speedtest1.wasm

See also: A Worker-thread variant of this page.

Initializing app...

On a slow internet connection this may take a moment. If this message displays for "a long time", intialization may have failed and the JavaScript console may contain clues as to why.

Downloading...

This page starts running the main exe when it loads, which will block the UI until it finishes!

Achtung: running it with the dev tools open may drastically slow it down. For faster results, keep the dev tools closed when running it!

Output is delayed/buffered because we cannot update the UI while the speedtest is running. Output will appear below when ready...