Internet Speed
Latency vs bandwidth: the metric most people ignore
Bandwidth gets all the marketing. Latency gets all the complaints. Once you understand which workloads depend on which, the 'I have gigabit but the internet feels slow' paradox dissolves.
The pipe-and-water analogy that actually works
Bandwidth is the diameter of a pipe — how much water can flow through per second. Latency is the length of the pipe — how long it takes the first drop to reach the other end. Doubling the diameter doesn't change the length, and vice versa.
Latency-bound workloads
- Online gaming — every keypress is a round-trip.
- Video calls — Zoom, Teams, Meet target 150 ms one-way.
- Web browsing — a single page can issue 50+ requests; each waits on a round-trip.
- SSH / remote desktop — every character echoes back.
- Voice over IP — perceived as 'choppy' above 200 ms.
Bandwidth-bound workloads
- Large file downloads, OS updates, game patches.
- 4K and 8K video streaming.
- Cloud backups.
- Concurrent users in a busy household.
Why upgrading bandwidth often disappoints
If your daily frustrations are 'web pages feel slow', 'video calls glitch', or 'gaming lags' — bandwidth upgrades won't help. Those are latency, jitter, or packet-loss problems. Run a speed test and look at the ping and jitter numbers, not just the headline Mbps.
What you can actually do about latency
- Switch from Wi-Fi to Ethernet where possible (saves 5–20 ms).
- Move closer to your router; reduce obstructions.
- Try a faster DNS resolver (1.1.1.1, 8.8.8.8) — see changing DNS servers.
- If you're on satellite or rural fixed wireless, consider whether fiber or cable is available in your area.
- Eliminate bufferbloat with a router that supports SQM / fq_codel.