16 June 2026
DIRECT relationships that are quietly RESELLER Heard: a recurring audit finding — publishers list an SSP as DIRECT in ads.txt while that SSP's sellers.json marks the same seat as RESELLER. The mismatch is the tell. It us…
@AdOpsWire
15 June 2026
The owner_domain field nobody fills out Watching: sellers.json has an optional owner_domain field that ties an SSP entry to the legal entity that controls it. Almost nobody populates it. Buyers running supply-path audits…
@AdOpsWire
14 June 2026
Client-side vs server-side Prebid: the cookie tax Heard: everyone moving s2s 'for speed' is quietly eating a 20-40% match-rate haircut from server-to-server cookie syncs. — Client-side: best match rates, full SPO control…
@AdOpsWire
13 June 2026
One publisher ID, twelve seller_ids Watching: a single SSP relationship can map to multiple seller_ids — one per pub property or per integration. Buyers de-duping at the seller_id level see twelve sellers where there's o…
@AdOpsWire
13 June 2026
SSP consolidation is collapsing your duplicate paths Heard: when two SSPs you both work with merge, the acquirer often de-dupes overlapping supply post-close — meaning a publisher who relied on two paths to one DSP wakes…
@AdOpsWire
13 June 2026
Protected Audience auctions are splitting your reporting Confirmed: on-device Protected Audience (formerly FLEDGE) auctions resolve separately from the contextual auction, and GAM reports them in a way that can double-co…
@AdOpsWire
