Based on statistics, 22 availability checks of uchebnik-online.com were made for the 431 days beginning on September 14, 2023. Among all the tests done, uchebnik-online.com was accessible 20 times, the last instance on November 13, 2024, returning a 200 code. During the inspections, uchebnik-online.com was unreachable 9.09% of the time, totaling 2 occurrences, with the most recent incident on January 7, 2024. As of November 18, 2024, it is evident from all received responses that no errors have been encountered. Data reveals a contrast on November 13, 2024, with uchebnik-online.com responding in 0.287 seconds against its 0.524 seconds average.