Network help

Internet Troubleshooting Guides

Plain-English guides to help you understand speed tests, IP addresses, DNS, ping, website outages, and common home internet problems.

Plan the right speed for streaming, gaming, calls, remote work, cameras, and multiple users.

Use controlled tests to separate Wi-Fi, device, router, congestion, DNS, and provider problems.

Understand latency, jitter, packet loss, loaded latency, practical ranges, and ways to reduce lag.

See how download, upload, and ping affect different parts of your connection.

Learn the difference between the address websites see and the addresses inside your home network.

Understand what your public IP can and cannot reveal about you.

Follow a complete checklist for DNS errors, timeouts, browser problems, regional failures, and server errors.

A simple router and modem restart process that fixes many connection issues.

Clear stale DNS data on Windows, macOS, Chrome, Edge, iPhone, Android, and your router.

A practical step-by-step checklist for diagnosing common internet problems.