In the 1 474 day period from April 12, 2021, hetopenboek.nl underwent 1 functioning checks according to the information provided. Out of every uptime test completed, hetopenboek.nl was accessible 1 times, most recently evidenced by the 200 status response on April 12, 2021. As of April 26, 2025, no instances of hetopenboek.nl being down had occurred during the inspections that were conducted. It was confirmed that, as of April 26, 2025, none of the replies that were received contained any errors. The response time noted for hetopenboek.nl was 0.021 seconds on April 12, 2021, against a 0.021 seconds average.