From November 21, 2022, onward for the next 729 days, i-sys.ru was checked for availability 1 times. I-sys.ru was operable 1 times from the whole of checks led, last being recorded November 21, 2022, with a code 200 response. No recorded periods of inaccessibility were found for i-sys.ru based on all evaluations completed as of November 20, 2024. All responses were found to be error-free as of November 20, 2024, based on the received replies. The recorded response time was 2.728 seconds for i-sys.ru on November 21, 2022, with 2.728 seconds being the average.