Most people don’t. Almost everyone has the LinkedIn default background for their profile, and they don’t realize it can – and should – be customized. You likely haven’t even noticed it.

LinkedIn recommends that a cover image be 1584 x 396 pixels. If your image doesn't quite fit those specifications, the image will be adjusted to fit the screen when you upload the image.

This article is more than 10 years old. The transformation has started. LinkedIn has begun rolling out a feature that allows you to upload a customized background for your profile.