There is essentially no big difference among all the cash back sites except for the number of merchants they cooperated with and the different cash back rates, however, its always good to keep in mind a few of the factors:
Cash Back Rate
Cash back rate varies from site to site and time to time, the merchants tends to give out more commission budget on big shopping events such as black friday or Easters, however, cash back sites will increase (sometimes double or triple) the cash back rates for certain merchants for a couple of days by aligning the promotion calendar agreed with merchants.
Number of Merchants Supported
Most of the cash back sites support major merchants such as Walmart, Macy’s etc., a few of the cash back sites partnered with more than five thousands merchants but most of the merchants does not contribute any value for you unless you would like to seek for particular stores in in a very narrow industry.
It refers to the service response time, whether the site offers live-chat services and the quality of the customer service. In some cases, the redirect link was not recorded in the cookie of your browser that your purchase may not get recorded, that means you will need to write a mail to customer service to give the evidence of your purchase so they will help to link this purchase with a referral link so you will finally be able to get your cash back.
Most of the cash back sites have referral programs, if you share their registration link to your friends, you will have the opportunity to get sign-up bonus, and some times you get extra cash back commission when your friends purchase.
To serve as a complete guidance of the cash back site usage, we listed all the cash back rates from all cash back sites in CashbackIndex for your reference, and the date is up to date on an hourly base. Meanwhile, below offers a scrutiny of each cash back sites and a brief review on their performance.