Personal research project, not for production, no warranty. Not affiliated with the author's employer, Liquidware or Microsoft. This page downloads a test file from its own site five times (40 MiB in all) and sends nothing anywhere.

Spike S4: is an 8 MiB file from GitHub Pages a steady reading?

Run it twice: once right after opening the page (cold) and once a minute later (warm). Then copy the result into the thread. On a phone, try it on Wi-Fi and on cellular.

Not run yet.