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Raising average order value with a cart progress bar

How a progress bar toward a minimum order or a bigger discount nudges customers to add one more item, how to choose the target amount and how to measure the effect.

PKBy PriceKit team··1 min read

Add €20.00 more for 25% off20%€5025%€10030%€250

"Add €12.00 more for free shipping" is one of the oldest tricks in e-commerce because it works: a visible goal close to where the customer already is.

Why a progress bar works

A bar turns a rule ("minimum order €50") into a goal ("€12.00 to go"). Customers already have the cart open; one more item is a small step when the reward is right there.

Pick a goal that is close

A target only helps if many carts are near it.

Your typical order Good next goal Too far
€40 €50–55 €100
€80 €100–110 €200
€150 €180–210 €400

Find your typical (median) order value in Insights → Discount orders vs other orders.

Make the reward worth it

The bar can point to three things in PriceKit:

  • the minimum order (a requirement, not a reward, so keep it low),
  • the minimum for the member discount (Pro),
  • the next order value step: "Member price 25 % from €100 — add €20.00 more" (Pro).

Order value steps make the reward grow with the order, so the bar always has a next goal.

Show it where the decision happens

The cart page, the side cart that opens after "Add to cart", and the block checkout. PriceKit shows the bar in all three and updates it as the cart changes.

Measure, then adjust

Insights → Cart progress bar shows how many orders came from carts that saw the bar, how many reached the amount, and the value added between the first view and the order.

Change one thing at a time — the target or the step — and compare 2–4 weeks before and after.

Questions

Where does the progress bar appear?
On the cart page, in the side or mini cart of most themes, and in the Cart and Checkout blocks. It updates as the cart changes.
What should the target amount be?
Look at your typical (median) order in Insights and set the next goal 20–40 % above it. Much higher and most customers ignore it.
How do I know if it works?
Insights shows orders from carts that saw the bar, how many reached the amount and the value added between the first view and the order. Compare 2–4 weeks before and after one change.

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