An independent programmatic advertising exchange focused on creating a transparent, quality-driven marketplace for publishers and advertisers. Red Volcano tracks 8,356 publishers listing OpenX in their ads.txt, plus 10,843 entries in their sellers.json.
Breakdown of OpenX's sellers.json file showing the distribution of seller types. A higher proportion of PUBLISHER (direct) entries indicates a more transparent supply chain.
The highest-ranked publisher websites that list OpenX in their ads.txt file, sorted by global traffic rank.
| # | Domain | Global Rank | Monthly Pageviews | Country | Category |
|---|---|---|---|---|---|
| 1 | bbc.co.uk | #80 | 577,227,093 | United Kingdom | News And Media |
| 2 | news.com.au | #775 | 64,318,963 | Australia | News And Media |
| 3 | 1mg.com | #1,111 | 45,027,290 | India | Health |
| 4 | car.gr | #2,232 | 15,827,133 | Country 300 | Vehicles |
| 5 | evite.com | #2,376 | 22,788,322 | United States | Computers Electronics And Technology |
| 6 | gunbroker.com | #2,590 | 14,699,537 | United States | Sports |
| 7 | goodrx.com | #2,609 | 22,416,811 | United States | Health |
| 8 | tf1.fr | #2,706 | 24,647,616 | France | Arts And Entertainment |
| 9 | aviasales.ru | #2,728 | 16,592,803 | Russia | Travel And Tourism |
| 10 | nld.com.vn | #2,874 | 22,342,952 | Vietnam | News And Media |
| 11 | axs.com | #2,934 | 13,588,314 | United States | E-Commerce And Shopping |
| 12 | z-library.sk | #3,089 | 12,988,200 | United States | Games |
| 13 | kumparan.com | #3,126 | 19,117,331 | Indonesia | News And Media |
| 14 | triptoday365.com | #3,962 | 3,139,389 | India | Travel And Tourism |
| 15 | astrosage.com | #4,309 | 10,707,866 | India | Community And Society |
| 16 | divyabhaskar.co.in | #4,869 | 14,640,889 | India | News And Media |
| 17 | chartink.com | #5,134 | 8,676,592 | India | Finance |
| 18 | spitogatos.gr | #5,420 | 6,866,961 | Country 300 | Business And Consumer Services |
| 19 | 1lib.sk | #6,033 | 6,355,273 | Italy | Science And Education |
| 20 | krisha.kz | #6,245 | 4,563,726 | Country 398 | Business And Consumer Services |
| 21 | covers.com | #7,193 | 7,500,827 | United States | Gambling |
| 22 | ufc.com | #7,226 | 8,678,161 | United States | Sports |
| 23 | bridgebase.com | #7,935 | 10,195,034 | United States | Gambling |
| 24 | kolesa.kz | #8,152 | 3,894,153 | Country 398 | Vehicles |
| 25 | bebee.com | #8,912 | 7,210,000 | United States | Jobs And Career |
| 26 | vgtimes.ru | #9,311 | 7,993,328 | Russia | Games |
| 27 | freshcardio.com | #9,740 | 5,358,425 | United States | Business And Consumer Services |
| 28 | propertyfinder.ae | #9,906 | 4,237,179 | UAE | Business And Consumer Services |
| 29 | fnac.pt | #10,542 | 5,496,677 | Country 620 | E-Commerce And Shopping |
| 30 | z-lib.fm | #10,701 | 3,330,122 | United States | Computers Electronics And Technology |
| 31 | oem.com.mx | #11,126 | 27,130,190 | Mexico | News And Media |
| 32 | dexonline.ro | #11,677 | 6,062,675 | Romania | Reference Materials |
| 33 | tes.com | #11,959 | 4,503,667 | United Kingdom | Science And Education |
| 34 | citationmachine.net | #12,400 | 2,919,330 | United States | Science And Education |
| 35 | sportngin.com | #12,990 | 3,625,833 | United States | Sports |
| 36 | diariopanorama.com | #13,195 | 5,252,114 | Argentina | News And Media |
| 37 | tapas.io | #13,226 | 3,210,750 | United States | Arts And Entertainment |
| 38 | z-library.ec | #13,262 | 2,572,307 | United States | Computers Electronics And Technology |
| 39 | section8search.org | #13,275 | 3,726,543 | United States | Business And Consumer Services |
| 40 | prizegrab.com | #14,146 | 2,226,132 | United States | Games |
| 41 | freeads.co.uk | #14,271 | 3,578,603 | United Kingdom | E-Commerce And Shopping |
| 42 | antenna.gr | #14,968 | 4,788,422 | Country 300 | Arts And Entertainment |
| 43 | insidethemagic.net | #15,606 | 5,339,363 | United States | Arts And Entertainment |
| 44 | overclockers.ru | #15,630 | 5,106,431 | Russia | Computers Electronics And Technology |
| 45 | rionegro.com.ar | #15,977 | 4,581,350 | Argentina | News And Media |
| 46 | wine-searcher.com | #15,991 | 3,394,879 | United States | Food And Drink |
| 47 | groupon.co.uk | #16,320 | 3,352,405 | United Kingdom | E-Commerce And Shopping |
| 48 | gothamist.com | #16,321 | 4,912,291 | United States | News And Media |
| 49 | zynga.com | #16,842 | 3,831,599 | United States | Games |
| 50 | casualself.com | #17,197 | 5,552,715 | United States | Vehicles |
Want the full list of 8,356 publishers working with OpenX?
Book a Demo →Publisher distribution across countries for OpenX. Shows the markets where OpenX has the strongest publisher relationships.
Content category breakdown of publishers working with OpenX.
The most common header bidding partners found alongside OpenX on publisher websites.
Get complete access to OpenX's publisher relationships, sellers.json analysis, and competitive intelligence. Filter by country, vertical, traffic, and technology stack.
According to Red Volcano's data, 8,356 publisher websites list OpenX in their ads.txt file. Additionally, OpenX's sellers.json contains 10,843 seller entries. This data is refreshed weekly.
The most common publisher vertical working with OpenX is News And Media. OpenX has the strongest publisher presence in United States. Red Volcano provides detailed breakdowns by vertical, geography, and traffic tier.
OpenX's sellers.json contains 10,843 entries. Red Volcano analyzes sellers.json transparency for every SSP, including DIRECT vs INTERMEDIARY ratios, confidential entry rates, and cross-referencing with ads.txt declarations.
Red Volcano's platform provides the complete list of 8,356 publishers working with OpenX, with filtering by country, vertical, traffic, and technology stack. Book a demo for full access.
Red Volcano detects OpenX relationships through weekly crawls of ads.txt files across 32M+ publisher websites, cross-referenced with OpenX's sellers.json and header bidding configuration analysis.