During the 255 days from March 24, 2024, until now, sjn.cn's operability has been checked 1 times. Responding with a code 200, sjn.cn was accessible 1 times, most recently on March 24, 2024, out of the total checks conducted. As of December 5, 2024, no inactive periods were found for sjn.cn throughout all checks. Of all the replies received, as of December 5, 2024, any response was not indicated as having an error status. Data reveals sjn.cn responded in 0.402 seconds, compared to 0.402 seconds average, on March 24, 2024.