High-quality images shouldn't kill your site performance. Start by renaming...

https://spencersgreatjournal.wpsuo.com/can-i-use-my-main-keyword-in-every-image-filename-the-truth-about-image-seo

High-quality images shouldn't kill your site performance. Start by renaming files with descriptive, keyword-rich names and adding helpful alt text for accessibility and search crawlers