Know your numbers.
Find your next opportunity.
From the first click to the next purchase. Understand 45 ecommerce metrics, calculate your results, and put them in context.
One library.
The whole customer journey.
Search by name or abbreviation, or choose an area of your business.
45 KPIs
Order value
5 guidesAverage order value
Understand what customers spend per order.
↗ABSAverage basket size
Help every basket do more.
↗RPSRevenue per session
See the value of every visit.
↗Attach rateCross-sell attach rate
Measure the products bought together.
↗Revenue growthRevenue growth rate
Understand how sales are changing.
↗Shopping journey
6 guidesConversion rate
Turn more visits into purchases.
↗GA4Bounce rate
Understand the visits that stop short.
↗CARCart abandonment rate
Find where baskets lose momentum.
↗ATCAdd-to-cart rate
Make the next step feel natural.
↗Checkout CVRCheckout completion rate
Help more checkouts become orders.
↗PDP-to-cartProduct detail to cart rate
Help product interest become intent.
↗Acquisition
6 guidesClick-through rate
Make every impression more relevant.
↗ROASReturn on ad spend
Connect ad spend to sales.
↗CACCustomer acquisition cost
Know the cost of a new customer.
↗MERMarketing efficiency ratio
Put total marketing spend in context.
↗CPCCost per click
Know what each paid visit costs.
↗CPACost per acquisition
Put a price on the conversion you want.
↗Customer loyalty
9 guidesCustomer lifetime value
See the value beyond the first order.
↗Returning customer shareReturning customers
Understand who comes back.
↗RPRRepeat purchase rate
Give the first order a second chapter.
↗Orders per customerPurchase frequency
Understand the rhythm of repeat buying.
↗CRRCustomer retention rate
Measure the relationships that continue.
↗LTV:CACLTV to CAC ratio
Connect acquisition cost to customer value.
↗CAC paybackCustomer acquisition payback period
Know when acquisition pays back.
↗Second-order timingTime to second purchase
Find the right moment to reconnect.
↗ChurnCustomer churn rate
Define when inactivity becomes a signal.
↗Product discovery
9 guidesSite search usage rate
See how shoppers choose to explore.
↗Search CVRSite search conversion rate
Follow search all the way to purchase.
↗Zero resultsZero-result search rate
Give every search a useful next step.
↗Search exitsSearch exit rate
Spot the searches that end the visit.
↗Recommendation CTRRecommendation click-through rate
Measure the suggestions that earn attention.
↗Recommendation CVRRecommendation conversion rate
Connect recommendations to completed orders.
↗Search RPSRevenue per search session
Measure the value of search-led visits.
↗Recommendation shareRecommendation revenue share
Understand recommendation-attributed sales.
↗Chat CVRChat-assisted conversion rate
Understand the journeys that use assistance.
↗Profitability
4 guidesInventory
3 guidesNo matching KPIs.
Try a shorter term or another business area.
Good decisions start
with clear definitions.
Not every metric has a reliable, comparable industry average. Each guide distinguishes sourced external context from a baseline you build using your own data.
Clerk customer results are labeled as direct evidence or related examples. Attributed revenue and comparisons between different shopper groups are not automatically incremental growth.
Understand incremental lift ↗Help every shopper
find their next right product.
Explore how Clerk connects shoppers with relevant products across the buying journey.