I've finally got round to doing some serious work on Drupalversity, an open, web-based Drupal education project I've had in mind for a year or so.

People who use Drupalversity to learn have the option of adding Resources to the site - i.e., links to posts at Lullabot, Chapter3 etc that explain how to do specific things with Drupal. A Resource is a custom content type that includes a link to the resource and a text field containing a description of that resource.

What I'd like to do once a Resource has been added to the site is to scrape certain information from it: at this point I'm thinking the Title of the page the link points to and the provider of the resource - e.g., which Drupal shop originally created the resource. What's the best way to go about doing this? I'm pretty sure there's not a Drupal module that solves the problem out of the box.

So far I've considered: