It is a bug that I've been consistently (100% of the time) been able to reproduce. Unfortunately the Google home app internet speed test will automatically run itself every few days and then I need to factory reset every few days again to get full speed.
The only way to get full speeds again is to factory reset the Google WiFi mesh system and avoid running the Google home app internet speed test. nPerf SpeedTest ist kompatibel mit allen Breitband- und Mobilfunkverbindungen: ADSL, VDSL, Kabel, Glasfaserleitungen FTTH / FTTB, Satellit, Wifi, Wimax, Zellverbindungen 2G / 3G / 4G (LTE), 5G. I know this because I again connect Ethernet cable directly from fibre modem to my computer and get full speeds but when I connect Ethernet cable directly from Google WiFi main router to my computer, I get half download speeds about a quarter of my upload speeds. Damit sind wir in der Lage Ihre Geschwindigkeiten genau zu vermessen. I run the Google home internet speed test, and for some reason immediately after running the Google home app internet my Google mesh WiFi system halves my internet speed to all my devices on the network. Typically, an Internet speed test provides you with upload and download speeds, which may not always provide a holistic view of your Internet quality. Aggregated Internet Measurement (AIM) helps you understand your Internet quality to identify scenarios that your Internet connection is good or bad for. Then I connect the Ethernet cable directly to my main Google WiFi router and I still get full speeds on ookla . Aggregated Internet Measurement (AIM) helps you understand your Internet quality to identify scenarios that your Internet connection is good or bad for. For more on M-Labs data collection and measurement, including the disclosure of IP. Please agree to the data policy prior to the test. Help Center, U.K Help Center, Canada Help Center, Australia Help Center. I agree to the data policy, which includes retention and publication of IP addresses. Internet speed test guide: Improve your Internet connection with the Google Home app Notification To get the most out of Google Home, choose your Help Center: U.S. I connect Ethernet cable directly from my fibre modem to my computer and I get my full 100mbps internet speed download and upload on ookla. M-Labs Speed Test provides advanced diagnostics of the performance of your broadband connection through quick measurements.