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

https://www.pure-bookmark.win/fixing-link-building-how-small-and-medium-seo-agencies-can-build-a-reliable-scalable-process

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