4. 1. More than one tool
2. Own analytics system
New base state
Rollout
Check resultsBase state Set goal Changes
3. Use A/B tests
4. Move all variables to config files
How the analytics works
5. Users conversion rates
User retention
ARPU - average revenue per user
ARPPU - average revenue per paying user
Percentage of users who pay
LTV - life time value
Definitions of typical
metrics:
11. 1. Confidence level
2. Check data
3. Not enough users in a group
4. More than one element at a time
5. Different quality of traffic
6. «Dead» users
Common mistakes