The total availability checks of ifour.co.jp performed over 951 days starting April 25, 2022, is 1. Operational problems or downtime of ifour.co.jp were noted as of December 1, 2024, across all inspections conducted. 1 tests resulted in downtime of ifour.co.jp, making up 100.00% of checks performed, with the most recent occurring on April 25, 2022. Error statuses in the responses that were received haven't been reported as of December 1, 2024. In contrast to ifour.co.jp's average response time of 0.001 seconds, the response time on April 25, 2022, was — seconds.