It's not just a laggy mouse. I scrolled through half a page of a completely black screen. On a high powered machine with lots of bandwidth and low latency.
I know you aren't supposed to comment on it, but man, you just never know what will set people off on this site, and god knows they won't tell you. Are people bothered that I chimed in to say "works for me" or that I insinuated Fennec F-Droid is usually less smooth than the Webkit-based mobile browsers? I'll never know for sure. Sometimes with Hacker News, whether a comment is actually well-received feels like a dice roll.
My naive guess is that it's a null hypothesis situation. You not seeing a problem isn't a useful indicator for if there is a problem. More than that, it probably hits too close to home for mostly software devs, with the dreaded "Well it works on my machine."
Must be something like that. More than anything, I'd love to know why Firefox seems to be winning on this page; practically the opposite of what you'd expect out of Google pages (because, even without a tinfoil hat on, it's clear they don't test on Firefox often). Maybe uBlock Origin is just cutting out some poorly-written script, who knows.
I don't think it's performance bottlenecking so much as that the site is capturing the cursor and taking over its physics/acceleration, I think? Which probably isn't noticeable as long as the acceleration is similar to how your OS shell is configured, but was definitely noticeable for me on GNOME.
I don't know what graphics acceleration mean in this context, but my 5-year old computer, with 4 Gb of RAM and no discreet graphics card didn't witness any lag.
