The Ideal Facebook Cover Photo Size and How To Make Yours Stand Out (+ 11 Ideas and Examples)
Briefly

The ideal Facebook cover photo size is 820 pixels wide by 462 pixels tall to ensure clarity across both mobile and desktop platforms.
Using a video cover is a dynamic choice, with Facebook recommending at least 820 x 312 pixels and a length of 20 to 90 seconds for optimal performance.
Cover photos should ideally be in JPG format for quick loading; however, PNG files are preferable for logos or text due to higher quality.
It's crucial to consider both desktop and mobile versions when designing your cover photo, as they display in different dimensions, influencing the cropping and visibility.
Read at Buffer: All-you-need social media toolkit for small businesses
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