Don’t let bloated images drag down your site speed. Start by renaming files...

https://delta-wiki.win/index.php/What_Image_Size_Should_I_Upload_to_WordPress%3F_The_Definitive_Guide_to_Speed_and_SEO

Don’t let bloated images drag down your site speed. Start by renaming files with descriptive keywords and including helpful alt text for both accessibility and search crawlers