This plugin is a browser extension called ShopBack Button, designed to provide cashback notifications, price comparison, deal notifications, and voucher notifications while shopping online
It allows users to earn cashback on over 2,000 stores, know when cashback is confirmed, discover cashback offers on Taobao, find the best cashback in search results, compare and get the best prices, keep track of the best deals, and maximize savings with vouchers
The plugin also emphasizes privacy by not storing credit card or personal identifier data and only collecting browsing history and cookies to attribute shopping trips at partner stores