There were 2 times over a 1 256 day period from June 20, 2021, that grand-challenge.org was checked for availability. Testing proves grand-challenge.org's operability 2 times from total attempts, including on June 28, 2021, when a 200 status code was received. As of November 28, 2024, no checks had detected any instances of grand-challenge.org being unavailable. As of November 28, 2024, there were no responses indicating error status, based on all received replies. Data shows grand-challenge.org had a 0.121 seconds response time on June 28, 2021, against a 0.119 seconds average.