Try to add an allow exception for the pogo.com site. Permissions for the domain in the currently selected tab can be managed here: *Tools > Page Info > Permissions You can access Page Info via the right-click context menu on a web page and the Tools menu (Alt+T) and via the Site Identity Button on the left hand side of the location bar. You can manage the permissions for all domains on the <b>about:permissions</b> page. *https://support.mozilla.org/kb/how-do-i-manage-website-permissions