Where Can You Download Background Images or Vectors for Free?
Free stock image sites have given the general public access to stock images for personal or commercial use. Most of them don't require attribution! Aside from the go-to sites site such as Unsplash or Pixabay, where else can you find background designs for free?
Read more here: https://penji.co/simple-background-designs/
Also consider using CSS gradients - they load much faster and don't use any data!
Gradient magic
CSS gradient generator
And public domain book illustrations from out-of-copyright books can be another fun option:
Old book illustrations
This is a solid and comprehensive list. Thank you!
I also enjoy generators for backgrounds like:
SVGBackgrounds.com
Visiwig.com