Technical blog
Clear explanations of how the internet works, written for people who want to truly understand it.
- Browsers2026-11-01
How does WebRTC work?
The technology behind in-browser video calls, explained through its three components.
4 min read - Digital security2026-11-01
How to check for IP leaks
What an IP leak is, how WebRTC can expose your real address and how to test it in seconds.
4 min read - DNS2026-10-31
What is DNS?
The system that translates names into IP addresses and, when it fails, takes the internet down for many people.
4 min read - Networks2026-10-31
How to locate an IP address
How IP geolocation works, why it is sometimes wrong and what you can safely claim from an address.
4 min read - VPN2026-10-30
How does a VPN work?
What actually happens to your data when you turn on a VPN — and what it does not solve.
5 min read - IP addresses2026-10-30
What is a private IP address?
The reserved ranges that exist only inside your network and never appear on the internet.
3 min read - IP addresses2026-10-29
What is a public IP address?
The address that represents your connection to the whole world: how it is assigned, when it changes and what it reveals.
3 min read - IPv4 & IPv62026-10-29
What is the difference between IPv4 and IPv6?
Size, format, address capacity and the real impact on your connection: a direct comparison of both protocols.
5 min read - IP addresses2026-10-28
How to find my IP address
Three fast and reliable ways to see your public IP address, and the difference between it and your local network IP.
3 min read - IP addresses2026-10-28
What is an IP address?
Understand what an IP address is, how it identifies your device on the network and why every connection depends on it.
4 min read