WiFi result = your WiFi speed
(30-60% less than actual internet speed)
Ethernet result = what your ISP delivers ✅
3. Run 3 tests → use MEDIAN
(varies 30%+? = stability issue)
4. Test morning AND evening
(evening 30% slower = ISP congestion)
5. Test all problem devices
(one device slow = device issue, not ISP)
FCC standard: ISPs must deliver 80%+ of advertised speed.
Ethernet + no competing apps + 3 tests = the accurate free internet speed check. Takes 2 minutes. Saves hours of misdiagnosis.