metrics for web applications - netcamp 2012
DESCRIPTION
A short presentation designed to be a short overview on relevant business metrics for web applications (SaaS).TRANSCRIPT
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Me
• Founder of Axemblr.com
• Bucharest Java User Group (bjug.ro)
• Worked for Facebook & Adobe
• Connect with me on LinkedIn
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Overview
• Why measure?
• Infrastructure vs. Business Metrics
• SaaS Metrics
• Resources
• Questions
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Why measure?
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Infrastructure Metrics
CPU
Network
Disk Usage
Bandwidth
RAID
IOPS
System Load
Memory UsageSessions
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Infrastructure Metrics
• If it moves it should have a Graph
• Valuable for historical reasons
• Think “flight deck”
• You can know in advance when bad things happen (e.g. Black Friday)
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Business Metrics
COGSLTV
CAC
Conversion Rate
Churn
Cohort AnalysisProfitability
MRRCash
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SaaS MetricsActionable Metrics for SaaS companies
http://www.forentrepreneurs.com/saas-metrics/
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Key Goals
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Profitability
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Guidelines
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MRR
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Customer Profitability
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Customer Profitability
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Cost of Acquiring Cust.
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LTV = ARPU * LT - GOGSLT (life time) = 1 / Churn
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Churn Rate
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Cohort Analysis
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Two Key Variables
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Key Points
• Unified System for Metrics (Facebook like)(e.g. cpu load & network vs. gogs)
• Measure, Analyse, Improve, Repeat
• Run Experiments (scientific methodology)
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Resources #1
• Graphitehttp://graphite.wikidot.com/
• Nagioshttp://www.nagios.org/
• Gangliahttp://ganglia.sourceforge.net/
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Resource #2
• Etsy: Measure Anything, Measure Everythinghttp://codeascraft.etsy.com/2011/02/15/measure-anything-measure-everything/
• Etsy: StatsDhttps://github.com/etsy/statsd
• Coda Hale Metricshttp://metrics.codahale.com/