You want to understand if users use their mobile phone to access your site. Which of the
following approach is preferable?
A. Ask "Are you using a mobile phone to access our site?" Yes/No
B. Ask "Which type of device are you using to access our site?" with choices: Desktop
computer/Mobile Phone/Tablet
C. Look at the report Audience/Mobile/Overview
D. This cannot be known because people use multiple devices to browse the Web
following approach is preferable?
A. Ask "Are you using a mobile phone to access our site?" Yes/No
B. Ask "Which type of device are you using to access our site?" with choices: Desktop
computer/Mobile Phone/Tablet
C. Look at the report Audience/Mobile/Overview
D. This cannot be known because people use multiple devices to browse the Web