A unified advertising platform combining header bidding, direct deals, and innovative ad formats for publishers. Red Volcano tracks 117,331 publisher websites using OneTag, with data refreshed weekly from proprietary crawlers.
The highest-ranked websites using OneTag, sorted by global traffic rank. Technology detection is based on Red Volcano's weekly crawl of ads.txt files, header bidding configurations, and JavaScript tag analysis.
| # | Domain | Global Rank | Monthly Pageviews | Country | Category |
|---|---|---|---|---|---|
| 1 | espn.com | #89 | 511,589,368 | United States | Sports |
| 2 | cnn.com | #104 | 490,866,410 | United States | News And Media |
| 3 | shopify.com | #112 | 225,792,302 | United States | Business And Consumer Services |
| 4 | craigslist.org | #138 | 113,939,213 | United States | E-Commerce And Shopping |
| 5 | wp.pl | #161 | 188,272,433 | Poland | News And Media |
| 6 | dailymotion.com | #191 | 230,839,608 | India | Arts And Entertainment |
| 7 | poki.com | #197 | 178,204,671 | United States | Games |
| 8 | dailymail.co.uk | #232 | 216,091,245 | United Kingdom | News And Media |
| 9 | freepik.com | #268 | 105,550,673 | India | Arts And Entertainment |
| 10 | soundcloud.com | #299 | 123,194,273 | United States | Arts And Entertainment |
| 11 | trilltrill.jp | #318 | 184,689,066 | Japan | Food And Drink |
| 12 | gismeteo.ru | #336 | 143,681,281 | Russia | Science And Education |
| 13 | ndtv.com | #346 | 108,834,021 | India | News And Media |
| 14 | n-tv.de | #368 | 149,858,916 | Germany | News And Media |
| 15 | repubblica.it | #392 | 122,115,214 | Italy | News And Media |
| 16 | libero.it | #421 | 61,390,923 | Italy | News And Media |
| 17 | goodreturns.in | #440 | 141,471,724 | India | Finance |
| 18 | news18.com | #468 | 113,187,209 | India | News And Media |
| 19 | donga.com | #481 | 62,624,331 | South Korea | News And Media |
| 20 | apnews.com | #505 | 114,184,974 | United States | News And Media |
| 21 | nikkansports.com | #549 | 88,264,400 | Japan | Sports |
| 22 | lokmat.com | #567 | 84,490,298 | India | News And Media |
| 23 | news.nate.com | #589 | 64,690,147 | South Korea | News And Media |
| 24 | autotrader.co.uk | #605 | 40,239,419 | United Kingdom | Vehicles |
| 25 | sozcu.com.tr | #617 | 73,008,221 | Turkey | News And Media |
| 26 | reuters.com | #632 | 97,243,469 | United States | News And Media |
| 27 | sofascore.com | #649 | 82,221,531 | Brazil | Sports |
| 28 | o2.pl | #650 | 64,679,751 | Poland | News And Media |
| 29 | ign.com | #651 | 91,658,373 | United States | Games |
| 30 | td.com | #683 | 43,307,590 | Canada | Finance |
| 31 | flashscore.com | #709 | 51,982,989 | Indonesia | Sports |
| 32 | protothema.gr | #713 | 91,243,523 | Country 300 | News And Media |
| 33 | lanacion.com.ar | #720 | 76,130,143 | Argentina | News And Media |
| 34 | mundodeportivo.com | #727 | 74,812,353 | Spain | Sports |
| 35 | immobilienscout24.de | #754 | 38,919,686 | Germany | Business And Consumer Services |
| 36 | oricon.co.jp | #768 | 68,400,675 | Japan | Arts And Entertainment |
| 37 | hltv.org | #772 | 55,045,999 | Russia | Games |
| 38 | markt.de | #804 | 36,447,128 | Germany | E-Commerce And Shopping |
| 39 | 3bmeteo.com | #860 | 67,456,206 | Italy | Science And Education |
| 40 | magazineluiza.com.br | #873 | 49,744,980 | Brazil | E-Commerce And Shopping |
| 41 | ilmeteo.it | #874 | 57,138,289 | Italy | Science And Education |
| 42 | bhaskar.com | #889 | 67,070,721 | India | News And Media |
| 43 | coinmarketcap.com | #920 | 73,636,405 | United States | Crypto And Blockchain |
| 44 | olx.in | #922 | 34,611,251 | India | E-Commerce And Shopping |
| 45 | navitime.co.jp | #938 | 56,382,855 | Japan | Travel And Tourism |
| 46 | merkur.de | #954 | 61,531,461 | Germany | News And Media |
| 47 | riotgames.com | #956 | 49,694,548 | United States | Games |
| 48 | ilfattoquotidiano.it | #957 | 58,772,775 | Italy | News And Media |
| 49 | sport.es | #983 | 71,390,853 | Spain | Sports |
| 50 | flightaware.com | #999 | 54,012,237 | United States | Travel And Tourism |
Want the full list of 117,331 sites using OneTag? Filter, export, and monitor.
Book a Demo →Geographic distribution of OneTag adoption across publisher websites. Shows the top markets where publishers have integrated this technology.
Which content categories show the highest adoption of OneTag. Understanding vertical distribution helps SSPs and ad networks identify where this technology is most prevalent.
The most common SSP and monetization partnerships among publishers using OneTag, based on ads.txt and sellers.json analysis.
Red Volcano provides complete data on all 117,331 publishers using OneTag — with filters by country, vertical, traffic, and SSP relationships. Export lists, set up monitoring alerts, and access via API.
According to Red Volcano's data, 117,331 publisher websites currently use OneTag. This number is updated weekly based on our proprietary web crawlers that scan ads.txt files, JavaScript tags, and header bidding configurations across 32M+ websites.
The highest adoption of OneTag is in United States, followed by other major digital advertising markets. Red Volcano tracks geographic distribution across 190+ countries, with detailed breakdowns available through our platform.
Publishers using OneTag most commonly also use TheMediaGrid, Sovrn, Index Exchange, PubMatic, 33Across. These co-occurring technologies indicate the typical header bidding and monetization stack of publishers in this segment.
The most common publisher vertical using OneTag is News And Media. Red Volcano provides detailed category breakdowns showing adoption patterns across news, entertainment, sports, technology, and dozens of other verticals.
Red Volcano detects OneTag through a combination of ads.txt analysis, JavaScript header bidding wrapper detection, sellers.json cross-referencing, and proprietary crawler technology. Our data is refreshed weekly to ensure accuracy.