WowHead uses XML and every site that uses its data uses some sort of XML parser. You'd have to write a script for it. The most commonly used scripting language for this is PHP which comes with a basic XML parser, and can be installed on Windows and used from the command line (no web server needed).
Anyone know if there’s a way to toggle off the heirloom XP notification on autopilot? I get a message across the top that says “** You only got 0 do gaining Heirlooms Equiped! “ which is correct but I don’t need to lose hi space for this constant reminder message