Comprehensive publisher intelligence for the Japan advertising market. Red Volcano tracks 338,808 publisher websites in Japan, with 43,052 verified ads.txt files. Data updated weekly from proprietary crawlers.
The highest-ranked publisher websites in Japan based on global traffic rank, filtered to sites with a verified ads.txt file. Each publisher's technology stack and SSP relationships are detected weekly by Red Volcano's crawlers.
| # | Domain | Global Rank | Monthly Pageviews | Category | ads.txt Lines | Header Bidding Partners |
|---|---|---|---|---|---|---|
| 1 | rakuten.co.jp | #68 | 425,365,591 | E-Commerce And Shopping | 81 | Not detected |
| 2 | pixiv.net | #98 | 291,562,862 | Arts And Entertainment | 3811 | Advertising.comAdformOpenRTBDuration Media+12 |
| 3 | dmm.co.jp | #111 | 218,592,894 | Adult | 449 | Not detected |
| 4 | twitter.com | #115 | 57,238,716 | Computers Electronics And Technology | 7 | Not detected |
| 5 | mercari.com | #151 | 160,026,969 | E-Commerce And Shopping | 38 | Not detected |
| 6 | ameblo.jp | #181 | 226,152,817 | Computers Electronics And Technology | 2440 | VOXBlueDuration Media+19 |
| 7 | note.com | #190 | 245,430,410 | Computers Electronics And Technology | 709 | Not detected |
| 8 | auone.jp | #226 | 206,010,501 | News And Media | 5273 | 33AcrossAdformOpenRTBCriteo+42 |
| 9 | rakuten.com | #252 | 199,634,653 | E-Commerce And Shopping | 1205 | Not detected |
| 10 | tabelog.com | #264 | 126,049,108 | Food And Drink | 148 | TheMediaGridOpt Out AdvertisingBetween+11 |
| 11 | line.me | #270 | 187,455,029 | Computers Electronics And Technology | 4955 | Not detected |
| 12 | agoda.com | #281 | 106,283,583 | Travel And Tourism | 65 | Not detected |
| 13 | rakuten-sec.co.jp | #293 | 94,652,614 | Finance | 915 | Not detected |
| 14 | bakusai.com | #303 | 100,675,086 | Computers Electronics And Technology | 3772 | Not detected |
| 15 | syosetu.com | #313 | 113,819,422 | Arts And Entertainment | 1568 | RakutenQTDuration Media+24 |
| 16 | trilltrill.jp | #318 | 184,689,066 | Food And Drink | 1441 | AAXOutbrain - OldGMOSSP+84 |
| 17 | dmm.com | #321 | 127,944,207 | E-Commerce And Shopping | 449 | Not detected |
| 18 | nicovideo.jp | #353 | 100,898,803 | Arts And Entertainment | 1942 | viIndex ExchangeReload+10 |
| 19 | mechacomic.jp | #423 | 65,227,821 | Arts And Entertainment | 1909 | Not detected |
| 20 | tbs.co.jp | #434 | 101,095,212 | Arts And Entertainment | 1811 | 33AcrossCriteofluct+48 |
| 21 | gamewith.jp | #445 | 112,604,083 | Games | 2037 | AdformOpenRTBUNICORNDuration Media+56 |
| 22 | chatwork.com | #469 | 61,215,424 | Business And Consumer Services | 872 | Not detected |
| 23 | nikkei.com | #479 | 99,778,150 | News And Media | 12 | PubmaticXaxisJ Carter Marketing+2 |
| 24 | game8.jp | #498 | 96,463,508 | Games | 919 | AdformOpenRTBBlueDiscoveryDsp+21 |
| 25 | yomiuri.co.jp | #500 | 86,137,110 | News And Media | 979 | IPAXConcertfluct+44 |
| 26 | blog.jp | #501 | 98,654,920 | Computers Electronics And Technology | 5661 | Not detected |
| 27 | livedoor.com | #510 | 100,155,438 | News And Media | 2804 | fluctQTDuration Media+58 |
| 28 | itmedia.co.jp | #532 | 100,648,870 | Computers Electronics And Technology | 3412 | BetweenBlueDuration Media+33 |
| 29 | kakaku.com | #544 | 69,039,437 | E-Commerce And Shopping | 37 | AAXOpt Out AdvertisingSovrn+48 |
| 30 | netkeiba.com | #546 | 48,683,242 | Gambling | 2785 | BlueBetweenIndex Exchange+21 |
| 31 | nikkansports.com | #549 | 88,264,400 | Sports | 1743 | Advertising.comOpt Out AdvertisingRakuten+78 |
| 32 | tenki.jp | #552 | 102,914,132 | Arts And Entertainment | 2903 | AAXGMOSSPMicroAd+56 |
| 33 | 5ch.net | #601 | 87,229,666 | Games | 183 | Sportplatz MediaDuration MediaCompass+40 |
| 34 | tver.jp | #607 | 73,334,380 | Arts And Entertainment | 351 | Not detected |
| 35 | asahi.com | #628 | 82,852,538 | News And Media | 969 | Outbrain - OldBetweenDuration Media+9 |
| 36 | mynavi.jp | #676 | 57,505,115 | Business And Consumer Services | 4904 | Not detected |
| 37 | moneyforward.com | #681 | 45,017,722 | Finance | 372 | Not detected |
| 38 | abema.tv | #745 | 61,814,431 | Arts And Entertainment | 580 | Not detected |
| 39 | weathernews.jp | #749 | 79,342,084 | Arts And Entertainment | 1084 | BlueIDX bidder adapterAAX+12 |
| 40 | oricon.co.jp | #768 | 68,400,675 | Arts And Entertainment | 4251 | AAXMicroAdOnline Media Solutions+102 |
| 41 | piccoma.com | #809 | 34,192,154 | Arts And Entertainment | 1 | Not detected |
| 42 | bunshun.jp | #935 | 48,472,769 | News And Media | 888 | GumGumTaboolaBetween+58 |
| 43 | navitime.co.jp | #938 | 56,382,855 | Travel And Tourism | 2867 | Advertising.comfreepassOpt Out Advertising+53 |
| 44 | mamastar.jp | #942 | 27,724,659 | News And Media | 104 | MicroAdAAXBetween+30 |
| 45 | delishkitchen.tv | #961 | 68,742,685 | Food And Drink | 1820 | BetweenfluctTheMediaGrid+10 |
| 46 | hochi.news | #967 | 62,127,026 | Sports | 3201 | AAXCompassMicroAd+72 |
| 47 | hlsloader.com | #1,013 | 14,277,525 | Arts And Entertainment | 1 | AdformOpenRTBTheMediaGridGoogle+76 |
| 48 | ameba.jp | #1,076 | 33,859,859 | Computers Electronics And Technology | 1870 | Tim MediaviAJA+11 |
| 49 | wikiwiki.jp | #1,113 | 41,039,593 | Reference Materials | 974 | BetweenTheMediaGridBlue+18 |
| 50 | kakuyomu.jp | #1,121 | 34,277,127 | Arts And Entertainment | 949 | BlueOpt Out AdvertisingAdformOpenRTB+39 |
Want the full list of 338,808 publishers in Japan? Filter by vertical, technology, SSP, and more.
Book a Demo →The most widely adopted header bidding partners among publishers in Japan. 4,183 publishers (9.7% of ads.txt-enabled sites) use at least one header bidding partner.
Breakdown of publisher categories in Japan. The distribution shows which content verticals dominate the advertising landscape in this market.
Red Volcano gives you access to all 338,808 publishers in Japan with advanced filtering, CSV exports, monitoring alerts, and API access. Purpose-built for SSPs, ad networks, and the programmatic supply chain.
Red Volcano currently tracks 338,808 publisher websites in Japan, of which 43,052 have a verified ads.txt file. This data is refreshed weekly by our proprietary crawlers, making it one of the most comprehensive and up-to-date publisher databases for the Japan market.
Based on Red Volcano's data, Duration Media is the most widely adopted header bidding partner among publishers in Japan, while Geniee.Co.Jp leads in SSP/monetization partnerships. The dominant publisher vertical is Food And Drink.
The leading SSPs in Japan by publisher adoption include Geniee.Co.Jp, Freestar, Pubmatic, Adingo.Jp, Smaato. Red Volcano provides detailed breakdowns of every SSP's publisher footprint, sellers.json transparency, and growth trends.
Red Volcano's Web Discovery platform lets you search and filter all 338,808 tracked publishers in Japan by vertical, traffic, ad technology, SSP relationships, and more. Book a demo to explore the full dataset with advanced filters, exports, and monitoring tools.
Red Volcano refreshes all publisher data weekly, including ads.txt files, technology detection, traffic estimates, and SSP relationships. This ensures you always have the most current view of the Japan advertising landscape.