Over the period of 1 932 days since August 17, 2019, know.passtest.com.cn has been checked for availability 13 times total. Based on all checks, know.passtest.com.cn was down or having other problems as of November 30, 2024. Inspections made as of November 30, 2024, revealed no instances of inoperability on know.passtest.com.cn. The most recent error, with code 404, occurred on August 17, 2019, among the 13 responses that encountered errors. The recorded response time on August 17, 2019, for know.passtest.com.cn was 0.426 seconds, while the average response time is 0.566 seconds.