Waterfox defaults to startpage out of the box, but I think duckduckgo is the most “mainstream” alternative
Switching out your default search engine away from google is such an easy step to take that has a massive impact on how much google can spy on you. It should go without saying that chrome is obvious spyware
This would be a good time to learn about Betterirdge’s law!
https://en.wikipedia.org/wiki/Betteridge's_law_of_headlines?wprov=sfla1