gtmagents/site-performance-watch
plugins/e-commerce/skills/site-performance-watch/SKILL.md
Monitoring and alerting framework for ecommerce site speed, errors, and uptime.
$ install --global
skillsauthnpx skillsauth add gtmagents/gtm-agents site-performance-watchInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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TrivyContainer and dependency vulnerability scanner
95%
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SemgrepStatic code analysis for vulnerabilities
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Snyk (dep)Open source security scanning
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Socket.devSupply chain security analysis
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VirusTotalMulti-engine malware detection
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CrowdStrikeAdvanced threat intelligence
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OSV-ScannerOpen Source Vulnerability database check
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OWASP Dep-Check
50%
Last scanned: Apr 5, 2026, 2:47 PM4.3s1 file scanned
SKILL.md
- name:
- site-performance-watch
- description:
- Monitoring and alerting framework for ecommerce site speed, errors, and
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
- KPI Stack – FCP, LCP, CLS, TTFB, checkout API latency, error rates, uptime.
- Segmentation – device, geography, browser, promotion, traffic source.
- Alerting Rules – thresholds, aggregation windows, escalation paths, war-room triggers.
- Diagnostics – logging, tracing, screenshot/session replay hooks.
- 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-dropto correlate experience and performance data.
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