8 times the operability of johnzeller.com was checked during the 1 255 day interval beginning on June 13, 2021. Johnzeller.com was available 6 times out of the total tests conducted, last recorded on October 3, 2023, with a 200 status code. There were no incidents of inaccessibility for johnzeller.com across all checks done as of November 20, 2024. On August 8, 2021, there were 2 responses that contained errors, with error code 403 being the most recent one encountered. The response received from johnzeller.com was 0.440 seconds on October 3, 2023, against an 0.410 seconds average.