Ads.txt Usage

Statistics for websites using Ads.txt technologies

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

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Name 10k 100k Million Entire Web
Ads.txt 1,914 9,418 36,640 791,879
Google Direct 1,773 8,700 32,996 713,123
AppNexus Reseller 1,539 6,801 18,823 406,810
OpenX Reseller 1,405 6,295 16,802 363,132
Google Reseller 1,350 6,003 18,537 400,629
SpotXChange Reseller 1,239 5,779 15,074 325,785
RubiconProject Reseller 1,201 5,192 15,824 341,995
AOL Reseller 1,200 5,097 14,055 303,762
ContextWeb Reseller 1,194 5,015 14,634 316,276
PubMatic Reseller 1,193 5,337 15,175 327,968

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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.