Iapws.org had its availability checked 1 times during the 1 356 days from March 9, 2021, onward. Throughout the whole testing period, iapws.org was up 1 times, the most recent uptime was on March 9, 2021, when a code 200 was received. As of November 25, 2024, no tests that were performed showed any instances of iapws.org being unavailable. There were no error status codes in any of the responses received as of November 25, 2024. The recorded response time differed for iapws.org, being 0.193 seconds on March 9, 2021, against 0.193 seconds on average.