The data shows uptime testing reached 4 checks for uchebnikionline.ru during the 1 442 days from December 15, 2020. Uchebnikionline.ru's most recent uptime on May 27, 2021, responded with a code 200, indicating operational status in 1 instances across all tests. Of the tests conducted, with the latest instance on November 19, 2024, uchebnikionline.ru was out of service during 3 checks, equivalent to 75.00%. According to the reports, all of the responses that were received as of November 26, 2024, are free of errors. Uchebnikionline.ru's November 19, 2024, response time, — seconds, differed from the 1.060 seconds average.