The mood you create with it can set the tone for your entire feed.
Here are some tips for optimizing your profile image.
So, verify you’re starting with a high-quality image at least 400-by-400 pixels in size.

Optimize Your Header Image
X’s header image is displayed directly in your profile.
The social web connection recommends a size of 1500x1500.
This image fades to black because yourX biois placed on top of it.
you’re able to alsoupload a background imageif you want.