Ghostery

The easiest one-install answer for a housemate who hates cookie banners as much as ads. Ghostery blocks ads, trackers and popups, and its Never-Consent feature answers consent banners for you by refusing tracking, which removes a daily chore that ad blockers alone leave behind. Its tracker panel shows which trackers each page tried to load and which were stopped, a good way to make the problem visible to someone skeptical. Every feature is free with no subscription, the code is open source, and it runs in Chrome, Edge, Opera, Firefox and the other major browsers. Power users will miss uBlock Origin's fine controls, but that is exactly why it suits everyone else.