Speed ​​Check Light is a lightweight Internet testing tool. This application helps you to measure the downlink speed (download), uplink speed (upload) and delays in the transmission of packets (latency/ping/jitter). The program is equipped with a simple user interface and a multitude of configuration options. One of the major advantages of Speed Check Light tool is automatic adjustment of the testing algorithms to the type of your connection (WiFi or 2G/3G/4G LTE/5G mobile networks). This ensures a high accuracy of the results. Additional features of Speed ​​Check Light application: • the ability to select the default server, • built-in map of the mobile network coverage, • history of results with detailed information about the tests, • IP/ISP address display, • ability to filter and sort your results according to various criteria, • two standard units (Mbps and kbps), • system clipboard and social networks handling (easy to publish the results on Facebook or Twitter), • low demand on system resources.