The the websites I spend the most time on are definitely youtube and tumblr but since I go there to view multiple content creators I thought I'd give a three recommendations of a few less well known youtubers that people here might be interested in.
1) MarinaShutup https://www.youtube.com/user/marinashutup
If you enjoy feminism, awkward anecdotes and dry humour you will enjoy Marina. She's currently hosting a Feminist Fridays segment and should, really, have way more views than she does.
2) Ashley Mardell https://www.youtube.com/channel/UCXwXB7 ... RiWF4-dK9g
Perhaps the most adorable thing on youtube, Ashley produces a lot of different kinds of videos but my favourites are her LGBTQ series and her Beer and Chat videos that often deal with sexual orientation, identity and gender.
3) Hannah Witton https://www.youtube.com/user/hannahgirasol
Not all of her videos should be taken as the be all and end all of sexual information, but she's one of the few content creators I know of that isn't focused on sex education that really incorporates sex positivity into her videos. I enjoy the openness and fun she brings to talking about sex. Also she's writing a masters on Victorian sexual manuals, so that's gotta be worth something.