Anthony Enzor-DeMeo is taking charge of one of the internet’s most important — and most complicated — companies.

Firefox’s parent firm doesn’t have to worry about losing its Google default-search royalties. But it does have other concerns. Several weeks ago, Mozilla Firefox dodged a bullet aimed at its business ...

Let’s face it: For many people, web browser performance could well be more important than general PC performance. Browser makers are wising up to this, too. Google Chrome just introduced new ...