The data shows uptime testing reached 3 checks for uchebnikionline.ru during the 1 434 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 December 15, 2020, uchebnikionline.ru was out of service during 2 checks, equivalent to 66.67%. According to the reports, all of the responses that were received as of November 18, 2024, are free of errors. Uchebnikionline.ru's May 27, 2021, response time, 1.060 seconds, differed from the 1.060 seconds average.