Optimizing your images is a quick win for both page speed and search rankings....

https://www.mediafire.com/file/v94hth8g4dvcmrt/pdf-86066-22901.pdf/file

Optimizing your images is a quick win for both page speed and search rankings. Start by renaming files with descriptive, keyword-rich names instead of generic IDs. Always include helpful alt text for accessibility and search engines