Ht.cn's availability was analyzed 16 times during the 1 669 day time frame that began on December 22, 2020. Checks confirm ht.cn functioned 16 times total, most recently, on September 3, 2021, a 200 status code affirmed its uptime. As of July 18, 2025, there were no occurrences of downtime reported for ht.cn during inspections. Responses received as of July 18, 2025, confirm that no responses have error statuses. At 2.438 seconds, ht.cn's September 3, 2021, response contrasted with its average of 2.978 seconds.