Where Netflix, Meta, Steam and others serve you from, and how far away that is.
The cache sits in your provider's own network, so the traffic never leaves it. This is the shortest path a service can offer.
The cache is in the service's own network, reached where your provider meets it: at an exchange such as NAPAfrica or JINX, or over a private link (PNI).
Cloudflare and Google answer from one address at many sites, and the network delivers you to the nearest. The site shown is the one that answered.
Each service is timed to several of its caches and the fastest one is shown. Use Compare to time any other cache that applies to your network.