Red Volcano tracks 28,644 publisher websites in the Reference Materials vertical, with 6,170 verified ads.txt files. Explore top publishers, SSP market share, and ad tech adoption in this category.
The highest-ranked reference materials publishers with a verified ads.txt file, sorted by global traffic rank.
| # | Domain | Global Rank | Monthly Pageviews | Country | Header Bidding |
|---|---|---|---|---|---|
| 1 | quora.com | #123 | 356,936,940 | United States | Not detected |
| 2 | eksisozluk.com | #550 | 72,764,806 | Turkey | CriteoBlueBCM+3 |
| 3 | reverso.net | #561 | 43,347,245 | France | AdformADman MediaAJA+44 |
| 4 | merriam-webster.com | #895 | 57,944,524 | United States | JW PlayerAdvertising.comBetween+44 |
| 5 | mapy.com | #1,094 | 12,597,101 | Czech Republic | Not detected |
| 6 | wikiwiki.jp | #1,113 | 41,039,593 | Japan | BetweenTheMediaGridBlue+18 |
| 7 | seznamzpravy.cz | #1,127 | 55,470,022 | Czech Republic | Not detected |
| 8 | dictionary.cambridge.org | #1,207 | 40,230,274 | Vietnam | AAXCriteoOpenX+24 |
| 9 | word.tips | #1,520 | 31,539,334 | United States | BetweenBlueDiscoveryDsp+77 |
| 10 | meteofor.com.ua | #1,524 | 44,805,617 | Ukraine | AdMixerTheMediaGridQT+102 |
| 11 | wikihow.com | #1,741 | 40,622,848 | United States | AMX RTBAppNexusBetween+31 |
| 12 | britannica.com | #1,826 | 32,423,533 | United States | BetweenBlueDiscoveryDsp+50 |
| 13 | wordreference.com | #1,859 | 28,106,040 | Spain | BetweenAdvertising.comSnigel+15 |
| 14 | lachainemeteo.com | #2,155 | 30,782,710 | France | TheMediaGridIntegral Ad Science (IAS)Outbrain - Old+116 |
| 15 | geoguessr.com | #2,246 | 17,700,704 | United States | Not detected |
| 16 | mapquest.com | #2,291 | 25,399,433 | United States | BetweenDuration MediaBlue+15 |
| 17 | whitepages.com | #2,533 | 18,259,168 | United States | BetweenBlueDiscoveryDsp+30 |
| 18 | fastpeoplesearch.com | #2,629 | 13,770,480 | United States | Not detected |
| 19 | laposte.net | #2,634 | 14,728,703 | France | CriteoOpt Out AdvertisingSmart AdServer+161 |
| 20 | ekitan.com | #2,827 | 19,316,895 | Japan | BlueTheMediaGridIDX bidder adapter+30 |
| 21 | truepeoplesearch.com | #2,918 | 13,361,341 | United States | Not detected |
| 22 | pagesjaunes.fr | #2,994 | 20,384,434 | France | Not detected |
| 23 | yenicaggazetesi.com | #3,656 | 16,964,261 | Turkey | Not detected |
| 24 | azet.sk | #3,723 | 9,240,816 | Country 703 | CriteoJW PlayerPerformax+55 |
| 25 | mappy.com | #3,835 | 11,757,041 | France | Integral Ad Science (IAS)Tim MediaAJA+5 |
| 26 | idos.cz | #3,843 | 16,484,720 | Czech Republic | Performaxr2b2Blue+50 |
| 27 | hitta.se | #4,057 | 10,598,055 | Sweden | AdformOpenRTBAdvertising.comBlue+26 |
| 28 | thesaurus.com | #4,164 | 14,976,918 | United States | AAXOneTagTheMediaGrid+84 |
| 29 | manualslib.com | #4,250 | 9,388,899 | United States | AJAIndex ExchangeQuantcast+110 |
| 30 | weblio.jp | #4,332 | 15,121,619 | Japan | AAXIDX bidder adapterDuration Media+5 |
| 31 | time.is | #4,489 | 13,885,367 | United States | InMobiBetweenDuration Media+71 |
| 32 | urbandictionary.com | #5,511 | 12,761,494 | United States | BetweenBlueTheMediaGrid+63 |
| 33 | sinonim.org | #6,106 | 11,622,361 | Russia | Online Media SolutionsYandexDuration Media+2 |
| 34 | gramedia.com | #6,359 | 9,541,564 | Indonesia | Index ExchangeTim Mediavi+15 |
| 35 | mapion.co.jp | #6,386 | 8,504,488 | Japan | CriteoIDX bidder adapterCompass+8 |
| 36 | email.cz | #6,480 | 10,514,232 | Czech Republic | Not detected |
| 37 | noor-book.com | #6,794 | 8,774,282 | Country 818 | AOLIndex ExchangeJ Carter Marketing+75 |
| 38 | wordhippo.com | #7,013 | 9,309,147 | United States | AAXBluePub-X+23 |
| 39 | dictionary.com | #7,194 | 9,777,836 | United States | AAXOneTagTheMediaGrid+90 |
| 40 | pons.com | #7,198 | 7,136,750 | Germany | AdMixerAdprimeAdvertising.com+49 |
| 41 | rapidtables.com | #7,317 | 6,631,841 | United States | Not detected |
| 42 | leo.org | #7,326 | 8,180,930 | Germany | Tim MediaIntegral Ad Science (IAS)Index Exchange+20 |
| 43 | databazeknih.cz | #7,583 | 6,009,358 | Czech Republic | Performaxr2b2xe.works+41 |
| 44 | mapfan.com | #7,694 | 4,917,987 | Japan | BetweenTheMediaGridMicroAd+22 |
| 45 | economia.uol.com.br | #7,774 | 7,722,726 | Brazil | 33AcrossUOLBetween+48 |
| 46 | kotobank.jp | #8,079 | 9,368,575 | Japan | Tim MediaviAJA+19 |
| 47 | oxfordlearnersdictionaries.com | #8,275 | 5,779,781 | Vietnam | AAXBlueTheMediaGrid+63 |
| 48 | worldatlas.com | #8,519 | 9,954,880 | United States | DistrictMBetweenConcert+15 |
| 49 | worldometers.info | #8,872 | 8,233,493 | United States | BetweenBlueTheMediaGrid+75 |
| 50 | yourdictionary.com | #9,449 | 6,578,963 | United States | BetweenBlueTheMediaGrid+16 |
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Most common header bidding partners among reference materials publishers.
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Red Volcano tracks 28,644 publisher websites in the Reference Materials category, of which 6,170 have a verified ads.txt file. Data is refreshed weekly.
The top Reference Materials publishers for advertising are ranked by global traffic and ads.txt presence. Red Volcano's platform lets you filter by country, SSP relationships, and technology stack to find the best fit for your campaigns.
The leading SSP among Reference Materials publishers is Pubmatic. Red Volcano provides detailed SSP penetration data across every publisher vertical.
The largest market for Reference Materials publishers is United States. Red Volcano tracks geographic distribution across 190+ countries.
Red Volcano's Web Discovery platform lets you search and filter all 28,644 Reference Materials publishers by country, traffic, SSP, and technology. Book a demo for full access.