Before you email us
If your question is about why a result looks unexpected, it's worth trying a few things first: close other apps or devices using your network, connect via Ethernet instead of Wi-Fi if possible, and run the test two or three times at different points in the day. Home network conditions change constantly, and a single test is a snapshot, not a guarantee.
If you still think something's wrong after that, tell us your browser, device, and roughly what time you ran the test — it helps us investigate faster.