Summary

Pop-up blockers prevent unwanted web pages from appearing on your screen while browsing the internet.  However, sometimes necessary pop-ups are blocked by the system. The pop-up blocker can be disabled for certain sites.  This article gives instructions on how to turn on/off the Pop-up Blocker and how to allow pop-ups for specific websites on Firefox for Mac.

Disabling and Enabling Pop-up Blocker

1. Open Firefox and select Preferences from the Firefox dropdown menu. 
   
   
   
   

    

2. Select Content. You can enable pop-up blocker by selecting the checkbox Block pop-up windows, or disable pop-up blocker by deselecting it.
    

   

Allowing Pop-ups for Certain Websites

1. Open Firefox and select Preferences from the Firefox dropdown menu. 
   
   
2. Click Content. Then select Exceptions. (The exceptions option will only be available if you have turned on pop-up blocker.)
   
   
   
   

3. In the Address of website field, type in the address of the website you would like to allow pop-ups for. Then select Allow. You may close the window. Your changes will be saved.
   
   

Removing Websites from Allowed Sites

1. Open Firefox and select Preferences from the Firefox dropdown menu. 

    

2. Click Content. Then select Exceptions. (The exceptions option will only be available if you have turned on pop-up blocker.)
   
   
3. Select the address you would like to remove and select Remove Site. You may now close the window. Your changes will be saved.