Go to WRDS (see access details) and select ComScore.
Go to eMarketer and select Ecommerce to browse and select subtopics of interest
Use Mintel - Categories include Retail & Apparel -- eCommerce and other categories include reports and articles mentioning online shopping behaviors. 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 providing access to statistics, analysis, country reports, and more
Use SimplyAnalytics
Go to Statista to access eCommerce and Internet statistics and reports. Also, check out the Digital Market Outlook and Global Consumer Survey
The U.S. Census Bureau provides statistics and reports on:
For research on Internet usage, also look at 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, use Alexa.
