Your media library shouldn’t be a bottleneck for your site speed. Start by...

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

Your media library shouldn’t be a bottleneck for your site speed. Start by renaming files to descriptive terms instead of generic strings, and always write helpful alt text for accessibility and search visibility