The { -brand-name-firefox-browser } and { -brand-name-opera } are two of the earliest browsers on the scene still releasing frequent updates. While { -brand-name-opera } has not reached the same level of user adoption as { -brand-name-firefox } or { -brand-name-google } { -brand-name-chrome }, it’s maintained a relatively stable and loyal base over a sustained period of time. In this review, we’ll compare the { -brand-name-opera } browser with our { -brand-name-firefox } browser in terms of security and privacy, utility, and portability to help you choose which browser might be the best fit for you.

{ -brand-name-opera } 是为数不多的与 { -brand-name-firefox-browser }一样推出很久，且仍在频繁更新的浏览器。尽管 { -brand-name-opera } 的用户使用率还未达到 { -brand-name-firefox } 或 { -brand-name-google } { -brand-name-chrome } 的水平，但 { -brand-name-opera } 长时间以来依然维持有一群稳定和忠诚的用户。在这篇评比中，我们将 { -brand-name-firefox }与 { -brand-name-opera } 浏览器在安全、隐私、实用和跨平台方面比较，以确定哪款浏览器更适合您。