Ví dụ:
Under-required size photo: too small.
Photo of full required size – very BIG.
b.
Mobile
Facebook’s suggestion for photo’s dimensions on News Feed on Mobile
Text: 110 Characters Max.
Title: 1-2 Lines
Domain: 1 Line
Description: Up to 1 Line
Image Size: 560×292 pixels
If the photos can’t meet minimum size of 560×292 pixels, Facebook will automatically adjust it to 100×100.
I know what you are wondering: Why photo News Feed’s photos have larger size on Mobile than on desktop? I guess that it is because there is no sidebars on Mobile interface.