If your media library is a graveyard of unoptimized files, your site speed is...

https://fun-wiki.win/index.php/How_Long_Should_Alt_Text_Be%3F_The_Definitive_Guide_to_Image_SEO

If your media library is a graveyard of unoptimized files, your site speed is suffering. Start by renaming images with descriptive, keyword-rich filenames instead of generic numbers. Always include helpful alt text for accessibility and search ranking