#Networking

Wi-Fi 6, 6E, and 7 sound like small steps but represent real leaps in speed, capacity, and latency. We explain what each one adds, from the 6GHz band to Multi-Link Operation, and whether upgrading your router is actually worth it.

VPNs are advertised as a cure-all for online privacy, but the reality is more nuanced. We explain what a VPN actually does, when it genuinely helps, when it does nothing, and how to choose one without falling for the marketing.

Every time you load a page, the server replies with an HTTP status code. This guide decodes the important ones, from 200 OK to 404 Not Found to 500 Server Error, so you know whether a problem is on your side or theirs.

DNS is the system that turns names like skillo.dev into the numeric addresses computers use. This guide explains how DNS works step by step, why it affects your speed and privacy, and how changing your DNS can help.