A global leader in digital ad verification, providing viewability, brand safety, and fraud detection. Red Volcano tracks 188,062 publisher websites using Integral Ad Science (IAS), with data refreshed weekly from proprietary crawlers.
The highest-ranked websites using Integral Ad Science (IAS), 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 | yahoo.com | #15 | 2,873,425,636 | United States | News And Media |
| 4 | microsoft.com | #33 | 1,209,647,729 | United States | Computers Electronics And Technology |
| 5 | booking.com | #41 | 593,967,275 | United States | Travel And Tourism |
| 6 | ebay.com | #42 | 666,753,176 | United States | E-Commerce And Shopping |
| 7 | weather.com | #46 | 1,108,313,929 | United States | Science And Education |
| 8 | imdb.com | #61 | 552,104,293 | United States | Arts And Entertainment |
| 9 | bbc.co.uk | #80 | 577,227,093 | United Kingdom | News And Media |
| 10 | bbc.com | #88 | 552,030,429 | United States | News And Media |
| 11 | outbrain.com | #104 | 207,590,388 | Germany | Computers Electronics And Technology |
| 12 | spankbang.com | #107 | 224,100,602 | Japan | Adult |
| 13 | craigslist.org | #138 | 113,939,213 | United States | E-Commerce And Shopping |
| 14 | theguardian.com | #139 | 337,719,856 | United Kingdom | News And Media |
| 15 | foxnews.com | #146 | 282,354,363 | United States | News And Media |
| 16 | allegro.pl | #162 | 149,012,231 | Poland | E-Commerce And Shopping |
| 17 | indiatimes.com | #167 | 272,491,301 | India | News And Media |
| 18 | dailymotion.com | #191 | 230,839,608 | India | Arts And Entertainment |
| 19 | infobae.com | #198 | 242,274,403 | Argentina | News And Media |
| 20 | shopee.co.id | #209 | 133,256,689 | Indonesia | E-Commerce And Shopping |
| 21 | marca.com | #228 | 224,244,881 | Spain | Sports |
| 22 | dailymail.co.uk | #232 | 216,091,245 | United Kingdom | News And Media |
| 23 | genius.com | #241 | 177,962,909 | United States | Arts And Entertainment |
| 24 | freepik.com | #268 | 105,550,673 | India | Arts And Entertainment |
| 25 | wattpad.com | #271 | 92,185,016 | United States | Arts And Entertainment |
| 26 | livedoor.jp | #287 | 159,743,578 | Japan | News And Media |
| 27 | nextdoor.com | #294 | 165,616,449 | United States | Computers Electronics And Technology |
| 28 | people.com | #295 | 181,478,713 | United States | News And Media |
| 29 | sp.gov.br | #310 | 96,058,952 | Brazil | Law And Government |
| 30 | trilltrill.jp | #318 | 184,689,066 | Japan | Food And Drink |
| 31 | investing.com | #329 | 160,696,387 | Turkey | Finance |
| 32 | goodreads.com | #335 | 100,099,833 | United States | Science And Education |
| 33 | ndtv.com | #346 | 108,834,021 | India | News And Media |
| 34 | nicovideo.jp | #353 | 100,898,803 | Japan | Arts And Entertainment |
| 35 | elpais.com | #378 | 134,491,945 | Spain | News And Media |
| 36 | usatoday.com | #390 | 133,435,865 | United States | News And Media |
| 37 | repubblica.it | #392 | 122,115,214 | Italy | News And Media |
| 38 | aajtak.in | #416 | 127,864,528 | India | News And Media |
| 39 | gamer.com.tw | #417 | 95,470,752 | Taiwan | Games |
| 40 | speedtest.net | #430 | 115,554,690 | India | Computers Electronics And Technology |
| 41 | redgifs.com | #435 | 70,020,600 | United States | Adult |
| 42 | douban.com | #436 | 67,885,781 | China | Arts And Entertainment |
| 43 | bookmyshow.com | #474 | 79,250,872 | India | Arts And Entertainment |
| 44 | donga.com | #481 | 62,624,331 | South Korea | News And Media |
| 45 | moneycontrol.com | #489 | 92,481,878 | India | Finance |
| 46 | azure.com | #494 | 54,271,064 | United States | Computers Electronics And Technology |
| 47 | pikabu.ru | #495 | 102,227,705 | Russia | Arts And Entertainment |
| 48 | go.com | #502 | 95,975,645 | United States | Arts And Entertainment |
| 49 | lefigaro.fr | #520 | 95,873,920 | France | News And Media |
| 50 | economictimes.com | #522 | 108,769,055 | India | Finance |
Want the full list of 188,062 sites using Integral Ad Science (IAS)? Filter, export, and monitor.
Book a Demo →Geographic distribution of Integral Ad Science (IAS) adoption across publisher websites. Shows the top markets where publishers have integrated this technology.
Which content categories show the highest adoption of Integral Ad Science (IAS). 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 Integral Ad Science (IAS), based on ads.txt and sellers.json analysis.
Red Volcano provides complete data on all 188,062 publishers using Integral Ad Science (IAS) — 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, 188,062 publisher websites currently use Integral Ad Science (IAS). 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 Integral Ad Science (IAS) 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 Integral Ad Science (IAS) most commonly also use TheMediaGrid, Index Exchange, AJA, vi, Tim Media. These co-occurring technologies indicate the typical header bidding and monetization stack of publishers in this segment.
The most common publisher vertical using Integral Ad Science (IAS) 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 Integral Ad Science (IAS) 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.