@Vierkantor start with a Firefox "fennec" respin from the f-droid repo and app. Faster browser updates may need an additional repo for some. The lack of icon in the repo (why?) Can make them super sketchy looking, but most are Good, honest. And uBlock0 is there too.
I recently set up an /e/OS and f-droid phone, and did a bit of comparison using the built-in tracker counters on that OS. I settled on Mull (not Mull*vad*; the badger one) and #DivestOS's repo in #fdroid