I recently discovered that Google’s testing a fascinating new feature in Search ads. They’re incorporating third-party endorsements, complete with publisher logos and quotes, to offer a layer of external validation for paid results.
This experiment places brief endorsements from external publishers right under the ad description, showcasing the third party’s name, logo, and favicon.
What’s showing up. I first spotted this test when Sarah Blocksidge, Marketing Director at Sixth City Marketing, shared a screenshot on Mastodon. In that example, a Search ad included the line “Best for Frequent Travelers,” attributed to PCMag, along with the publication’s favicon.

The endorsement is positioned directly beneath the ad copy, making it visually distinct from the standard text written by advertisers.
Why we care. If this feature is expanded, it could transform Search ads to mirror product reviews more closely, potentially granting advertisers with substantial third-party validation an edge in highly competitive auctions.
What Google says. A spokesperson from Google Ads confirmed that this is a “small experiment” being conducted:

- “This is a small experiment we are currently running that explores placing third-party endorsement content on Search ads.”
However, Google hasn’t revealed any specific details regarding eligibility, the content sourcing process, or how endorsements are chosen.
What we don’t know yet. It’s not yet clear if advertisers will be able to opt into this feature, request specific endorsements, or influence which third-party sources are displayed. Google hasn’t clarified whether this test is linked to existing review extensions, publisher partnerships, or other trust and safety initiatives.
What to watch. Should Google decide to broaden this experiment, the prominence of third-party credibility could significantly impact ad performance, shifting focus from advertiser claims to external validation at the search stage.
For the moment, this intriguing test is limited, but it offers a glimpse into how Google might continue to merge ads, trust signals, and editorial-style context within search results.
Dig Deeper. Screenshot shared on Mastodon.
Inspired by this post on Search Engine Land.


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