Chrome on Linux is ~1.47 times faster than Firefox on the Jetstream 3 benchmark as recently reported by Phoronix[0]. That's how we want you to spend the money Mozilla, keeping up with your well-funded rival Google, and making it so we don't end up with a browser monoculture. These sorts of distractions just piss me off, and are not part of your core mission.
I remember that Firefox is orders of magnitude more performant in css processing, especially for complex documents with many elements. Can't comment on the javascipt interpeter, so I assume firefox is losing points somewhere else outside the screen painting engine.
Firefox has many weaknesses, but I never once thought “man, that thing is slow”. It isn’t, and chasing benchmark numbers is a waste of effort. A better security model or deeper customizability would be far more valuable.
The fact it's that for a normal usage, Firefox with uBlock Origin it's faster that Chrome without ad blocking. On Android this is especially noticeable.
And regarding (memory) performance, chromium has the "memory saver" settings for unloading tabs. I don't understand why mozilla thinks its acceptable to require users unload tabs manually. Who even does that?
I’m not sure if it’s fair to describe a "wholly owned subsidiary" as unrelated.
> Thunderbolt is funded through a dedicated investment from Mozilla and is being developed by a separate team focused on enterprise AI products, distinct from Thunderbird’s donation-supported consumer product work.
Yes, it's unrelated. Each one has its own resources and roadmaps. They are totally not dependent on each other. Thunderbird and its roadmaps/projects are not affected by Firefox' earnings at all. One's development doesn't affect the others.
[0]: https://www.phoronix.com/review/firefox-chrome-2026