This extension allows you to quickly access webpage last saved version in Wayback Machine and Google Cache.
Sometimes when you open a page the server is down on gives an error or something else happens. But most probably, the page has been cached by Google or Wayback Machine. PageHistory allows you to access last saved version of the page with one click: using a contextual menu item or a toolbar button. If you wish, you can remove toolbar buttons (select View → Customize Toolbar or simply