One of the simplest things you can do to improve SEO is remembering to add alts and titles on any images you upload and include in a post, and giving your image file an appropriate name rather than DS-005132.jpg

And for those of you who have upgraded to WordPresses 5.0 or higher, I’ve created a quick video showing you how you can not only change file names, but also set alts and titles when you’re adding images to a post.