Counting from June 21, 2021, until now, which equals 1 249 days, kelas20.ir was checked for accessibility 1 times. From whole tests made, kelas20.ir was up 1 times, most recent uptime recorded June 21, 2021, replying with a code 200. According to all reviews, as of November 22, 2024, kelas20.ir had never experienced a downtime event. By the records, no responses with error status codes were reported as of November 22, 2024. At 3.329 seconds, kelas20.ir's response time on June 21, 2021, differed from the 3.329 seconds average.