1 checks were performed to see if cellumen.com was available during the 845 day period from August 31, 2022. Out of all website availability tests done, cellumen.com was online 1 times, most recently confirmed by a 200 status code on August 31, 2022. During all inspections conducted as of December 23, 2024, cellumen.com experienced no downtime. As confirmed by all received replies as of December 23, 2024, there are no responses with error statuses. In comparison with its average of 8.109 seconds, cellumen.com replied in 8.109 seconds on August 31, 2022.