Every 20 secondes : Switch to next tab & refresh next (+1) tab
Auto-refresh is an extension for Google Chrome which monitors the HTTP traffic and if a page fails to load, it auto-refreshes that page.This description specially develop to Switch to next tab & refresh next (+1) tab. The duration of Switch to next tab & refresh next (+1) tab is 20 seconds.
How to use it?
Just find it in the Google Chrome Extensions gallery and install it from there.