Google Analytics

https://analytics.google.com/analytics/web/?authuser=1#/p335256466/reports/intelligenthome

Traffic sources

How did the user access our website, e.g., direct visit, through search engine or external links. And where the user comes from, e.g. region, time zones.

Page visits

Page view counts, up to per section in the textbook.

Scroll depth

25%, 50%, 75% scroll depth.

Video watches

Video watch counts of every embedded youtube video.