📌 User Experience Metrics

Metric What it Measures
Task Success Rate (TSR) The percentage of users who successfully complete a given task
Time on Task (ToT) The average time a user needs to complete a task
Error Rate The percentage of errors made by users during task completion
Customer Satisfaction Score (CSAT) User satisfaction, usually gathered via surveys or ratings
Ease of Use Subjective evaluation of how easy the interface is to use
Bounce Rate Percentage of users who leave a page without interacting
Scroll Depth How far down a page users scroll, expressed as a percentage
Retention Rate The percentage of users who return to the product after a given time
Net Promoter Score (NPS) User loyalty, based on likelihood to recommend the product
First Contentful Paint (FCP) Time until the first content appears on screen
Abandonment Rate Percentage of users who start but don’t finish a process (e.g. checkout)
Conversion Rate (CR) Percentage of users who complete a desired action (purchase, signup)

📌 Product Metrics (Supporting UX Performance)

Metric What it Measures
Number of Completed Tasks Total number of successful user tasks
Process Accuracy Accuracy and correctness of user flows and interactions
Function Speed Responsiveness and performance of product functionalities
Technical Stability Number and severity of system errors or crashes
Feature Adoption How often specific product features are used
User Engagement Rate (ENG) Overall engagement within the product (sessions, clicks, etc.)

📌  Business metrics

Metric What it Measures
Conversion Rate (CR) Business goal completions like purchases or form submissions
Operational Expenditure (OPEX) Costs of delivering and maintaining the service
Efficiency Ratio (EFF) Operational efficiency relative to costs
Customer Churn Rate (CHURN) Percentage of customers who stop using the product
Brand Value (BRAND VAL) Perceived market and customer value of the brand
Customer Lifetime Value (CLV) Revenue a customer brings throughout their relationship
Average Revenue Per User (ARPU) Average revenue generated per active user
Advertising Revenue (ADS REV) Revenue generated from ad placements in the product
Customer Acquisition Cost (CAC) Cost to acquire a new customer
Word of Mouth Impact (WOM) Business impact generated by customer referrals
Monthly Recurring Revenue (MRR) Recurring subscription-based revenue per month
Search Engine Ranking Position (SEO RANK) Position in search engine results
Organic Traffic (ORG TRAF) Number of users visiting via unpaid (organic) channels
Lost Revenue (LOST REV) Potential revenue lost through process or experience failures
Return on Investment (ROI) Profitability of investments made
Return on Ad Spend (ROAS) Revenue generated per currency unit spent on advertising