Trending Now - Firefox Aims to Challenge Chrome in the Age of Cyber Threats

WHO:

Fast Company - Ajit Varma is the head of Firefox at Mozilla.

Fast Company - Mozilla is the nonprofit foundation behind Firefox.

WHAT:

Fast Company - Firefox held more than a quarter of the U.S. desktop market in 2011.

Fast Company - Mozilla reported more than six million new installs of Firefox via the choice screen in the EU.

Fast Company - Firefox accounts for 1.59% of the mobile browser market in Germany and 19.4% of desktop browsing.

Fast Company - In the U.S., Firefox's market share is 0.97% on mobile and 5.4% on desktop.

Fast Company - Mozilla's telemetry shows that just 5% of users have experimented with the AI sidebar feature.

Fast Company - Firefox's built-in VPN has a 50 GB monthly usage cap.

Fast Company - Varma stated that tens of thousands of people are signing up for the VPN every day.

WHERE:

Fast Company - Mozilla is based in San Francisco.

Fast Company - The EU has implemented a browser-selection screen under the Digital Markets Act (DMA).

WHEN:

Fast Company - Mozilla began blocking tracking cookies by default in 2019.

Fast Company - Varma mentioned that Firefox's growth is about 115% higher in iOS due to the DMA.

WHY:

Fast Company - Varma suggests that inertia and the adequacy of default browsers contribute to users not switching from their current browsers.

Fast Company - Mozilla aims to create the best browser while considering how AI can improve user experience.

HOW:

Fast Company - Firefox employs on-device AI models for features like tab grouping and summarizing web pages.

Fast Company - Mozilla's VPN cloaks browsing by routing it through proxy servers run by Fastly.

(UPDATED May 20, 2026 11:54 UTC)

Ajit Varma, the head of Firefox at Mozilla, announced that the nonprofit foundation is seeing significant growth, with over six million new installs of Firefox reported in the EU due to the browser-selection screen mandated by the Digital Markets Act. Currently, Firefox holds a 1.59% share of the mobile browser market in Germany and 5.4% in the U.S. desktop market, while Varma noted that tens of thousands of users are signing up for Firefox's built-in VPN every day, which has a monthly usage cap of 50 GB.