Found this lengthy article on conducting a content audit on BluLeadz's site
How to Conduct a Content Audit (+ Template)...In a content audit, you analyze your existing content and compare it to key trends in your market and customer base. Basically, you're taking a step back to get a deeper understanding of what your content has achieved and where you want your content strategy to go...
What do you think? Are you going to give it a try?
If you have done a content audit before what tips and comments do you have to share?