There were 9 tests conducted on roll.finance.sina.com.cn's availability in the 1 269 days after June 14, 2021. At 9 instances throughout all checks, roll.finance.sina.com.cn's last known uptime occurred on March 12, 2024, and returned a code 200. Assessments conducted as of December 5, 2024, confirmed that roll.finance.sina.com.cn did not encounter any offline periods. As of December 5, 2024, all received replies have confirmed that there are no errors in the responses. Compared to its 4.908 seconds reply on March 12, 2024, roll.finance.sina.com.cn's average response time is 4.222 seconds.