Kink.com's landing page is quiet: no ad slots, no autoplay tricks, no wall forcing signup before you can look around. For a fetish network flagship, that's rare.
SpankingTube is a free niche tube with a landing page carrying real ad weight - four ad slots and a couple of popunder scripts running behind the scenes. Usable, but not clean.
HuCows lands clean: no ad slots, no popunders, no redirect tricks, and the phone view actually works. For a free fetish site, that's rare enough to note.
ALT.com's landing page is about as quiet as adult dating gets: no popunders, no redirect tricks, no autoplay noise. A handful of tracking scripts run in the background, but nothing that gets in your way.
ClubDom's landing page is about as clean as premium BDSM sites get: no ad slots, no popunders, no off-site redirects. The only annoyance is a browser notification prompt, which is easy to dismiss.
A Tumblr-style blogging platform for BDSM and fetish content, not a tube site. Landing page is mostly clean with light ad presence and a modest tracker count.
PervClips runs a fairly light landing page for a fetish tube: two ad slots, no popunders, no redirect tricks. Tracker count is on the higher side but nothing dangerous shows up.
BoundHub works fine as a free BDSM tube but the landing page carries a heavier ad load than it needs to — eight ad slots and a few known tracking hosts drag the grade down.