Mozilla Labs: Prospector - Instant Preview is a restartless extension for Firefox, start loading pages as you select them from the location bar suggestions. By the time you confirm that the first result is the one you want, the page might be all ready for you to use.
To glance at pages to check up on some information, e.g., the weather, stocks, or comics, let the page load as a preview, and once you are done, hit to get rid of the preview and return to where you left off.

Requirements:
* Firefox

The license of this software is Freeware, you can free download and free use this browser plug-ins software.