This stands for "redirect." It ensures that your browser lands on the correct version of the homepage based on your device and data settings.
It was a risk. It would strip the message of any formatting and send it as a raw data packet, but it was smaller. Lightweight. https freefacebookcom homephp rdr better
Navigating Facebook: Understanding "freefacebook.com" and Staying Safe Online This stands for "redirect
The screen went white. The browser chugged. The status bar at the bottom of the browser read: Sending request to free.facebook.com... https freefacebookcom homephp rdr better