Mobile device testing:
- User Agent Switcher (0.7.3). This plugin adds a menu and toolbar to switch the user agent of the browser. How to set the user agent to a mobile device? Browse from your mobile device to a web page giving you your user agent profile (search Google for user agent detection). Copy the user agent string and create a new user agent profile in your Firefox plugin – paste the user agent string and store the profile. When selecting this profile, your browser will send this user agent string to any webpage you are visiting
- Tab Slideshow (4.0). This plugin will cycle through tabs like a slideshow.
- Reload every (7.0.0). This plugin will reload webpages every so many minutes or seconds.