- CPM
- The cost of 1,000 impressions.cost ÷ impressions × 1,000
- CTR
- The share of people who clicked after seeing the ad or the search result.clicks ÷ impressions
- CPC
- The cost of one click.cost ÷ clicks
- Engagement rate
- Sessions in which people read, scrolled or interacted, out of all sessions.engaged sessions ÷ sessions
- New visitors
- People reaching the site for the first time, by source.from Google Analytics 4
- Cart abandonment rate
- Baskets left unfinished, out of those started.abandoned ÷ started
- Conversion rate
- The share of visits that become an enquiry, a booking or an order.conversions ÷ visits
- CPL
- The cost of one lead: an enquiry, a booking or a subscriber.cost ÷ leads
- CAC
- Customer acquisition cost: everything spent on marketing and sales, divided by new customers.total cost ÷ new customers
- Average value
- The average value of an order, a bill or a contract.revenue ÷ orders
- NPS
- How likely a customer is to recommend you, on a scale from 0 to 10.% promoters minus % detractors
- New reviews and average rating
- How many genuine reviews appear each month and how the rating moves.per platform, monthly
- Repeat purchase rate
- Customers who buy again or renew within a given period.repeat customers ÷ customers
- Churn
- Customers lost in a period, out of those at its start.lost ÷ customers at the start
- LTV
- The margin a customer brings over the whole relationship.value × purchases per year × margin × years
- LTV : CAC
- How much a customer brings compared with what it costs to win them.LTV ÷ CAC
- CAC payback
- The months in which the customer's margin covers the acquisition cost.CAC ÷ monthly margin per customer