Over the period of 2 031 days starting from April 28, 2019, top-knig.ru has been checked for availability a total of 6 times. In 6 instances of operability across all conducted checks, top-knig.ru's most recent uptime on November 20, 2022, returned a code 200. According to all assessments completed as of November 19, 2024, top-knig.ru experienced no downtime. No errors were identified in any of the obtained responses as of November 19, 2024, according to the received replies. Records show the November 20, 2022, top-knig.ru response at 0.922 seconds, contrasted with the 0.710 seconds average.