Longstanding Dev. Team Member Rolf runs the fantastic 'CMS Can Be Simple' website blog. On there, you'll find many many useful tips, trick and code snippets that will help you superpower your CMS Made Simple site.

The most recent blog (at the time of writing) provides a useful method to redirect any URLs that can reach a page to the correct canonical URL. As multiple URLs opening the same page can have a bad influence on the SEO status of a site, this is a handy article. Don't take our word for it though, take a look on Rolf's website and while you're there, browse some of the other great articles.

https://cmscanbesimple.org/blog/redirect-all-incoming-urls-to-the-correct-canonical-url