During the 309 day time frame starting from June 20, 2024, performed a total of 15 availability checks of readingbook.ru. During the conducted analyses, readingbook.ru was accessed a total of 13 times, and the latest ping on April 24, 2025, returned a code 200. 13.33% out of all conducted tests, including the latest instance on June 20, 2024, resulted in readingbook.ru being inaccessible, totaling 2 times. Records show that as of April 26, 2025, all received responses were free of error status codes. On April 24, 2025, 0.192 seconds was readingbook.ru's response time, while 0.418 seconds is the average.