NSFW Rule 34 is a video site on nsfwr34.com. It outranks 13 other pages, is cited by 18 pages in this directory and holds 1 page here. Every number above is derived from the citation graph, never from crawled prose.

PornHub (1,701 citations), xHamster (1,555 citations), XVideos (1,434 citations), Aloha Tube (307 citations), iWank (255 citations), Scrolller (110 citations), Naughty Machinima (20 citations), Only Rule 34 (20 citations), PorCore (20 citations), Porn3DX (20 citations), Rule34 Tube (20 citations), SFMCompile (20 citations) appear beside NSFW Rule 34 on the same pages, most-cited first.

Or keep going. You can open nsfwr34.com directly.