Ads.txt Usage

Statistics for websites using Ads.txt technologies

Ads.txt
Google Direct
AppNexus Reseller
Google Reseller
PubMatic Reseller
SpotXChange Reseller
AOL Reseller
IndexExchange Reseller
OpenX Reseller
RubiconProject Reseller

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Name 10k 100k Million Entire Web
Ads.txt 2,434 11,177 48,370 2,456,409
Google Direct 2,300 10,426 43,951 2,231,996
AppNexus Reseller 1,972 8,474 29,616 1,504,011
Google Reseller 1,928 8,247 26,467 1,344,093
OpenX Reseller 1,834 7,100 24,534 1,245,928
IndexExchange Reseller 1,743 7,191 20,963 1,064,579
PubMatic Reseller 1,736 7,445 23,007 1,168,381
AOL Reseller 1,726 7,269 21,033 1,068,134
SpotXChange Reseller 1,681 7,269 23,387 1,187,679
RubiconProject Reseller 1,666 6,424 21,696 1,101,803

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Ads.txt is the IAB's method of increasing transparency in the programmatic advertising space. A file called ads.txt is added to the website which lists the authorized digital sellers for the website where the file is found.