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Speed & TTFB

What slow really means — DNS lookup, TCP, TLS handshake, time to first byte.

Run a speed test
Explainer·May 13, 2026·5 min

Why 'Degraded Performance' on a Status Page Usually Means Users Can't Do Anything

Status pages hide the truth about degraded performance. Here's what companies actually mean when they use that term.

Guide·May 11, 2026·5 min

How to Tell If a Website Is Slow vs Broken vs Completely Down — and Why It Matters

Learn the technical differences between slow websites, broken websites, and complete outages—and how to diagnose each one.

Technical·April 24, 2026·5 min

Why Spotify Slows Down on Monday Mornings

Spotify performance degrades Monday mornings due to traffic spikes, cache misses, and infrastructure strain. Here's what's actually happening.

Guide·March 28, 2026·4 min

Free Website Uptime Monitor: Check Any Site in Under 3 Seconds

Free website uptime checker. No account needed — enter any domain and get live server status, latency, and outage signals.