Check with https://webglsamples.org if you don't believe it. All of it runs capped at 60 fps on Chrome for me, Firefox struggles to break 30 on mid tier settings in aquarium and stutters horribly throughout most of them. I'm sure it's fast at loading static sites, but I wouldn't ever use it to run any web app. On Windows they're both the same though, which is weird to me.
[1] https://amandaguinzburg.substack.com/p/diabolus-ex-machina
I am apparently a different type of person than the author because my obsidian vaults look nothing like theirs, but I can't imagine asking an LLM for a meta-analysis of my writing. The whole point of organizing it with Obsidian is that I do that analysis myself - it is part and parcel of the organization itself.