First test your local network speed before pointing fingers towards your ISP for slow and sluggish internet experience. Introducing Network Speed Test Server for Windows , Mac & Linux!. For professionals docker image and source code available.
This is Ajax based network speed test application this can run on almost every platform!. Even on static file hosting server.
Todays work from home situation. Connectivity is more important than ever.
Download OpenSpeedTest Server : https://go.openspeedtest.com/Server
And send me your feedback..