A Japanese SSP providing header bidding demand and programmatic advertising solutions for APAC publishers. Red Volcano tracks 22,107 publisher websites using fluct, with data refreshed weekly from proprietary crawlers.
The highest-ranked websites using fluct, 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 | craigslist.org | #138 | 113,939,213 | United States | E-Commerce And Shopping |
| 2 | dailymotion.com | #191 | 230,839,608 | India | Arts And Entertainment |
| 3 | auone.jp | #226 | 206,010,501 | Japan | News And Media |
| 4 | flightradar24.com | #291 | 79,083,748 | United States | Vehicles |
| 5 | syosetu.com | #313 | 113,819,422 | Japan | Arts And Entertainment |
| 6 | trilltrill.jp | #318 | 184,689,066 | Japan | Food And Drink |
| 7 | researchgate.net | #347 | 102,524,597 | United States | Science And Education |
| 8 | tbs.co.jp | #434 | 101,095,212 | Japan | Arts And Entertainment |
| 9 | gamewith.jp | #445 | 112,604,083 | Japan | Games |
| 10 | game8.jp | #498 | 96,463,508 | Japan | Games |
| 11 | yomiuri.co.jp | #500 | 86,137,110 | Japan | News And Media |
| 12 | livedoor.com | #510 | 100,155,438 | Japan | News And Media |
| 13 | kakaku.com | #544 | 69,039,437 | Japan | E-Commerce And Shopping |
| 14 | netkeiba.com | #546 | 48,683,242 | Japan | Gambling |
| 15 | nikkansports.com | #549 | 88,264,400 | Japan | Sports |
| 16 | tenki.jp | #552 | 102,914,132 | Japan | Arts And Entertainment |
| 17 | news.nate.com | #589 | 64,690,147 | South Korea | News And Media |
| 18 | 5ch.net | #601 | 87,229,666 | Japan | Games |
| 19 | bikewale.com | #638 | 62,507,818 | India | Vehicles |
| 20 | oricon.co.jp | #768 | 68,400,675 | Japan | Arts And Entertainment |
| 21 | hltv.org | #772 | 55,045,999 | Russia | Games |
| 22 | athenahealth.com | #917 | 33,223,304 | United States | Health |
| 23 | bunshun.jp | #935 | 48,472,769 | Japan | News And Media |
| 24 | navitime.co.jp | #938 | 56,382,855 | Japan | Travel And Tourism |
| 25 | mamastar.jp | #942 | 27,724,659 | Japan | News And Media |
| 26 | delishkitchen.tv | #961 | 68,742,685 | Japan | Food And Drink |
| 27 | hochi.news | #967 | 62,127,026 | Japan | Sports |
| 28 | hlsloader.com | #1,013 | 14,277,525 | Japan | Arts And Entertainment |
| 29 | wetteronline.de | #1,058 | 50,656,268 | Germany | Science And Education |
| 30 | 20minutos.es | #1,086 | 57,381,998 | Spain | News And Media |
| 31 | sponichi.co.jp | #1,190 | 45,613,993 | Japan | News And Media |
| 32 | mainichi.jp | #1,278 | 50,150,938 | Japan | News And Media |
| 33 | nifty.com | #1,296 | 37,078,376 | Japan | Computers Electronics And Technology |
| 34 | suki-kira.com | #1,375 | 32,257,730 | Japan | Arts And Entertainment |
| 35 | kurashiru.com | #1,387 | 51,118,823 | Japan | Food And Drink |
| 36 | theweathernetwork.com | #1,423 | 46,602,948 | Canada | Science And Education |
| 37 | screenrant.com | #1,436 | 47,425,410 | United States | Arts And Entertainment |
| 38 | toyokeizai.net | #1,593 | 32,307,687 | Japan | Finance |
| 39 | proxysite.com | #1,645 | 13,490,430 | Indonesia | Computers Electronics And Technology |
| 40 | ntv.co.jp | #1,720 | 34,467,326 | Japan | Arts And Entertainment |
| 41 | eiga.com | #1,786 | 29,580,693 | Japan | Arts And Entertainment |
| 42 | kuruma-news.jp | #1,801 | 28,102,886 | Japan | Vehicles |
| 43 | president.jp | #1,993 | 26,336,606 | Japan | News And Media |
| 44 | jorudan.co.jp | #2,083 | 24,105,606 | Japan | Business And Consumer Services |
| 45 | axios.com | #2,086 | 35,945,841 | United States | News And Media |
| 46 | walkerplus.com | #2,104 | 13,771,872 | Japan | Arts And Entertainment |
| 47 | lachainemeteo.com | #2,155 | 30,782,710 | France | Reference Materials |
| 48 | daily.co.jp | #2,193 | 28,298,430 | Japan | News And Media |
| 49 | blic.rs | #2,297 | 27,740,515 | Country 688 | News And Media |
| 50 | zoom.earth | #2,379 | 9,734,320 | United States | Computers Electronics And Technology |
Want the full list of 22,107 sites using fluct? Filter, export, and monitor.
Book a Demo →Geographic distribution of fluct adoption across publisher websites. Shows the top markets where publishers have integrated this technology.
Which content categories show the highest adoption of fluct. 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 fluct, based on ads.txt and sellers.json analysis.
Red Volcano provides complete data on all 22,107 publishers using fluct — 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, 22,107 publisher websites currently use fluct. 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 fluct 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 fluct most commonly also use Duration Media, OpenX, Criteo, PubMatic, Between. These co-occurring technologies indicate the typical header bidding and monetization stack of publishers in this segment.
The most common publisher vertical using fluct 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 fluct 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.