Quoting Magical LoveŠ:" What do you look for to know if it is a real site or not, if I may ask. "
Well the first thing I do is google "site name" reviews...and get a first impression for that...if I see reviews that are warning you about it being a scam, that's a big red flag.
I don't knwo about that site, but have you tried opinion outpost?
you earn points and cash in your points (to your paypal, gift card or amazon). Nothing to buy, ever and sometimes you get to do product trials, rare but sometimes