Starting on January 31, 2019, the operability of www0.gsb.columbia.edu has been tested 2 times over the last 2 123 days. In 2 instances of operability from all checks conducted, www0.gsb.columbia.edu's last recorded uptime on January 21, 2023, returned a code 200. According to assessments completed as of November 24, 2024, there were no periods of inoperability for www0.gsb.columbia.edu. All responses obtained confirm that, as of November 24, 2024, there were no error statuses detected. Www0.gsb.columbia.edu, with an average response time of 0.704 seconds, responded in 0.410 seconds on January 21, 2023.