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Firefox Got Faster for Real Users in 2023
(hacks.mozilla.org)
This is a most excellent place for technology news and articles.
Tried that. The moment bookmarks are in and I sync account that's when it slows down. So I have to forego one or both. Also am not using neither installation nor flatpak, it's a simple tar ball because it's FF Dev edition. Doesn't come packaged.
Is it just bookmarks, or is it bookmarks and sync? I'd export your bookmarks as JSON or something and look through it, either with a text editor or some tool, and make sure there isn't some enormously huge string, or one containing unsupported characters, that's tripping something up somehow.
To be honest at this point I forgot. It's been a while since I dealt with this issue. I'll live with it as is.
Import your bookmarks in sections until you hit the one malware URL that's mining coin through the Firefox's interface.