One greatly underutilized search engine optimization tactic is image optimization, specifically regarding file names.
The culprit is when we buy that super awesome photo from iStock and when it saves to your computer the file name is iStock8183952730-50872937.jpg. That is the most uninformative name an image could have. Then without thinking, we upload that image to our website to forever be saved as that filename.
Now there are very complicated ways to change a filename in WordPress, but since file names are stored in the database as well it’s more complex than just changing the image file name in the FTP. In comes Media File Renamer.
This plugin gives you the ability right inside the dashboard to rename images so that they can be more keyword rich and focused.