extension ExtPose

Adstxter – Ads.txt Seller Tester

CRX id


Description from extension meta

Check your sellers’ ads.txt authorization on any website

Image from store Adstxter – Ads.txt Seller Tester
Description from store Adstxter is a lightweight tool for detecting missing sellers in ads.txt files. It provides a one-click test for the presence of specified sellers. The test is run on the currently open site. Sellers for testing are defined in the input field of the Adstxter window. Entered sellers are saved across browser sessions until replaced or removed. Adstxter is inactive and not using system resources when its window is not open. This ensures minimal system load and no intrusion into the browser usage. The implementation of the testing follows the IAB Tech Lab's ads.txt specification. Checking ads.txt files on subdomains is currently not implemented. Source code available on https://github.com/lusitdev/Adstxter

Latest reviews

  • (2020-08-14) Paweł Kidawa: Very helpful and working without any mistakes :-)


10 history
0.0 (0 votes)
Last update / version
2020-12-01 / 0.1.0
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