My opinion on Firefox and similar privacy-focused web browsers was sought as part of a larger WIRED story on the current state of Mozilla and Firefox:
[…] Firefox’s privacy credentials are about as strong as any of its commercial rivals. “The main thing with Firefox is how extensible it is,” says Jonah Aragon, a system administrator who also helps run the recommendation website Privacy Guides. The site, which focuses on open source software, ranks the Firefox browsers high. “There’s a lot of privacy features that aren’t enabled by default, which is unfortunate, but it at least gives you the option to enable those if you think that you need them.”
In addition to the main Firefox browser for Android and iOS, Mozilla also runs the Focus browser, which ramps up privacy protections by default. (Deckelmann says the two Firefox browsers have distinct use cases, and she doesn’t see the apps merging into one product.) Aragon adds that while Firefox competes with other privacy-focused browsers, it hasn’t necessarily been the first to introduce these features—for instance, Safari pioneered blocking third-party tracking cookies by default. […]