Where can you find rankings for movies on HBO GO so that you can tell which ones are good to watch?

Where can you find rankings for movies on HBO GO so that you can tell which ones are good to watch?
I found this site that let me see Rotten Tomatoe rankings for allthe movies currenlty on HBO GO. It's called MBO GO and is atmbo-go.com. Using that site I was able to figure out which movies Iwanted to watch on HBO GO.