Optimizing images is the easiest way to boost speed and search ranking. Start...

https://www.acid-bookmarks.win/optimizing-images-is-the-fastest-way-to-boost-both-site-speed-and-organic

Optimizing images is the easiest way to boost speed and search ranking. Start by naming files descriptively—ditch the generic "IMG_001"—and write alt text that actually describes the content