Here's a helpful review based on general knowledge:
: Short for "redirect," this instruction ensures your browser lands on the correct version of the page after you log in or switch modes. Guide to Using Facebook for Free https free facebook com home php rdr
: This is a legacy PHP script that directs you to your main Facebook News Feed. Here's a helpful review based on general knowledge:
: In free mode, images and videos appear as gray placeholders. Clicking "View Photo" will use your paid data. https free facebook com home php rdr
Breakdown of the parts:
: This is a "query string" used by Facebook's servers to handle redirection . It ensures that if you accidentally type a desktop link or are redirected from another site, you stay on the "Free" version rather than loading the data-heavy standard site.