KPI Metrics

"Blocking & Tackling" metrics

Inspired by Lean Analytics "One Metric That Matters" and in turn by Dave McClure's "Pirate Metrics"

Acquisition

Traffic sources and campaign effectiveness

• Google Analytics
• See also Lean Analytics "Long Funnel" of launching their book

Activation

• % of visitors who sign up
• % of users who opt-in to a newsletter
• % of newsletter recipients who unsubscribe

Retention

Engagement (Peter Yared post on "Little Data")

• % of users who are "askers"
• % of users who are "offerers"
• % of users who are both
• Time since last visit
• Time since last bid
• Time until user closes account

Referral

• Viral coefficient: invitation rate * acceptance rate
• Viral cycle time: first invite sent datetime - join datetime

Infrastructure

• Uptime
• Performance (New Relic)
• Errors (Sentry)