For a period of 1 387 days, 4 times, beginning on January 31, 2021, glass.cn was tested for availability. Throughout all checks performed, glass.cn was operable 3 times, with the latest uptime recorded on April 1, 2024, returning a code 200. There were 1 instances (25.00%) of glass.cn being unavailable during the inspections, with the most recent one being on November 15, 2024. The responses that were received as of November 18, 2024, showed that none of them had an error status. On November 15, 2024, glass.cn responded in — seconds, its average being 3.175 seconds.