers like you from bad ads and from scammers who want to scrape your ads. It’s simply a text file with a list of all your authorized ad providers with IDs that lets them know that they’re serving an ad to your site, and your site alone. And for you – you can rest assured knowing that we’ve approved each and every provider in our listing.
These lines might look random, but they give our network and our providers specific information about SHE Media’s relationship with the providers.
In my case, the above message appeared spontaneously on June 6th. This message is self explanatory. It means that we have not added an ads.txt file to one or more of our websites. Google strongly recommend that we use an ads.txt file. It can help buyers identify counterfeit inventory and help us receive more advertiser spend that might have otherwise gone toward that counterfeit inventory.
This actually, happened to me when I happen to implement Ads.txt file on recommendation from Media.net, when I signed up with them. The day I implemented couple of Media.net ad units and Ads.txt file at the root of my domain.
The next morning, upon checking saw my Adsense revenue was zero for the day, which is bad since as a publisher each lost impression costs your hard work. And their was a warning saying –
Earnings at risk – One or more of your ads.txt files doesn’t contain your AdSense publisher ID. Fix this now to avoid severe impact to your revenue.
Upon investigating my website, I could see all the Adsense Ad Units stopped serving and ad positions happen to be blank or serving Media.net ads through the backups set in my Adsense account.
At this point, I decided to actually dig a bit more to understand what’s an Ads.txt file and what its used for ?
What is Ads.txt ?
Ads.txt stands for Authorised Digital Sellers and is an IAB (Internet Advertising Bureau) standard used by the advertising community.
Ads.txt specifies a mechanism for publishers to list their authorised digital sellers, in order to fight against fraud and misrepresented domains.