Measuring the speed of Internet

https://yandex.ru/internet/

Checks not the speed of your Internet connection, but quality, which is especially important for those users who prefer to enjoy streaming video and audio, and also play online games. After clicking the Begin Test button, the system selects the server, and then performs several tests, determining ping, jitter (ie, the spread of the maximum and minimum packet transit time from the average) and counting the lost packets