Facebook Mobile Friends List order 2019

Facebook has an ingrained formula that monitors just how you interact with your friends and then sorts appropriately. Source

Facebook Mobile Friends List Order

While the specific ranking algorithm is secret, it does think about the following elements:

* Just how commonly you see your friends' accounts

* Just how typically you click your friends' links

* Photos/tags in common

* Common teams/ organizations

* utual Friends

* How often you look for friends

* Relative popularity (just how popular your friends are among your shared connections).

So, the actual sorting is not random, but instead thoroughly crafted to assist in communication and site interactions.