During the 2 137 days from January 19, 2019, until now, co-lab.jp's operability has been checked 2 times. In the 2 out of all conducted checks, including the most recent one on April 14, 2023, which returned a code 200, co-lab.jp has been reachable. Based on tests completed as of November 25, 2024, co-lab.jp did not experience any inaccessibility. Every response obtained as of November 25, 2024, has been confirmed to be without any errors. While the average response time of co-lab.jp is 0.001 seconds, it was 0.001 seconds on April 14, 2023.