Records show that in the 1 242 days since June 28, 2021, www-unix.mcs.anl.gov underwent 3 availability checks. Through 3 operational instances across all conducted checks, www-unix.mcs.anl.gov affirmed its latest uptime on June 28, 2021, by returning a code 200. No instances of www-unix.mcs.anl.gov being inaccessible were observed during all the tests conducted as of November 22, 2024. Based on the received replies, it has been confirmed that there were no error responses as of November 22, 2024. The response from www-unix.mcs.anl.gov on June 28, 2021, was received in 2.066 seconds, compared to an average of 2.178 seconds.