Glossary

Latency (ping)
How long a reply takes, in milliseconds (ms). Lower is better.
Jitter
How much latency changes from one check to the next. Smooth is better than low.
Packet loss
Replies that never came back.
Percentile (95th, 99th)
95th means 95 out of 100 checks were this fast or faster. It shows the bad moments an average hides.
Signal %
How strongly your device hears the Wi-Fi box.
Link speed
The speed your device and the box agreed. Not your internet speed.
Band: 2.4 / 5 / 6 GHz
Radio lanes. 2.4 has the longest range and the most clutter. 5 and 6 are faster and cleaner but reach less far.
Channel
A numbered slot inside a band. Neighbours on the same channel share it.
BSSID
The unique address of one Wi-Fi radio.
Mesh node
An extra box that extends your Wi-Fi.
Backhaul (BH)
The link between mesh boxes.
Roaming
A device switching from one box to another.
DNS
The lookup that turns a name into an address.
Checksum (MD5)
A fingerprint of a file. Equal fingerprints mean identical files.
Archive
A verified copy kept somewhere else. It does not remove the original.