A premium publisher advertising alliance, originally formed by UK publishers to create a shared advertising platform. Red Volcano tracks 32,136 publisher websites using Ozone Project, with data refreshed weekly from proprietary crawlers.
The highest-ranked websites using Ozone Project, 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 | reddit.com | #8 | 4,385,329,502 | United States | Computers Electronics And Technology |
| 2 | yahoo.com | #15 | 2,873,425,636 | United States | News And Media |
| 3 | nytimes.com | #66 | 694,369,788 | United States | News And Media |
| 4 | bbc.co.uk | #80 | 577,227,093 | United Kingdom | News And Media |
| 5 | ya.ru | #83 | 458,178,998 | Russia | Computers Electronics And Technology |
| 6 | bbc.com | #88 | 552,030,429 | United States | News And Media |
| 7 | theguardian.com | #139 | 337,719,856 | United Kingdom | News And Media |
| 8 | accuweather.com | #143 | 304,613,589 | United States | Science And Education |
| 9 | marca.com | #228 | 224,244,881 | Spain | Sports |
| 10 | dailymail.co.uk | #232 | 216,091,245 | United Kingdom | News And Media |
| 11 | repubblica.it | #392 | 122,115,214 | Italy | News And Media |
| 12 | lemonde.fr | #588 | 84,525,310 | France | News And Media |
| 13 | 5ch.net | #601 | 87,229,666 | Japan | Games |
| 14 | washingtonpost.com | #622 | 84,282,537 | United States | News And Media |
| 15 | reuters.com | #632 | 97,243,469 | United States | News And Media |
| 16 | flashscore.com | #709 | 51,982,989 | Indonesia | Sports |
| 17 | protothema.gr | #713 | 91,243,523 | Country 300 | News And Media |
| 18 | weathernews.jp | #749 | 79,342,084 | Japan | Arts And Entertainment |
| 19 | businessinsider.com | #751 | 78,258,818 | United States | News And Media |
| 20 | healthline.com | #801 | 53,810,739 | United States | Health |
| 21 | telegraph.co.uk | #816 | 63,824,488 | United Kingdom | News And Media |
| 22 | independent.co.uk | #853 | 68,887,185 | United Kingdom | News And Media |
| 23 | bfmtv.com | #882 | 71,788,407 | France | Arts And Entertainment |
| 24 | merriam-webster.com | #895 | 57,944,524 | United States | Reference Materials |
| 25 | wunderground.com | #902 | 68,916,822 | United States | Science And Education |
| 26 | navitime.co.jp | #938 | 56,382,855 | Japan | Travel And Tourism |
| 27 | npr.org | #964 | 70,778,570 | United States | Arts And Entertainment |
| 28 | cbc.ca | #975 | 64,704,055 | Canada | News And Media |
| 29 | wowhead.com | #994 | 47,615,217 | United States | Games |
| 30 | chunkbase.com | #1,064 | 23,791,797 | United States | Games |
| 31 | laposte.fr | #1,078 | 45,048,187 | France | Law And Government |
| 32 | thesun.co.uk | #1,118 | 55,915,358 | United Kingdom | News And Media |
| 33 | willhaben.at | #1,131 | 22,961,224 | Austria | E-Commerce And Shopping |
| 34 | jeuxvideo.com | #1,171 | 32,807,274 | France | Games |
| 35 | dictionary.cambridge.org | #1,207 | 40,230,274 | Vietnam | Reference Materials |
| 36 | lastampa.it | #1,273 | 49,479,452 | Italy | News And Media |
| 37 | mirror.co.uk | #1,297 | 48,849,747 | United Kingdom | News And Media |
| 38 | ladepeche.fr | #1,304 | 48,825,841 | France | News And Media |
| 39 | newsweek.com | #1,331 | 52,499,252 | United States | News And Media |
| 40 | express.co.uk | #1,345 | 45,127,887 | United Kingdom | News And Media |
| 41 | recipetineats.com | #1,393 | 40,838,721 | Australia | Food And Drink |
| 42 | theweathernetwork.com | #1,423 | 46,602,948 | Canada | Science And Education |
| 43 | gadgets360.com | #1,505 | 41,404,350 | India | Computers Electronics And Technology |
| 44 | reclameaqui.com.br | #1,514 | 34,448,353 | Brazil | Business And Consumer Services |
| 45 | loksatta.com | #1,565 | 37,746,147 | India | News And Media |
| 46 | jma.go.jp | #1,613 | 36,615,189 | Japan | Arts And Entertainment |
| 47 | fnac.com | #1,638 | 27,197,684 | France | E-Commerce And Shopping |
| 48 | huffpost.com | #1,640 | 40,706,262 | United States | News And Media |
| 49 | the-sun.com | #1,668 | 42,866,272 | United States | News And Media |
| 50 | fr.de | #1,674 | 42,427,686 | Germany | News And Media |
Want the full list of 32,136 sites using Ozone Project? Filter, export, and monitor.
Book a Demo →Geographic distribution of Ozone Project adoption across publisher websites. Shows the top markets where publishers have integrated this technology.
Which content categories show the highest adoption of Ozone Project. 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 Ozone Project, based on ads.txt and sellers.json analysis.
Red Volcano provides complete data on all 32,136 publishers using Ozone Project — 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, 32,136 publisher websites currently use Ozone Project. 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 Ozone Project 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 Ozone Project most commonly also use TheMediaGrid, OpenX, PubMatic, Criteo, Teads. These co-occurring technologies indicate the typical header bidding and monetization stack of publishers in this segment.
The most common publisher vertical using Ozone Project is Food And Drink. Red Volcano provides detailed category breakdowns showing adoption patterns across news, entertainment, sports, technology, and dozens of other verticals.
Red Volcano detects Ozone Project 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.