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ads.txt / app-ads.txt health check: structure, duplicates and unknown ad systems, with deeper sellers.json analysis by Adtimizer. Adtimizer's ads.txt analyzer gives you an instant health check on any ads.txt or app-ads.txt file. Open a publisher's ads.txt or app-ads.txt page and the extension automatically: • Validates the file structure against the IAB ads.txt spec • Flags duplicate entries • Detects unknown / unrecognized ad systems • Gives the file a 0–100 health score All of this runs locally in your browser — no data leaves your device. Want more? One click on "Deeper analysis" cross-references every entry against sellers.json data to surface unverified sellers, DIRECT/RESELLER type mismatches, and confidential records. Built by Adtimizer — the transparency layer for programmatic revenue. https://www.adtimizer.co
Jul 13, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.