August 6, 2019, started the 2 155 day period in which class.ps had 15 availability tests performed. Out of all tests attempted, class.ps was working 11 times, with the last instance on September 4, 2021, replying with a 200 status code. No instances of inoperability occurred on class.ps based on inspections made as of June 30, 2025. The 403 error code, identified on May 8, 2025, was the most recent out of the 4 responses that encountered errors. The average response time of class.ps is 2.087 seconds, with a response time of 0.943 seconds on May 8, 2025.