It measures network connection parameters concerned with ping or RTT. Round-trip time, or RTT for short, is the duration it takes a packet to reach the server and get back to you once the server responds. It is also called latency in some applications, however, latency could sometimes mean only one half of the RTT, either duration to the server or duration to the client. Lower RTT usually correlates with better gaming experience.
This web application is actually one of the first to accurately measure the packet loss. Most of the existing websites don't accurately measure the packet loss because they're based on the TCP protocol, which is designed to automatically resend packets in case some are lost. Therefore, with TCP you cannot reliably detect when a packet is lost. This web application uses the latest technology to measure the connection parameters by sending UDP packets, which aren't retransmitted as the TCP ones.
Most of the real-time applications such as gaming and video streaming applications don't resend data when it's lost. When packets are lost the quality of your experience is degraded. In online games when packets are lost it's usually manifested as uninteded player teleportation. By measuring your packet loss upfront with this application you can get an insight whether your connection is ready for such applications or not.
Ping variation indicates how ping changes over time. In normal situations, it's impossible to predict whether a ping will be higher or lower in a particular moment, however, a specific range of the ping can be estimated using statistical estimators. On this page, standard deviation is used to assess ping variation. Real-time applications and games perform badly when ping variation is high, and this effect is magnified when also the ping is high. The effect of high variation in online games is slight teleportation of players' characters. This can be especially problematic in first-person shooter games where precise positioning is crucial.
This web application currently doesn't permanently store any of the visitors data. The data such as visitors' IP addresses are only stored in server logs along with the endpoint names that are accessed. This data isn't provided in any form to any third parties.
This page was created from a personal project by Ivan Katalenić in his spare time. It uses Go on the backend, and pure CSS, HTML, and TypeScript/JavaScript on the frontend without any third-party libraries.