A high-impact advertising company providing premium creative formats and header bidding demand. Red Volcano tracks 38,269 publisher websites using Undertone, with data refreshed weekly from proprietary crawlers.
The highest-ranked websites using Undertone, 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 | ebay.com | #42 | 666,753,176 | United States | E-Commerce And Shopping |
| 2 | ya.ru | #83 | 458,178,998 | Russia | Computers Electronics And Technology |
| 3 | craigslist.org | #138 | 113,939,213 | United States | E-Commerce And Shopping |
| 4 | shopee.co.id | #209 | 133,256,689 | Indonesia | E-Commerce And Shopping |
| 5 | genius.com | #241 | 177,962,909 | United States | Arts And Entertainment |
| 6 | soundcloud.com | #299 | 123,194,273 | United States | Arts And Entertainment |
| 7 | usatoday.com | #390 | 133,435,865 | United States | News And Media |
| 8 | repubblica.it | #392 | 122,115,214 | Italy | News And Media |
| 9 | poshmark.com | #503 | 66,564,372 | United States | E-Commerce And Shopping |
| 10 | apnews.com | #505 | 114,184,974 | United States | News And Media |
| 11 | economictimes.com | #522 | 108,769,055 | India | Finance |
| 12 | discogs.com | #548 | 44,190,574 | United States | Arts And Entertainment |
| 13 | hindustantimes.com | #562 | 100,229,186 | India | News And Media |
| 14 | nbcnews.com | #577 | 107,507,356 | United States | News And Media |
| 15 | 5ch.net | #601 | 87,229,666 | Japan | Games |
| 16 | reuters.com | #632 | 97,243,469 | United States | News And Media |
| 17 | sofascore.com | #649 | 82,221,531 | Brazil | Sports |
| 18 | flashscore.com | #709 | 51,982,989 | Indonesia | Sports |
| 19 | protothema.gr | #713 | 91,243,523 | Country 300 | News And Media |
| 20 | businessinsider.com | #751 | 78,258,818 | United States | News And Media |
| 21 | hltv.org | #772 | 55,045,999 | Russia | Games |
| 22 | merriam-webster.com | #895 | 57,944,524 | United States | Reference Materials |
| 23 | futbin.com | #912 | 38,790,563 | United States | Games |
| 24 | npr.org | #964 | 70,778,570 | United States | Arts And Entertainment |
| 25 | flightaware.com | #999 | 54,012,237 | United States | Travel And Tourism |
| 26 | wetteronline.de | #1,058 | 50,656,268 | Germany | Science And Education |
| 27 | rediff.com | #1,059 | 46,127,978 | India | News And Media |
| 28 | chunkbase.com | #1,064 | 23,791,797 | United States | Games |
| 29 | zoopla.co.uk | #1,100 | 29,483,105 | United Kingdom | Business And Consumer Services |
| 30 | jeuxvideo.com | #1,171 | 32,807,274 | France | Games |
| 31 | 247sports.com | #1,195 | 42,097,545 | United States | Sports |
| 32 | thehill.com | #1,216 | 56,803,443 | United States | News And Media |
| 33 | cbssports.com | #1,267 | 49,606,514 | United States | Sports |
| 34 | lastampa.it | #1,273 | 49,479,452 | Italy | News And Media |
| 35 | kooora.com | #1,292 | 45,223,398 | Country 504 | Sports |
| 36 | ladepeche.fr | #1,304 | 48,825,841 | France | News And Media |
| 37 | fandango.com | #1,365 | 28,771,530 | United States | Arts And Entertainment |
| 38 | asda.com | #1,391 | 28,470,713 | United Kingdom | Food And Drink |
| 39 | recipetineats.com | #1,393 | 40,838,721 | Australia | Food And Drink |
| 40 | last.fm | #1,448 | 28,013,579 | United States | Arts And Entertainment |
| 41 | word.tips | #1,520 | 31,539,334 | United States | Reference Materials |
| 42 | bbcgoodfood.com | #1,583 | 39,840,793 | United Kingdom | Food And Drink |
| 43 | anime-sama.fr | #1,598 | 861,883 | France | Arts And Entertainment |
| 44 | appfolio.com | #1,648 | 20,907,978 | United States | Business And Consumer Services |
| 45 | u.gg | #1,650 | 37,231,158 | United States | Games |
| 46 | tinyurl.com | #1,660 | 43,020,756 | India | Computers Electronics And Technology |
| 47 | flashscore.pl | #1,702 | 27,663,251 | Poland | Sports |
| 48 | midilibre.fr | #1,708 | 37,327,753 | France | News And Media |
| 49 | ekstrabladet.dk | #1,818 | 28,697,961 | Denmark | News And Media |
| 50 | otodom.pl | #1,912 | 19,659,429 | Poland | Business And Consumer Services |
Want the full list of 38,269 sites using Undertone? Filter, export, and monitor.
Book a Demo →Geographic distribution of Undertone adoption across publisher websites. Shows the top markets where publishers have integrated this technology.
Which content categories show the highest adoption of Undertone. 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 Undertone, based on ads.txt and sellers.json analysis.
Red Volcano provides complete data on all 38,269 publishers using Undertone — 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, 38,269 publisher websites currently use Undertone. 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 Undertone 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 Undertone most commonly also use TheMediaGrid, Criteo, OpenX, PubMatic, Sharethrough. These co-occurring technologies indicate the typical header bidding and monetization stack of publishers in this segment.
The most common publisher vertical using Undertone 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 Undertone 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.