Is it possible to combine personalization of results and privacy?

Yes! With Masq.

We are developing a tool, currently available in beta, that allows you to store your data locally. We explain everything on our blog #BetterWeb ⬇️

https://betterweb.qwant.com/masq-by-qwantinteractions-between-masq-and-qwant-maps-a-new-open-source-technology-for-privacy-by-design-online-services/