E-commerce Insights: 19 Ways to Suppress Online Sales

12. Force log in. Eliminate guest checkout; require registration. This will separate those “on the fence” prospects from those who really are serious about placing an order.

13. Forget everything your user tells you. If a user makes a mistake during checkout, erase all the information she’s entered. It’s probably error-ridden anyway, and users appreciate the opportunity to start over with a clean slate. If you feel you must offer helpful error messages, these are best crafted by your IT department.