Optimizing your media library is the smartest way to boost site speed and...

https://mighty-wiki.win/index.php/Can_Bad_Alt_Text_Hurt_SEO_or_Just_Accessibility%3F_The_Truth_About_Image_Optimization

Optimizing your media library is the smartest way to boost site speed and search rankings. Start by renaming files with descriptive terms and adding helpful alt text for accessibility