Starting on January 9, 2023, the operability of cello-project.org has been tested 1 times over the last 753 days. Cello-project.org has been operable 1 times out of all tests, with the last uptime recorded on January 9, 2023, returning a code 200. Inspections conducted as of January 31, 2025, reveal that there were no periods of unavailability on cello-project.org. As of January 31, 2025, no reply had an error status out of all the replies that were received. A response time of 0.913 seconds was recorded for cello-project.org on January 9, 2023, in contrast to the 0.913 seconds average response time.