Blog

Product updates, guides, and tips for fast, privacy-first web monitoring.

21 August 2026
Why Your Lighthouse Score Isn't Your Core Web Vitals Score
Your PageSpeed score can be green while Google says you're failing Core Web Vitals. The reason is lab versus field data: what each one measures, why Google ranks on real users, and how to measure the numbers that actually count.
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20 August 2026
What an AI Agent Needs to Fix a Production Bug
Collecting errors is the easy part. Getting them into a shape an AI agent can act on means source maps, first-party frames, severity over volume, and knowing which deploy caused it. Lessons from building an MCP server for production monitoring.
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29 June 2026
How to Add JavaScript Error Tracking (with Source Maps)
Capture uncaught errors from real users, send them somewhere, and turn minified stack traces back into your real code with source maps. The build-it-yourself version, and the shortcut.
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25 June 2026
How to Track Core Web Vitals in Next.js
Measure LCP, INP and CLS from real users in a Next.js app: why field data beats lab scores, the code to collect it, and how to read the p75 thresholds Google ranks on.
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8 June 2026
Crumbless is now JAMP
Same lightning-fast, privacy-first analytics — new name, bigger vision. Here's what's changing, what isn't, and where we're headed.
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