In case of micro-break of your Internet connection, to play online (…) the stability and the quality of your connection is important.
Using this website
This website allows you to test the stability of your internet connection without having any application to install and without having a headache :)
Using the ping command
The ping command is available on all operating systems (Window, Linux …), but on some smartphones you will probably need to download a third-party application.
Reliability of this tool?
Although this tool is reliable, the ping time measurement is indicative and not as accurate as the ping command. This is due to the fact that the tool uses the HTTP protocol(S).