A Japanese digital advertising platform providing header bidding and programmatic demand for publishers in the APAC region. Red Volcano tracks 213,165 publisher websites using AJA, with data refreshed weekly from proprietary crawlers.
The highest-ranked websites using AJA, 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.co.jp | #13 | 3,045,792,840 | Japan | News And Media |
| 3 | microsoft.com | #33 | 1,209,647,729 | United States | Computers Electronics And Technology |
| 4 | fandom.com | #39 | 920,792,025 | United States | Arts And Entertainment |
| 5 | ebay.com | #42 | 666,753,176 | United States | E-Commerce And Shopping |
| 6 | nytimes.com | #66 | 694,369,788 | United States | News And Media |
| 7 | bbc.co.uk | #80 | 577,227,093 | United Kingdom | News And Media |
| 8 | espn.com | #89 | 511,589,368 | United States | Sports |
| 9 | spankbang.com | #107 | 224,100,602 | Japan | Adult |
| 10 | craigslist.org | #138 | 113,939,213 | United States | E-Commerce And Shopping |
| 11 | allegro.pl | #162 | 149,012,231 | Poland | E-Commerce And Shopping |
| 12 | ameblo.jp | #181 | 226,152,817 | Japan | Computers Electronics And Technology |
| 13 | cricbuzz.com | #182 | 332,040,248 | India | Sports |
| 14 | auone.jp | #226 | 206,010,501 | Japan | News And Media |
| 15 | bild.de | #237 | 205,171,142 | Germany | News And Media |
| 16 | freepik.com | #268 | 105,550,673 | India | Arts And Entertainment |
| 17 | wattpad.com | #271 | 92,185,016 | United States | Arts And Entertainment |
| 18 | livedoor.jp | #287 | 159,743,578 | Japan | News And Media |
| 19 | nextdoor.com | #294 | 165,616,449 | United States | Computers Electronics And Technology |
| 20 | sp.gov.br | #310 | 96,058,952 | Brazil | Law And Government |
| 21 | lowes.com | #317 | 111,708,101 | United States | Home And Garden |
| 22 | trilltrill.jp | #318 | 184,689,066 | Japan | Food And Drink |
| 23 | nicovideo.jp | #353 | 100,898,803 | Japan | Arts And Entertainment |
| 24 | as.com | #371 | 140,628,616 | Spain | Sports |
| 25 | elpais.com | #378 | 134,491,945 | Spain | News And Media |
| 26 | repubblica.it | #392 | 122,115,214 | Italy | News And Media |
| 27 | gamer.com.tw | #417 | 95,470,752 | Taiwan | Games |
| 28 | sbisec.co.jp | #426 | 80,808,543 | Japan | Finance |
| 29 | cookpad.com | #427 | 111,426,054 | Japan | Food And Drink |
| 30 | douban.com | #436 | 67,885,781 | China | Arts And Entertainment |
| 31 | gamewith.jp | #445 | 112,604,083 | Japan | Games |
| 32 | bookmyshow.com | #474 | 79,250,872 | India | Arts And Entertainment |
| 33 | azure.com | #494 | 54,271,064 | United States | Computers Electronics And Technology |
| 34 | pikabu.ru | #495 | 102,227,705 | Russia | Arts And Entertainment |
| 35 | game8.jp | #498 | 96,463,508 | Japan | Games |
| 36 | go.com | #502 | 95,975,645 | United States | Arts And Entertainment |
| 37 | apnews.com | #505 | 114,184,974 | United States | News And Media |
| 38 | ukr.net | #509 | 83,668,330 | Ukraine | News And Media |
| 39 | next.co.uk | #542 | 34,739,304 | United Kingdom | Lifestyle |
| 40 | netkeiba.com | #546 | 48,683,242 | Japan | Gambling |
| 41 | discogs.com | #548 | 44,190,574 | United States | Arts And Entertainment |
| 42 | cnbc.com | #557 | 112,773,444 | United States | News And Media |
| 43 | reverso.net | #561 | 43,347,245 | France | Reference Materials |
| 44 | lokmat.com | #567 | 84,490,298 | India | News And Media |
| 45 | lemonde.fr | #588 | 84,525,310 | France | News And Media |
| 46 | cbsnews.com | #596 | 98,151,638 | United States | News And Media |
| 47 | autotrader.co.uk | #605 | 40,239,419 | United Kingdom | Vehicles |
| 48 | sotwe.com | #608 | 46,920,639 | Turkey | Adult |
| 49 | pornone.com | #613 | 52,961,371 | United States | Adult |
| 50 | curseforge.com | #616 | 43,573,907 | United States | Games |
Want the full list of 213,165 sites using AJA? Filter, export, and monitor.
Book a Demo →Geographic distribution of AJA adoption across publisher websites. Shows the top markets where publishers have integrated this technology.
Which content categories show the highest adoption of AJA. 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 AJA, based on ads.txt and sellers.json analysis.
Red Volcano provides complete data on all 213,165 publishers using AJA — 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, 213,165 publisher websites currently use AJA. 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 AJA 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 AJA most commonly also use TheMediaGrid, Index Exchange, Integral Ad Science (IAS), Criteo, vi. These co-occurring technologies indicate the typical header bidding and monetization stack of publishers in this segment.
The most common publisher vertical using AJA 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 AJA 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.