Monetizing User Shopping Activity
To find a working promo code, the extension scans the store tab's DOM tree, extracting added product names, personal discounts, and buyer contacts. This harvested consumer behavior database is sent to developer servers to be resold to marketing agencies and tracking networks.
How to Limit Coupon Plugin Interference
- remove auto-promo search extensions after a one-time use
- look up active discount codes manually via specialized web catalogs
- block plugins from running in the background on online banking and marketplace tabs
- use an isolated browser profile without extensions for financial transactions