This check runs on a real home internet connection in Spain — a small hardware probe plugged into an ordinary household router, not a cloud server. It sees the web the way a person in Spain does: the local ISP's routing and DNS, national peering, and any geo-blocks or filtering that apply there.
The check fires from Spain alongside nodes in 11 other countries, so a single run shows you the difference between "Spain has a problem" and "the site is down everywhere". How it works →