If the URLs do not open, it means the pop-ups are blocked in your browser. Below are the instructions on how to disable pop-up blockers.
— Click on the icon that appears in address bar
— Select “Always allow pop-ups from https://www.websiteplanet.com/
— Open Settings— Open Content Tab— Under Pop Ups Click Exceptions— Enter https://www.websiteplanet.com/ and select Allow— Save and Restart Firefox
— Open Settings— Go to Advanced Settings— Switch Block Pop Ups Off— After using URL Opener Roll back these settings