Quick privacy tips for iPhone users: 1. Enable iCloud Private Relay to hide your IP address from websites (also helps hide what city you live in) - it also prevents ISP's from spying on your DNS lookups

Quick privacy tips for iPhone users: 2. If you use Apple's Safari browser your phone, you can block ads and trackers with a Content Blocker app. I personally like the 1Blocker app, but there are other good ones.