Another story is if computer has at least Haswell/8GB
My oldest in-use machine is an i7-3770 (3.4hgz, 4 core) with 16GB of RAM and an SSD running Windows 10. That's an Ivy Bridge from ~2011 which is a generation older than your Haswell but, honestly, it's still pretty modern... performs at about 50% of a 2023 i5 in CPU benchmarks.
FF absolutely smooth on there.
Typical usage on that machine is usual recreational web crap. It's my game/relaxing machine. Running 1-2 windows with some mix of Twitter, YouTube, Gmail, Amazon, whatever.
Zooming out, I have been running a mix of FF and Chrome for dev work ever since their respective debuts. We're talking easily 2000+ hours a year of browser usage for 20+ years. I have never seen the FF performance issues others get into a fuss about.
I honestly have no explanation for this. I'm sure that other people are telling the truth but I find it mystifying. I've never had monster high-end CPUs but I've always run AdBlock/uBlock, I generally have as much RAM as feasible, and was an early SSD adopter. Maybe I dodged some FF issues that way. I also never have massive numbers of tabs/windows... usually a max of 10-15 tabs over 1-3 windows. I'm also not running "big" browser-native apps like Figma or whatever in FF.
It's not that I'm insensitive to performance. I run 144hz monitors for gaming and that's a big difference to my eyes. There are also some UI things that are noticeably faster in Chrome like dragging a tab to a new window but that's not a big part of my browsing experience.
(FWIW, Safari has always felt significantly faster to me during my infrequent usage. IIRC they do some latency reduction tricks on MacOS. So even though typical web benchmarks show it as slower, it "feels" faster to me)
FF absolutely smooth on there.
Typical usage on that machine is usual recreational web crap. It's my game/relaxing machine. Running 1-2 windows with some mix of Twitter, YouTube, Gmail, Amazon, whatever.
Zooming out, I have been running a mix of FF and Chrome for dev work ever since their respective debuts. We're talking easily 2000+ hours a year of browser usage for 20+ years. I have never seen the FF performance issues others get into a fuss about.
I honestly have no explanation for this. I'm sure that other people are telling the truth but I find it mystifying. I've never had monster high-end CPUs but I've always run AdBlock/uBlock, I generally have as much RAM as feasible, and was an early SSD adopter. Maybe I dodged some FF issues that way. I also never have massive numbers of tabs/windows... usually a max of 10-15 tabs over 1-3 windows. I'm also not running "big" browser-native apps like Figma or whatever in FF.
It's not that I'm insensitive to performance. I run 144hz monitors for gaming and that's a big difference to my eyes. There are also some UI things that are noticeably faster in Chrome like dragging a tab to a new window but that's not a big part of my browsing experience.
(FWIW, Safari has always felt significantly faster to me during my infrequent usage. IIRC they do some latency reduction tricks on MacOS. So even though typical web benchmarks show it as slower, it "feels" faster to me)