Subbooks.com underwent 3 functioning checks within the 1 250 day time frame that began on June 27, 2021. The last recorded uptime of subbooks.com on November 13, 2022, returned a code 200, the 3 instance of operability out of total checks. From tests carried out as of November 28, 2024, no instances of inaccessibility for subbooks.com were noted. Based on the received replies, it has been confirmed that there were no error responses as of November 28, 2024. The response from subbooks.com on November 13, 2022, was received in 1.403 seconds, compared to an average of 1.350 seconds.