On line shopping requires:
Fast loads
Easy to follow menu and locating products
Photo and text presentation of products sold
Ordering or cross referencing by manufacturers part numbers (ie Harken 064, Wichard 11249) Then I can look in my parts book for this manufacturers and get the exact item I want.
Ability to purchase almost all sailing hardware offerred by a manufacturer through the shop with direct shipment if necessary.
Clear restocking charges
Boat specifics for lines and hardware
Boat diagrams with part descriptions
Feedback page
Availability
Easy search
Market leading pricing
Shipping options to include snail mail to hold done cost to express delivery for the person who needs it now
Expected shipping dates / Actual shipping dates
Good Luck.