LibreSpeed (opensource, selfhosting)
No Flash, No Java, No Websocket, No Bullshit.
This is a very lightweight #Speedtest implemented in Javascript, using XMLHttpRequest and Web Workers.
https://github.com/librespeed/speedtest
GitHub - librespeed/speedtest: Self-hosted Speedtest for HTML5 and more. Easy setup, examples, configurable, mobile friendly. Supports PHP, Node, Multiple servers, and more
Self-hosted Speedtest for HTML5 and more. Easy setup, examples, configurable, mobile friendly. Supports PHP, Node, Multiple servers, and more - GitHub - librespeed/speedtest: Self-hosted Speedtest ...GitHub