This document discusses web analytics and analytical techniques. It begins with some definitions of key terms related to web analytics, such as pageviews, visits, unique visitors, referrers, and conversions. It then covers topics like qualitative user research methods, testing and experimentation, and analyzing social, mobile, and video data. The document provides examples of metrics for blogs, Twitter, and video analytics. It emphasizes testing hypotheses and measuring multiple outcomes to drive continual improvement of the online experience.