Mozilla to close China entity for Firefox as market share falls below 1%
Mozilla, the operator of the Firefox web browser, plans to shut down its entity in China, as seen in notices earlier this week.
The Chinese version of Firefox informed users about the closure of its Beijing office and the termination of local accounts, although the notice has since been removed.
A Mozilla employee provided a guide on the company’s Chinese-language forum, detailing how users can back up and restore their data and settings.
Firefox, launched in 2004, reached a global market share of 30% by 2009, primarily competing with Microsoft’s Internet Explorer. However, its popularity declined as Google’s Chrome became dominant in 2011.
In China, Firefox has faced challenges in maintaining its market presence. As of June 2025, its market share in the country fell to below 1%. It now ranks eighth behind competitors such as Tencent’s QQ Browser and Alibaba’s UC Browser, along with other international browsers, according to Statcounter data.
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Firefox’s retreat from China mirrors its broader global decline, falling from 30% worldwide market share in 2009 to just 2.5% today, illustrating how difficult sustainability has become for alternative browsers1.
The dominance of platform-integrated browsers, such as Chrome with Android (46% share in China) and Safari with iOS, has created a nearly insurmountable barrier for independent browsers2.
This represents a dramatic shift from the early 2000s when Firefox successfully challenged Internet Explorer’s dominance, raising concerns about diminishing browser diversity and competition.
Reliance on search engine deals (primarily with Google) for revenue has made it increasingly difficult for Mozilla to maintain financial independence while staying true to its “internet for people, not profit” mission3.
Despite early investment and localization efforts since establishing its Beijing entity in 2005, Firefox consistently struggled to exceed 2-3% market share in China’s fiercely competitive browser landscape4.
The Chinese browser market features 30-40 competing products, with local options from tech giants Alibaba (UC Browser) and Tencent (QQ Browser) now outperforming many Western alternatives4.
Mozilla’s experience reflects a broader pattern where Western tech platforms face significant hurdles in China, with local competitors benefiting from better understanding of user preferences and regulatory requirements.
The closure follows Firefox’s steady decline to eighth place with less than 1% market share, demonstrating how even established global brands struggle to maintain relevance in China’s self-sufficient digital ecosystem5.
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