Provider-name:  Dr0idGuy, dagwieers

Description:  This add-on tests your Internet bandwith and reports both download and upload speeds and latency from within Kodi.
Use this if you are experiencing streaming issues and you suspect your network to be the cause.

Disclaimer:  Speed Tester is powered by speedtest.net

Website:  https://kodi.wiki/view/Add-on:Speed_Tester

Source:  https://github.com/add-ons/script.speedtester