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Practical guides on API monitoring, web performance, and keeping production systems healthy.
9 articles
Next.js API Routes: The Monitoring Blind Spots
Next.js is used by 52.9% of JS developers, but default monitoring tells you almost nothing. Here are the four gaps burning teams in production — and how to close them.
INP Explained: The Core Web Vital That Replaced FID
FID had a 93% pass rate. INP replaced it in March 2024 and the bar got harder. Here's what INP measures, why it's better, and how to actually fix a bad score.
The Hidden Cost of "Free" Monitoring Tools
Sentry's free tier caps at 5,000 errors and one user. Datadog has no free APM tier. Here's what solo developers actually pay — and what they actually need.
Why Vercel Analytics Isn't Enough for Your API
Vercel Analytics tracks visitors and Web Vitals — but it's completely blind to your API routes. Here's the production monitoring gap and how to close it.
GDPR-Compliant Analytics: The Visitor ID Problem
Most analytics setups track returning visitors without valid GDPR consent. Here's why the persistent visitor ID is the hard part — and how Statvisor handles it cleanly.
Stop Using console.log in Production
console.log blocks your event loop, vanishes with no context, and can't be searched. Here's what to use instead — and what you're missing without real monitoring.
CLS Explained: What It Is and How to Fix It
CLS is one of Google's Core Web Vitals. Here's what causes layout shifts, how to fix them in React and Next.js, and how to catch regressions before users do.
LCP: Why Your Score Keeps Failing in Production
LCP under 2.5s is Google's threshold for a fast page. Here's what actually tanks it — and how to find the real bottleneck before your users do.
Core Web Vitals and API Performance
Your LCP score is capped by your TTFB. Here's how API latency and chained backend requests silently tank your Core Web Vitals — and what to do about it.
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