There have been 1 tests done on drdavidchangmd.com's availability in the 1 242 days starting from June 29, 2021, until now. The functionality of drdavidchangmd.com was confirmed 1 times through all checks, as proven by the 200 status code on June 29, 2021. As of November 22, 2024, inspections revealed no instances of drdavidchangmd.com being unavailable. Of all the replies received, as of November 22, 2024, any response was not indicated as having an error status. 1.271 seconds was drdavidchangmd.com's recorded response time on June 29, 2021, contrasting the 1.271 seconds average.