Isn’t it annoying when websites resize your browser window? I think it is. If you do too, and you use Firefox, then I can tell you a way to prevent that. All you have to do is follow these 4 simple steps, and sites won’t be able to resize your Firefox window anymore.
Step 1: Click Edit in the toolbar, then click Preferences.
Step 2: Click on the Content tab.
Step 3: Click on the Advanced button, which is across from the Enable Javascript checkbox.
Step 4: Uncheck Move or Resize Existing Windows.