Per the report, 1 accessibility tests of coalblack.jp have been made since September 7, 2021, spanning 1 175 days. In each analysis conducted as of November 25, 2024, coalblack.jp was found to be either offline or experiencing performance challenges. Coalblack.jp was out of service for 100.00% of evaluations, which comes out to 1 times total, with September 7, 2021, being the most recent. As of November 25, 2024, all of the obtained responses have indicated that there were no replies with errors. Coalblack.jp averaged 0.001 seconds of response time, while responding in — seconds on September 7, 2021.