said by iansltx:
I'm aware of this, however if you have a speed test it might as well be accurate.
They are as accurate as the underlying vendors(OOKLA& MLAB) tests that are providing the service to the FCC. More accurate tests(that handle dealing with powerboost) take too long and consume too many resources for the numbers of people who use those sites.
If you want a test that handles distortions caused by powerboost, use this one:
»www.measurementlab.net/measureme ··· iffprobe