Zdb-opac.de's availability has been tested 3 times during the last 28 days, beginning January 2, 2025. Zdb-opac.de returned a 200 status code 3 times out of analyses that was conducted, with the last one occurring on January 15, 2025. Zdb-opac.de showed no downtime throughout all tests performed as of January 30, 2025. As confirmed by all received replies as of January 30, 2025, there are no responses with error statuses. On January 15, 2025, zdb-opac.de responded in 0.161 seconds, which contrasted with its average response time of 0.190 seconds.