September 16, 2021, started the 1 401 day period in which surtsey.is had 2 availability tests performed. As of January 1, 2022, surtsey.is responded with a 200 status code and was accessible 2 times out of the total checks that were made. No review indicated any downtime event occurred on surtsey.is as of July 18, 2025. As of July 18, 2025, no instances of an error status code were noted, according to the responses that were received. Surtsey.is's 1.576 seconds response on January 1, 2022, contrasted with its average response time of 2.405 seconds.