I used to work with the mouth-breathingest of morons who had infallible taste in movies. If she hated it I put it on my watchlist.
I use letterboxd for everything but reviews (I never read them unless they are from friends), and I love it. The user experience is just great. The webapp is lightweight, looks cool but isn’t cluttered or unnecessarily fancy. I’m provided the relevant information I care about right where I would expect it to be. I sound like a shill, but I enjoy their website a lot :D
Letterboxd, also.
I like looking up a movie I enjoy, and then I’ll check out all the lists it’s on to see what other folks group it with. There’s more variety doing this on Letterboxd than on IMDB.
The movie ratings are kinda whatever. I’ve liked tons of 2 star average films and disliked lots of 4 star ones, so it’s not really a reliable metric for me.
The rating of user reviews on IMDb.