Q. Where can I find browsing and buying behavior of Internet users?

Go to WRDS and select ComScore.

Note: WRDS requires a Wharton username and password.

Go to eMarketer, select Topics, then Retail & eCommerce to browse and select subtopics of interest

Go to Mintel - Categories include eCommerce. Mintel reports include interactive Databooks, some featuring questions regarding respondents' online browsing and purchasing habits

Go to Passport, then hover over Consumers in the top menu and select Digital Consumer to access a dashboard featuring statistics, analysis, country reports, and more

Go to SimplyAnalytics

Go to Statista to access eCommerce and Internet statistics and reports. Also, check out the Digital Market Outlook and Global Consumer Survey

For research on Internet usage, go to Pew Internet and American Life Project.

Also take a look at Google Trends "to see what the world is searching for" and Google Shopping Insights to "understand which products and brands are popular among consumers" using Google. 

For website traffic rankings, go to Alexa.