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site-performance-watch Monitoring and alerting framework for ecommerce site speed, errors, and uptime.

Site Performance Watch Skill

When to Use

  • Setting up proactive monitoring during campaigns or launches.
  • Investigating conversion drops tied to latency or availability issues.
  • Communicating performance incidents to merchandising and engineering teams.

Framework

  1. KPI Stack FCP, LCP, CLS, TTFB, checkout API latency, error rates, uptime.
  2. Segmentation device, geography, browser, promotion, traffic source.
  3. Alerting Rules thresholds, aggregation windows, escalation paths, war-room triggers.
  4. Diagnostics logging, tracing, screenshot/session replay hooks.
  5. Comms Kit stakeholder updates, status pages, rollback plans.

Templates

  • Performance scorecard with spark lines + thresholds.
  • Incident log template with root cause, mitigation, and follow-up tasks.
  • Escalation matrix covering engineering, DevOps, merchandising, and CX leads.

Tips

  • Pair synthetic monitoring with RUM data to catch both systemic and localized issues.
  • Freeze experiment/merch changes when performance breaches critical thresholds.
  • Use alongside diagnose-conversion-drop to correlate experience and performance data.