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The study claims that Firefox has a 29% share of the European browsing market overall. But that figure exceeds 30% at weekends, suggesting that people are using Internet Explorer at work and opting for Firefox on their machines at home.

Many companies don't allow employees to install software on their work PCs, of course, and with Microsoft's Internet Explorer pre-installed on every Windows machine, the company has a natural advantage.

However, while Firefox continues to grow in popularity in Europe and Australasia, its market share has been dented in North America, where it saw a slip of 1% in March.

Firefox is nearly the dominant player in several European countries, with countries such as Finland and Poland giving the open-source browser a market share of 40% or more.

The stats also claims that the Opera and Safari browsers have seen a slight increase in their popularity, with 3.3% and 2.3% of the market respectively.