Why does FireFox automatically send the first result request to Google?

Question

In FireFox 3.6.1 (new installation), I see a request sent to the first search result (Google) without user intervention.

Why is this?

Answer 1

Some browsers are configured to preload some links on the page to minimize perceived delays. Google really supports that. For example, when I google for "blah", the first result includes this code:

<link rel=prefetch href="http://en.wikipedia.org/wiki/Blah">

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