The operability of esr.ch was checked 2 times during a period of 1 194 days, beginning on August 26, 2021. With the last occurrence on September 16, 2021, when a code 200 was returned, esr.ch was up 2 times out of all the checks performed. According to all reviews, as of December 2, 2024, esr.ch had never experienced a downtime event. Of the responses received as of December 2, 2024, none were reported to contain an error status. A response time of 1.485 seconds, with an average of 1.387 seconds, was recorded for esr.ch on September 16, 2021.