February 18, 2021, started the 1 450 day period in which open.by had 8 availability tests performed. As of September 18, 2021, open.by responded with a 200 status code and was accessible 8 times out of the total checks that were made. As of February 7, 2025, all checks of open.by confirmed that there were no instances of inaccessibility. As of February 7, 2025, every response received attests to the fact that no response has an error status. The reported response time for open.by on September 18, 2021, was 0.147 seconds, compared to an average of 0.142 seconds.