The most useful measurement starts with a question: what behavior would indicate that delivery is making the next purchase easier or harder?
Repeat purchase rate is an obvious place to begin. Brands can compare customers with similar characteristics who used different delivery methods and look for meaningful patterns over time.
Customer service data adds another view. How many contacts concern order location, delivery timing, missing packages, collection instructions, or failed attempts? Which issues create repeated contacts rather than one simple interaction?
Refunds and replacement orders can also reveal delivery friction. A product return caused by preference is different from a refund caused because a parcel did not reach the customer as expected.
Where pickup or another alternative delivery method is available, completion matters too. A delivery option is not successful simply because customers select it. Customers must be able to complete the receiving process without unnecessary difficulty.
Qualitative feedback is equally useful.
A short comment such as "I order here because I can collect near work" explains something that a delivery-time report cannot. So does "I stopped ordering because packages are left outside my building."
Teams do not need an enormous measurement program to start. A practical review can connect a small group of indicators:
- repeat purchase behavior by delivery method
- delivery-related customer service contacts
- failed or incomplete deliveries
- refunds or replacements connected to delivery problems
- customer comments about convenience, clarity, timing, and receiving location
The purpose is not to produce a single delivery score. It is to find moments where the experience may be adding friction to the next purchase.