In the time period spanning 0 days from March 1, 2025, openbook.org underwent 0 accessibility tests. During each evaluation performed as of March 1, 2025, openbook.org encountered problems or was down. Based on tests completed as of March 1, 2025, openbook.org did not experience any inaccessibility. Based on the responses received, it has been confirmed that there were no errors as of March 1, 2025. The recorded 0 seconds on March 1, 2025, contrasted openbook.org's 0.000 seconds average response time.