The market added 435.4k new ads.txt lines and removed 436.3k, for a net change of -881. With additions and removals now nearly balanced, the supply chain has shifted from expansion to optimization. This reflects a market reaching equilibrium after sustained growth.
- Reseller entries turned negative at -1,718 net, while direct stayed nearly flat at +837. Publishers are removing intermediary paths while protecting direct relationships that drive revenue. For reseller-dependent SSPs, visibility now matters more than ever.
- Direct staying flat during a contraction month shows publishers are making targeted cuts, removing reseller paths that duplicate direct relationships. SSPs with a clear, differentiated role are best positioned to remain.
The changes in the ads.txt lines show notable improvements compared to previous months. Here are some top SSPs that have gained a good number of new lines.
- TrustedStack led all SSPs with +6.6k lines, reflecting steady publisher adoption over the past year. In a month focused on optimization, its omnichannel platform helps publishers consolidate demand through a single supply path.
- Adform ranked third, strengthened by its partnership with Permutive to activate first-party data across multiple identity solutions. As cookie reliance declines, this makes Adform a stronger direct supply path for publishers.
Want to know more? Please download the full report for a detailed breakdown.
Your Invite to the Smarter Side of LinkedIn
