No. 9 review site: Angie’s List

Average monthly US traffic (Alexa): 5.44 million
US ranking (Alexa): 1,150
Business reviews for: service related businesses

Angie’s List is a service listing and review website that offers user-based rankings and reviews of service professionals in local areas. Because Angie’s List is a paid review site, it is known to be less filled with rambling reviews from customers and spam. Members grade companies using a report card scale from A-F on price, quality, responsiveness, punctuality, and professionalism. Angie’s List is divided by categories such as house, auto, health, pets and services.

No. 10 review site: Foursquare

Average monthly US traffic (Alexa): 3.67 million
US ranking (Alexa): 1,561
Business reviews for: any business, mostly restaurants

Foursquare is a local search and discovery service mobile app. The app helps users discover new places/businesses through other Foursquare business reviews. Users can let friends know where they are and find out where their friends are. In any case, with 55 million monthly active users, Foursquare is a powerful force to monitor customer loyalty and feedback.