Since June 16, 2021, docbook.org has been inspected for availability 4 times over the past 1 493 days. Operating seamlessly 4 times during all tests, docbook.org's last recorded uptime on February 16, 2025, returned a code 200. According to all assessments completed as of July 18, 2025, docbook.org experienced no downtime. Based on the responses that were received, as of July 18, 2025, every response has been free of errors. The response time for docbook.org on February 16, 2025, was recorded as 0.279 seconds compared to the average of 0.737 seconds.