Understand your internet connection
Practical guides on real speed, bufferbloat, measuring on macOS, and defending yourself with data when your connection doesn't deliver what you pay for.
Why Is Your Internet Slow at Night? Causes and Fixes
Slow from 9 to 11 p.m. and fast at 3 a.m.: that's peak-hour congestion. What causes it, how to prove it with data, and what you can do.
What Is Bufferbloat (and Why Your Video Calls Freeze on a 300 Mbps Line)
Speed isn't everything: bufferbloat makes latency explode when your line is full. What it is, how to measure it in RPM, and how to fix it.
How to Prove Your Internet Is Slower Than What You Pay For
From a "it feels slow" that support ignores to a CSV with weeks of measurements they can't dismiss. Step by step: rule out WiFi, measure, complain, escalate.
How to Test Your Internet Speed on a Mac: 3 Ways
Web tests, the networkQuality tool Apple hides in the Terminal, and continuous measurement from the menu bar. When to use each.
Speedtest vs Fast.com: What Each Really Measures (and What Neither Tells You)
One measures your theoretical ceiling, the other Netflix's servers, and neither shows how your connection behaves at 9 p.m. The honest comparison.