Understanding the Server Chain

Knowing how the internet works helps you troubleshoot and make better decisions:

• Slow loading might be a DNS issue, server distance, or overload. Try the same site on cellular data — if it is faster, your WiFi DNS is likely the bottleneck
• "This site can't be reached" usually means DNS resolution failed, not that the site is down. Switching to Google DNS (8.8.8.8) or Cloudflare (1.1.1.1) often fixes it instantly
• CDNs store copies of websites on servers close to you, so a Netflix stream often comes from nearby rather than from California.