Why is Firefox slower on Linux than Windows?

“Have you tried Firefox 4 on Linux and then tried Firefox on a
friend’s Windows 7 PC? The experience isn’t the same and that’s not
good news for Linux users.

“Mozilla is apparently aware of the issue and they are taking
steps to improve Firefox 4’s performance on Linux. he whole issue
begs the question of why Linux isn’t a bigger priority for
Mozilla.

“I’ve spoken with Mozilla staffers about Linux at multiple
points over the last several years as issues of whether or not
Mozilla cares about Linux have popped up. Long story short is that
Mozilla does care about Linux and have since the beginning of
Mozilla itself. The issue, in my view, is one of focus.”

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