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Micro-conversion

| Article: 2 min read | Conversion, Increase conversion

A micro-conversion is a small action by a visitor that does not bring in money right away but leads to the site's main goal (the macro-conversion): for example, adding a product to the cart, starting checkout or subscribing to a newsletter.

In plain words

A purchase is the finish line. Before it, a person goes through several steps: finds a product, opens the product page, adds it to the cart, starts checkout. Each such step can be counted as a separate conversion. Nielsen Norman Group defines a macro-conversion as a desired action that directly serves the business's main goals, and micro-conversions as smaller steps toward it that are only indirectly tied to key indicators but happen more often (NN/g, 2024).

Two types of micro-conversions

NN/g distinguishes (NN/g):

  • Process milestones: required steps on the way to a purchase. They show exactly where people drop off.
  • Secondary actions: not needed for a purchase, but they show interest in the brand and can predict future purchases.

Examples in an online store

Process milestones: - viewing a product page; - adding to the cart; - starting checkout; - choosing delivery (a Nova Poshta branch or parcel locker); - choosing payment (card or cash on delivery).

Secondary actions: - subscribing to a newsletter or a Viber/Telegram channel; - adding to a wishlist; - a "notify me when back in stock" subscription; - clicking a phone number or a messenger link; - using filters or site search; - watching a product video.

Why track them

  • Purchases are few and change slowly. NN/g cites an average conversion rate of 2.9% across industries and explains that with such a metric it is hard to notice the effect of small design changes. There are more micro-conversions, so data builds up faster (NN/g).
  • You can see where the problem is. If people add to the cart but do not start checkout, look at the cart, not the product page (see cart abandonment).
  • Useful with low traffic. When there are too few orders for an A/B test, a micro-conversion (for example, add to cart) can be a working metric.

Hypothetical example. A store has 20,000 sessions a month and 300 orders. Add-to-cart events: 1,600. The "cart" micro-conversion is 8%, and from cart to order about 19%. After changing the product page, add-to-carts rose to 1,900 (9.5%) and orders to 310. The rise in carts is visible immediately; whether it turns into purchases only shows over time.

In GA4 it is convenient to collect micro-conversions as events (`add_to_cart`, `begin_checkout`, `add_to_wishlist`) and mark them as key events if needed.

What to watch for

  • A micro-conversion is an intermediate metric. Check whether its growth leads to more orders.
  • Do not mark dozens of events as key: reports become unreadable, and in ad accounts optimization may drift to "easy" actions instead of sales.

FAQ

How is a micro-conversion different from a macro-conversion? A macro-conversion is the main action (an order, a lead). A micro-conversion is a step toward it or a secondary action that shows interest.

Which micro-conversions should an online store track? At least all the steps of the funnel: product view, cart, start of checkout, delivery, payment.

Sources

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