Derpibooru is a AI tool on derpibooru.org. It outranks 30 other pages and holds 1 page here. Every number above is derived from the citation graph, never from crawled prose.

E-Hentai (110 citations), Kemono (110 citations), Rule 34 (110 citations), ExHentai (89 citations), Danbooru (88 citations), E621 (88 citations), FurAffinity (88 citations), Gelbooru (88 citations), Rule 34 Paheal (88 citations), Hentai Foundry (84 citations), Luscious Hentai (84 citations), Sankaku Complex (80 citations) appear beside Derpibooru on the same pages, most-cited first.

Or keep going. You can open derpibooru.org directly.