There were 2 uptime checks of islisp.info conducted throughout the 1 936 day period beginning on August 12, 2019. Out of all tests, islisp.info was operable 2 times, the last recorded uptime on September 12, 2022, returned a http status code 200. As of November 30, 2024, all tests indicated that no inaccessibility periods occurred on islisp.info. According to all replies received as of November 30, 2024, there are no responses with an error status. It is noted that on September 12, 2022, islisp.info responded in 0.307 seconds, and the average response time was equal to 0.299 seconds.