Graybook.cern.ch's functioning was analyzed 1 times within the 1 933 day time frame beginning August 7, 2019, as per records. According to the code 200 response from the most recent test, which was carried out on August 7, 2019, graybook.cern.ch was online 1 times out of all checks. Assessments conducted as of November 22, 2024, confirmed that graybook.cern.ch did not encounter any offline periods. It is confirmed by the responses as of November 22, 2024, that none of the responses have an error status. The response time noted for graybook.cern.ch on August 7, 2019, was 0.580 seconds, averaging 0.580 seconds.