How to measure and analyse Long Tail search

Now that Google Caffeine is 100% live here's some information about some of more advanced aspects of long tail SEO. By Patrick Altoft

Wake Up with the New Search Index – Caffeine

Google just announced the completion of its newest web indexing system called Caffeine. It’s meant to give search results a jolt with 50% fresher results than their previous index. By Peter Jalbert

A real first assessment of Caffeine

Michael Martinez believes he has confirmation that Caffeine is powering Google’s index (at least on whatever data centers I am being directed to).