Cashback websites (also known as rebate websites, reward portals) are one of the easiest ways to save money when purchasing online.

Just sign up, start all of your shopping via the cash back site, and earn rewards after each payment. Many of these sites also provide coupons, discount codes, promo codes and voucher codes – to maximize your saving when shopping.

How can you choose the best and the most reliable cashback service and how to get the largest cashback? See our comparison chart and reviews below – here you can find the most profitable cash back service.

Other well-known cashback comparison sites are cashbackholic.com, cashbackmonitor.com (cashback monitor or cash back monitor), cashbackbin.com, cashbackwatch.com (cashback watch), cashreporter.com (cash reporter), cashbackfanatic.com, cashbackindex.com and mycashback.net.