Records indicate 5 uptime checks were performed for book.to in the 1 142 days following October 14, 2021. According to the code 200 response from the most recent test, which was carried out on July 23, 2024, book.to was online 5 times out of all checks. According to assessments completed as of November 29, 2024, there were no periods of inoperability for book.to. According to each response received as of November 29, 2024, there is no error status detected in any of them. Differing from an average of 0.695 seconds, book.to responded in 0.021 seconds on July 23, 2024.