How to NOT get bogged down by 404s [ addons ]

Your favorite website down? Rather than visiting it later, or hitting the refresh button incessantly, you can try installing >> ErrorZilla <<, a firefox extension which will add Try Again, Google Cache, Coralize, Wayback, Ping, Trace, and Whois buttons, when a website isn’t found or a web server is down. Think of it as a much more useful 404 error page where rather than just telling you the page doesn’t exist ““ it allows you to search and visit cached versions of the page.