The operability of viereck-verlag.de has been tested 2 times over the course of the 71 days that followed October 31, 2024. Operational 2 times throughout the entirety of checks conducted, viereck-verlag.de's last recorded uptime on October 31, 2024, returned a code 200 response. Viereck-verlag.de did not experience any downtime according to tests conducted as of January 10, 2025. There have been no instances of error statuses among any responses received as of January 10, 2025. While viereck-verlag.de averages 1.038 seconds in response time, it replied in 1.053 seconds on October 31, 2024.