February 21, 2021, was the beginning of the 1 481 day time frame in which grand.is underwent 8 uptime tests. The uptime of grand.is reached 8 instances in total tests, with the latest recorded on February 27, 2023, returning a code 200. No instances of grand.is being inaccessible were observed during all the tests conducted as of March 14, 2025. The received replies confirm that, as of March 14, 2025, no response had an error status. Grand.is's February 27, 2023, response time of 0.824 seconds contrasted with its average response time of 1.732 seconds.