Monitoring & Observability

  • ☐ Error monitoring installed (ProdFix, Sentry, or equivalent)
  • ☐ Alerts configured for new errors and rate spikes
  • ☐ Core Web Vitals being captured
  • ☐ Server error logs accessible

Security

  • ☐ HTTPS everywhere (including API)
  • ☐ Content Security Policy header set
  • ☐ Auth tokens in httpOnly cookies, not localStorage
  • ☐ Rate limiting on auth and sensitive endpoints
  • ☐ Environment variables not in source code
  • ☐ SQL injection protection (parameterized queries)

Performance

  • ☐ LCP under 2.5s on mobile (check with PageSpeed)
  • ☐ Images optimized and lazy-loaded
  • ☐ JS bundle size checked
  • ☐ Database queries indexed

Payments & Legal

  • ☐ Payment flow tested with real card (not test mode)
  • ☐ Webhook handler deployed and tested
  • ☐ Privacy policy published
  • ☐ Terms of service published
  • ☐ GDPR/CCPA basics in place if applicable

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Monitoring. It's always monitoring. Founders rush to launch and add it "later" — but later means after the first batch of users already hit the unfixed bugs. Spend 10 minutes on ProdFix setup before your first tweet.

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Free tier · 3 projects · MCP for Cursor + Claude Code