1. Monthly Recurring Revenue (MRR) : This is the amount of revenue a company expects to earn from its customers each month.

2. Customer Acquisition Cost (CAC)  :This metric calculates the cost of acquiring a new customer, including all marketing and sales expenses.

3. Customer Lifetime Value (CLV)  :This metric represents the total value a customer will bring to a company over the course of their relationship.

4. Churn rate  :This is the percentage of customers who cancel their subscriptions or stop using the product in a given time period.

5. Gross Margins:  This measures the difference between the revenue a company generates and the cost of producing the goods or services.

6. Runway:  The amount of time a startup has before it runs out of cash, based on its current spending rate and available cash.

7. Burn rate:  This measures how much cash a startup is spending each month.

8. Conversion rate : This measures the percentage of visitors who take a desired action, such as making a purchase or signing up for a newsletter.

9. Net Promoter Score (NPS) : This is a measure of customer satisfaction and loyalty.

10. Active users : The number of people who use the product or service on a regular basis.

11. Time to Payback CAC : The amount of time it takes for a startup to recoup the costs of acquiring a customer.

12. Viral coefficient : This measures the rate at which existing users bring in new users, either through word-of-mouth or other forms of referral.

13. Monthly Active Revenue (MAR) : This is similar to MRR, but it measures revenue generated by active users rather than total subscriptions.

14. Engagement metrics : Measures of user activity, such as time spent on the site, number of pages viewed, and number of interactions with the product.

15. Retention rate:  The percentage of customers who continue to use the product over time.