Uptime testing reached 4 checks over the 1 238 days from June 29, 2021, for itcast.cn as per the data. Out of every check attempted, itcast.cn was up 4 times, most recently on August 21, 2021, responding with a code 200. All testing performed of itcast.cn as of November 18, 2024, found zero instances of inoperability. No errors were identified in any of the obtained responses as of November 18, 2024, according to the received replies. Comparison data from August 21, 2021, indicates that itcast.cn responded in 1.987 seconds, contrasting the 2.001 seconds average.