1 item
Switch to previously active tabs. See tab visited history in popup. UPDATE: You can now access the last 10 tabs you've visited, in case you want to jump back further than the last tab. A small utility to allow you to toggle between current and previous tabs with Ctrl/Cmd + Shift + K. You can set your own shortcuts in chrome://extensions/shortcuts.
rating_count is the Chrome Web Store ratings count, not a written-review count.