Dead pages, broken links, the scourge of the internet. Powerhouse
sites like Slashdot and Digg can bring a server to its knees. What
do we do when a page is dead but we still want to see it? Call in
the clerics, and perform a resurrection ceremony! Or, the easier
route, use this extension.

WWW: https://addons.mozilla.org/en-US/firefox/addon/2570