Monitoring Your Site

Steve Souders
High Performance Web Sites, Even Faster Sites, Web Performance Daybook Volume 2

• Content Performance
  • Synthetic vs RUM
  • Synthetic: WebPageTest (O'Reilly, "Using WebPageTest"), PageSpeed, YSlow
  • RUM: SpeedCurve, catchpoint, pingdom
• Application Performance
  • New Relic, AppDynamics, Foglight, etc.
• Servers/Infrastructure
  • Nagios, Zabbix, Sensu, statsd/graphite
• Capture (Log), Measure, Display
  median, 95th, 98th percentile.