In the 938 day period beginning May 4, 2022, until today, valid4j.org's operability has been inspected 2 times. Over 2 instances out of all conducted checks, valid4j.org has shown functionality, with the latest uptime on November 23, 2024, returning a code 200. During the tests, no periods of unavailability were detected for valid4j.org as of November 27, 2024. As confirmed by responses received as of November 27, 2024, there are no errors in any responses. With an average of 0.257 seconds, valid4j.org had a 0.156 seconds response time on November 23, 2024.