Blog
Practical guides on session replay, errors, uptime, Core Web Vitals, logs, and server monitoring.
How to debug INP regressions in production
INP replaced FID as the Core Web Vital for interactivity. Here's how to find which interactions on which pages are slow — and what to do about it.
Session replay vs. error tracking: when to use each
They're often bought together but solve different problems. Here's when each one is the right tool — and why most teams need both.
GDPR-compliant session recording: what to mask and why
Session recording is legal under GDPR if you do it right. Here's the practical playbook for masking PII, configuring retention, and handling DSARs.
Uptime monitoring best practices for 2026
Going beyond basic ping checks: multi-region probes, expected response validation, and how to avoid the noisy-alert death spiral.
How to correlate frontend and backend logs (for real)
Stitching together a user complaint with the backend log line that explains it shouldn't take 30 minutes of grep. Here's the pattern that actually works.