Instant Testing is an important function of Tingyun Network, which can help users locate and exclude website Error in daily operation and maintenance work. Users usually perform long-term monitoring tasks to monitor website performance for a long time and continuously optimize it. Instant Testing is designed to deal with emergencies encountered in daily work and help operation and maintenance personnel to judge and handle problems.Users can call Probe pairs in any region at any time to initiate Instant Testing for specific tasks. The monitoring platform will immediately call Probe in the selected region to perform monitoring tasks and return corresponding monitoring data within 2-3 minutes, including page step diagrams/streaming media playback step diagrams and page Element Waterfall Chart, etc.