The total uptime checks of readmail.jp performed in the 1 123 days from December 15, 2021, reached 5. Readmail.jp was online 3 times out of all checks performed, with a code 200 response on the latest test conducted on October 19, 2024. 40.00% of the evaluations of readmail.jp resulted in downtime, or 2 instances, with the most recent being on September 27, 2022. As of January 11, 2025, it was noted that every response that was received was error-free. Compared to its average response time of 0.078 seconds, readmail.jp had a response time of 0.081 seconds on October 19, 2024.