optimize facebook cover 2020

What is the optimize Facebook profile picture size in 2020?

During 2019 to 2020, the ideal Facebook profile photo size should be 360 x 360 pixels.
But Facebook profile photos must be at least a minimum size of 180 x 180 pixels.
You may upload 720 x 720 pixels and they will optimize for you.

The most suitable size for a Facebook cover photo should be 828 x 465 pixels or with this ratio.

Optimize Facebook Cover Photo during 2020