What size is the system page image?

The image width should be 750px and can be any height, 750 px x 300 px works nicely

The default system page images in Power Pro theme are slightly different sizes:

Not sure what happened there 😉, but if you're creating custom images, you can use what works best for your design.

Preview the 404 System Page

Preview the 500 System Page

We recommend sizing them close to the size they will be on the page and optimizing with tinypng to reduce the file size.

The images should be loaded as PNG or WebP for optimal loading, but you can also use JPEG or GIF.