Over the period of 1 292 days starting from July 5, 2021, iri.columbia.edu has been checked for availability a total of 5 times. Iri.columbia.edu was accessible 5 times throughout all conducted tests, with the most recent uptime on December 11, 2021, returning a code 200. Iri.columbia.edu had zero instances of inaccessibility, according to tests conducted as of January 17, 2025. The received replies confirm that, as of January 17, 2025, no response had an error status. Iri.columbia.edu's response time was 1.390 seconds on December 11, 2021, compared to an average of 1.308.