AMP pages allow Google to index and distribute your content, instantly everywhere. Here's how to enable it in MODX CMS.
This method is 40x faster than the next fastest method, for generating XML sitemaps in MODX CMS.
Update on MODX Revolution 2.2 site build: schema.org implementations.
There's many options for handling redirects in MODX CMS. Here's a rundown, along with some custom code for a quick and fairly performant solution.
Recently I analyzed a potential client's site that had some pretty glaring errors in the page header as far as SEO is concerned. The good news is that it's really easy to fix.
If you needed another reason to love MODX, here's one: the Core Team is responsive to user feedback and the platform is rapidly getting better because of it.