In the time frame of 1 480 days since February 10, 2021, the report shows keio-j.com passed 11 availability checks. Out of all tests conducted, keio-j.com was up 11 times, the last time on December 23, 2024, when a code 200 has been returned. No unavailability incidents were noted for keio-j.com during tests conducted as of March 1, 2025. The replies obtained as of March 1, 2025, affirm that no response contained an error status. Keio-j.com's December 23, 2024, response of 3.379 seconds contrasted with its 3.248 seconds average response time.