Technology

Now is the time to add ads.txt

February 8, 2018
By John Clyman

Whether you’re a blog, local news site, or a premium publisher, now is the time to add an ads.txt file to your site. Ads.txt (Authorized Digital Sellers) is the industry-standard way for publishers to safeguard against counterfeiting and unauthorized resale. Without it, bad actors can sell your inventory without permission or spoof a domain to line their own pockets instead of yours. Ads.txt gives sellers greater control over who can sell their inventory while assuring buyers that they are purchasing genuine inventory from a trusted source.

Heading into 2018, we expect to see major buyers starting to buy only on web inventory that is protected by ads.txt. When that happens, sites that lack ads.txt files could start to see their revenue decline! That’s why it is important to get ahead of the game and publish it now. Here is a chart that depicts what we expect will happen to sellers this year who haven’t published an ads.txt file.

Add Rubicon Project as a trusted seller in your ads.txt

Rubicon Project works with hundreds of leading DSPs and trading desks, and the tens of thousands of advertisers they represent. By adding an ads.txt file with Rubicon Project to your domain, you’re positioning yourself to ensure you get all the revenue you deserve and helping to make fraud uneconomical for bad actors in the ecosystem.

For sellers who own and operate their own sites:

Sellers looking to add Rubicon Project to the list of trusted partners should publish an ads.txt file in the root of all domains (but not subdomains) which sell inventory directly to Rubicon Project. If you have multiple Rubicon Project accounts, insert a separate line for each individual account.

For authorized inventory resellers:

Ask the operator of each site you work with to add an ads.txt file in the root of all domains (but not subdomains) where you are authorized to sell inventory. If you have multiple Rubicon Project accounts, insert a separate line for each individual account.


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