XHamster is the third most popular pornography site after what other site registered to WGCZ Holding?
XVideos XVideos is the world's largest pornographic video sharing and viewing website. It's registered to the Polish company, WGCZ Holding. Alexa ranks it as the 50th most visited website in the world.
Alt.sex alt.sex is a Usenet newsgroup – a discussion group within the Usenet network – relating to human sexual activity. It was popular in the 1990s. An October 1993 survey by Brian Reid reported an estimated worldwide readership for the alt.sex newsgroup of 3.3 million, that being 8% of the total Usenet readership, with 67% of all Usenet "nodes" (news servers users log in to access the system) carrying the group. At that time, alt.sex had an estimated traffic of 2,300 messages per month.