The ProdFix Blog

Production guides for solo founders, vibe coders, and indie hackers. Ship faster. Break less.

prodfix ● All Projects ○ Issues ○ Performance ○ Security ○ UX All Projects 98.7% uptime this month 3 open issues 1.4s avg LCP ● main-saas 142 errors · 23 open · LCP 1.8s critical ● side-project-2 8 errors · 1 open · LCP 2.1s warn ● chrome-ext 0 errors · all clear · LCP 0.9s good
How-To
How to Group and Triage Errors in ProdFix
Error grouping helps you see patterns and prioritize. Here's how to organize your error dashboard.
2025-05-01 · 4 min read
prodfix — terminal ❯ npx @prodfix/sdk init ✓ SDK initialized — 3 projects, 0 errors ❯ prodfix issues --project my-saas ● TypeError: Cannot read properties of undefined at Checkout.jsx:47 · 23 users affected · 142 events ● UnhandledRejection: Payment API timeout at api/checkout.js:89 · 8 users affected · 31 events ❯ _
How-To
How to Add Custom Tags to Error Events in ProdFix
Custom tags let you filter errors by feature, environment, or user type. Here's how to add them.
2025-05-02 · 3 min read
prodfix — terminal ❯ npx @prodfix/sdk init ✓ SDK initialized — 3 projects, 0 errors ❯ prodfix issues --project my-saas ● TypeError: Cannot read properties of undefined at Checkout.jsx:47 · 23 users affected · 142 events ● UnhandledRejection: Payment API timeout at api/checkout.js:89 · 8 users affected · 31 events ❯ _
How-To
How to Monitor Cloudflare Workers Errors
Cloudflare Workers have unique monitoring requirements. Here's the complete setup guide.
2025-05-03 · 4 min read
Error rate over time last 30 days · errors per 1000 sessions ↑ deploy without monitoring ↓ ProdFix installed errors caught fast — actual - - trend · prodfix.com
How-To
How to Track Custom Web Vitals Metrics
Beyond LCP, CLS, and INP: how to track custom timing metrics that matter for your specific SaaS.
2025-05-04 · 4 min read
prodfix — terminal ❯ npx @prodfix/sdk init ✓ SDK initialized — 3 projects, 0 errors ❯ prodfix issues --project my-saas ● TypeError: Cannot read properties of undefined at Checkout.jsx:47 · 23 users affected · 142 events ● UnhandledRejection: Payment API timeout at api/checkout.js:89 · 8 users affected · 31 events ❯ _
How-To
How to Add Error Monitoring to an Electron Desktop App
Electron apps have both renderer and main process errors. Here's how to monitor both.
2025-05-05 · 4 min read
prodfix — terminal ❯ npx @prodfix/sdk init ✓ SDK initialized — 3 projects, 0 errors ❯ prodfix issues --project my-saas ● TypeError: Cannot read properties of undefined at Checkout.jsx:47 · 23 users affected · 142 events ● UnhandledRejection: Payment API timeout at api/checkout.js:89 · 8 users affected · 31 events ❯ _
How-To
How to Integrate ProdFix with GitHub for Issue Tracking
Automatically create GitHub issues from ProdFix errors. Step-by-step integration guide.
2025-05-06 · 4 min read
prodfix — terminal ❯ npx @prodfix/sdk init ✓ SDK initialized — 3 projects, 0 errors ❯ prodfix issues --project my-saas ● TypeError: Cannot read properties of undefined at Checkout.jsx:47 · 23 users affected · 142 events ● UnhandledRejection: Payment API timeout at api/checkout.js:89 · 8 users affected · 31 events ❯ _
How-To
How to Monitor React Native App Errors with ProdFix
React Native error monitoring setup guide. Covers iOS, Android, and Expo.
2025-05-07 · 4 min read
⚠ New Error Detected TypeError: Cannot read properties of undefined Checkout.jsx:47 · 5 users · 2 min ago View in IDE → Dismiss Alert via 📧 Email · Slack within 60 seconds Fix via Cursor + MCP avg 4 min to fix
How-To
How to Set Up Error Budget Alerts
Error budgets quantify acceptable failure rates. Here's how to set up budget-based alerting.
2025-05-08 · 4 min read
prodfix — terminal ❯ npx @prodfix/sdk init ✓ SDK initialized — 3 projects, 0 errors ❯ prodfix issues --project my-saas ● TypeError: Cannot read properties of undefined at Checkout.jsx:47 · 23 users affected · 142 events ● UnhandledRejection: Payment API timeout at api/checkout.js:89 · 8 users affected · 31 events ❯ _
How-To
How to Debug Network Errors in Production JavaScript
Network errors in production are hard to reproduce. Here's the systematic approach to debugging them.
2025-05-09 · 5 min read
prodfix — terminal ❯ npx @prodfix/sdk init ✓ SDK initialized — 3 projects, 0 errors ❯ prodfix issues --project my-saas ● TypeError: Cannot read properties of undefined at Checkout.jsx:47 · 23 users affected · 142 events ● UnhandledRejection: Payment API timeout at api/checkout.js:89 · 8 users affected · 31 events ❯ _
How-To
How to Monitor TanStack Query Errors in Production
TanStack Query errors need specific setup to be captured by error monitoring. Here's the guide.
2025-05-10 · 4 min read
prodfix — terminal ❯ npx @prodfix/sdk init ✓ SDK initialized — 3 projects, 0 errors ❯ prodfix issues --project my-saas ● TypeError: Cannot read properties of undefined at Checkout.jsx:47 · 23 users affected · 142 events ● UnhandledRejection: Payment API timeout at api/checkout.js:89 · 8 users affected · 31 events ❯ _
How-To
How to Capture console.error Calls in Production Monitoring
console.error calls often indicate caught errors that should be tracked. Here's how to capture them.
2025-05-11 · 3 min read
prodfix — terminal ❯ npx @prodfix/sdk init ✓ SDK initialized — 3 projects, 0 errors ❯ prodfix issues --project my-saas ● TypeError: Cannot read properties of undefined at Checkout.jsx:47 · 23 users affected · 142 events ● UnhandledRejection: Payment API timeout at api/checkout.js:89 · 8 users affected · 31 events ❯ _
How-To
How to Monitor Node.js Worker Thread Errors
Worker thread errors don't propagate automatically. Here's how to capture them in your monitoring.
2025-05-12 · 4 min read
Error rate over time last 30 days · errors per 1000 sessions ↑ deploy without monitoring ↓ ProdFix installed errors caught fast — actual - - trend · prodfix.com
How-To
How to Track API Endpoint Latency with ProdFix
Slow API endpoints frustrate users. Here's how to track latency per endpoint and set up alerts.
2025-05-13 · 4 min read
prodfix — terminal ❯ npx @prodfix/sdk init ✓ SDK initialized — 3 projects, 0 errors ❯ prodfix issues --project my-saas ● TypeError: Cannot read properties of undefined at Checkout.jsx:47 · 23 users affected · 142 events ● UnhandledRejection: Payment API timeout at api/checkout.js:89 · 8 users affected · 31 events ❯ _
How-To
How to Monitor WebSocket Connection Errors
WebSocket errors are often silently swallowed. Here's how to capture and monitor them.
2025-05-14 · 4 min read
⚠ New Error Detected TypeError: Cannot read properties of undefined Checkout.jsx:47 · 5 users · 2 min ago View in IDE → Dismiss Alert via 📧 Email · Slack within 60 seconds Fix via Cursor + MCP avg 4 min to fix
How-To
How to Set Up On-Call for a Solo Founder
On-call for one person. Here's how to configure ProdFix alerts for a solo on-call setup.
2025-05-15 · 4 min read
prodfix — terminal ❯ npx @prodfix/sdk init ✓ SDK initialized — 3 projects, 0 errors ❯ prodfix issues --project my-saas ● TypeError: Cannot read properties of undefined at Checkout.jsx:47 · 23 users affected · 142 events ● UnhandledRejection: Payment API timeout at api/checkout.js:89 · 8 users affected · 31 events ❯ _
How-To
How to Add Breadcrumbs to Error Reports
Breadcrumbs show the sequence of events leading to an error. Here's how to add them to ProdFix.
2025-05-16 · 4 min read
prodfix ● All Projects ○ Issues ○ Performance ○ Security ○ UX All Projects 98.7% uptime this month 3 open issues 1.4s avg LCP ● main-saas 142 errors · 23 open · LCP 1.8s critical ● side-project-2 8 errors · 1 open · LCP 2.1s warn ● chrome-ext 0 errors · all clear · LCP 0.9s good
How-To
How to Monitor Third-Party Script Errors Without Noise
Third-party scripts generate error noise. Here's how to monitor real errors while filtering the rest.
2025-05-17 · 4 min read
session-replay.prodfixai.com Session: user_8f2a · 3m 42s · Chrome 124 · MacOS 3× rage click Submit button · no response dead clicks 0:00 3:42 UX SIGNALS 14 rage clicks this week 38 dead clicks this week 2.4 min avg session length
How-To
How to Track User Actions Leading Up to Errors
Understanding what users did before an error helps you fix it. Here's how to track action breadcrumbs.
2025-05-18 · 4 min read
prodfix — terminal ❯ npx @prodfix/sdk init ✓ SDK initialized — 3 projects, 0 errors ❯ prodfix issues --project my-saas ● TypeError: Cannot read properties of undefined at Checkout.jsx:47 · 23 users affected · 142 events ● UnhandledRejection: Payment API timeout at api/checkout.js:89 · 8 users affected · 31 events ❯ _
How-To
How to Monitor Next.js 404 and 500 Error Pages
Error pages hitting frequently indicate real problems. Here's how to monitor and alert on them.
2025-05-19 · 4 min read
PRE-LAUNCH CHECKLIST ✓ Error monitoring ✓ Alerts configured ✓ Performance tracking → Security scan MCP setup Rate limiting PROGRESS 4 / 6 items completed ⚠ NEXT UP Run security scan CSP + XSS audit Start scan →
How-To
How to Set Up ProdFix When You Hire Your First Employee
Adding a team member to your monitoring setup. Access control, alert routing, and notification setup.
2025-05-20 · 4 min read
PRE-LAUNCH CHECKLIST ✓ Error monitoring ✓ Alerts configured ✓ Performance tracking → Security scan MCP setup Rate limiting PROGRESS 4 / 6 items completed ⚠ NEXT UP Run security scan CSP + XSS audit Start scan →
How-To
How to Test Your Error Monitoring Setup Before It Matters
Verify your monitoring captures errors before a real incident. Here's the test suite.
2025-05-21 · 4 min read
Error rate over time last 30 days · errors per 1000 sessions ↑ deploy without monitoring ↓ ProdFix installed errors caught fast — actual - - trend · prodfix.com
How-To
How to Benchmark API Performance and Set Baselines
Without baselines, you can't know when performance regresses. Here's how to establish and monitor them.
2025-05-22 · 4 min read
⚠ New Error Detected TypeError: Cannot read properties of undefined Checkout.jsx:47 · 5 users · 2 min ago View in IDE → Dismiss Alert via 📧 Email · Slack within 60 seconds Fix via Cursor + MCP avg 4 min to fix
How-To
How to Monitor Cron Job Failures and Silent Skips
Cron jobs that fail silently cause data issues. Here's how to detect and alert on cron failures.
2025-05-23 · 4 min read
prodfix — terminal ❯ npx @prodfix/sdk init ✓ SDK initialized — 3 projects, 0 errors ❯ prodfix issues --project my-saas ● TypeError: Cannot read properties of undefined at Checkout.jsx:47 · 23 users affected · 142 events ● UnhandledRejection: Payment API timeout at api/checkout.js:89 · 8 users affected · 31 events ❯ _
How-To
How to Export Error Data from ProdFix for Custom Analysis
Export your error data for custom analysis, reporting, or integration with other tools.
2025-05-24 · 4 min read
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