Heavy images are the quickest way to drag down your site speed and hurt your...

https://damiensimpressivenews.tearosediner.net/the-essential-pre-upload-image-seo-checklist-a-pro-workflow-for-wordpress

Heavy images are the quickest way to drag down your site speed and hurt your search rankings. Start by renaming files to descriptive terms rather than generic strings. Add helpful alt text so search engines understand your content