Shadow Pc Internet Speed Test Official

You cannot use the default speedtest.net server set to "Auto." You must force the test to target Shadow’s specific data centers.

Shadow uses UDP packets. If your router's MTU is misconfigured, packets fragment, causing "ghost" lag. shadow pc internet speed test

Here is the most common failure point: Bufferbloat. You cannot use the default speedtest

You have 500 Mbps internet, but the moment your roommate joins a Zoom call, your Shadow stream turns into a slideshow. That is bufferbloat—your router is holding onto data packets too long. shadow pc internet speed test

The Fix: Run the test at Waveform Bufferbloat Test (free).