What is the best WordPress permalink structure for SEO?
WordPress saves the permalink of the page/post in a database table. It doesn’t generate them on the fly. Hence, you can change the structure of the post/page URL anytime. You should avoid changing permalinks often because it complicates your site. When you change the URL structure, you’ll have to redirect the old URL to the newer URL with a proper HTTP status code. If you don’t implement the redirect correctly, your site’s traffic from search engines will decline. ...