Alternately, you can right-click anywhere on the page and choose the ReloadEvery menu. The extension works on a per-tab basis, meaning you can choose different refresh rates for different sites.

It is possible to add HTML code to a Web page to cause the browser to refresh the page automatically at a specified interval. This feature is called a "meta refresh." It can also be used to ...

Facebook pages automatically refresh to display new, up-to-date content. The refresh is initiated by a meta refresh HTML tag embedded in the page source code, so you can't stop Facebook from ...

Auto-refresh can be used to leave Twitter running on a PC-connected TV, for example, without involvement from you. You can then just glance at the screen.