This Wordpress snippet adds an additional 'Last Modified' column to your Wordpress Posts' Admin Columns and shows the date and time the post was last modified and also the user that performed the last edit. Simply add this PHP snippet to your functions.php file: -

Possible uses could be to:-

  1. Know your post content refresh rate. High quality meaningful and regular post content is great for SEO
  2. Keep tabs on your Web Content or SEO Provider
  3. Improve WordPress Post / File versioning - who performed the last update and when