Glad I made the switch back to FireFox a year or two ago. As a Dev, I was entrenched in Chrome and it wasn't an easy move but with the path Google are currently treading around ad serving, blocking the ad blocks etc. I feel I made the right choice.....
I use Firefox on Android and it's great. Ad blocking is the big one but it's just a good browser. I deleted the Twitter and Reddit apps recently and Firefox lets me bookmark the sites on the launcher so it's like a separate "app" but not taking up 100s MB of space and I can block ads on these sites. I'm hoping that I'll be to use the Twitter desktop extension that prunes even more junk out of the experience - recommendations, what's trending and other clickbait garbage