У вашего броузера проблема в совместимости с HTML5
How to Auto-Refresh in Mozilla chrome Browser
Link : http://softovio.com/
Auto refresh (reload) pages, on a selected interval. NO ADs. SUPER EASY.
All New Super Auto Refresh 2.0!!!
All New UI that we apply the material design.
All New Control Panel.
Super Auto Refresh lets you to set the reload interval in accordance with your needs.