Starting on March 14, 2024, duesseldorf-open.org's operability has been analyzed 2 times over the last 260 days. 2 times out of all tests conducted, duesseldorf-open.org was accessible, most recently on March 20, 2024, when it returned a 200 status code. No recorded periods of inaccessibility were found for duesseldorf-open.org based on all evaluations completed as of November 29, 2024. As of November 29, 2024, it has been confirmed that no response contains an error status. The recorded response time was 0.539 seconds for duesseldorf-open.org on March 20, 2024, with 0.556 seconds being the average.