Finally, there's something to be said for supporting the underdog.
In the Windows desktop browser arena, Chrome is still the top dog by far (though some of the upcoming AI-based browsers may start nipping at its heels). Edge is in second place. That puts Firefox in third. But I think the browser should be defined by much more than its third-place status.
Unlike Google and Microsoft, which are major corporate giants, the Mozilla Foundation is a nonprofit organization with a strong bent toward online privacy and transparency. That's one reason I prefer Firefox.
Also, if Firefox disappeared, we'd be left with just two major Windows desktop browsers, neither of which places extra emphasis on privacy. That's another reason I favor Firefox.
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Despite my fandom for Firefox, I'm certainly not blind to its weaknesses nor to the criticisms leveled against it.
While Chrome and Edge use the Blink engine to render web pages, Firefox taps into its own Quantum/Gecko engine. This is important because some web developers make sure their sites render properly in Chrome and Edge but leave Firefox as an afterthought.
Many benchmarks also peg Chrome and Edge as faster than Firefox depending on the pages you load and the tasks you run. Additionally, I've found that Firefox typically chews up more memory than Chrome, especially when running multiple tabs.
Then there are the gripes against Mozilla itself. Back in March, Mozilla changed some of the language used in its privacy policy, triggering concerns over its continued focus on user privacy.
As I mentioned, I use Chrome and Edge, so those browsers do play a role for me both personally and professionally. But among the three, I still favor Firefox. I find that most web pages work fine in Firefox, that the browser is fast enough, and that the focus on privacy is still strong, especially with the settings that you can tweak and tighten. For those reasons and more, I remain a dedicated Firefox user.