Graybook.cern.ch's functioning was analyzed 1 times within the 1 935 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 24, 2024, confirmed that graybook.cern.ch did not encounter any offline periods. It is confirmed by the responses as of November 24, 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.