Not trustworthy site. Their product reviews are spread over several (next page) links and each page opens with a pop-up box.
It is difficult to close the pop out box with two deceiving X.
There are two X, only one will close the pop-up (which is greyed out and moves slightly when the mouse is close to it, and the other is a deceptive click to open the link page in the pop-out box.
I certainly would not give it a 4 star rating. Maybe a 1.