5 times cez.bg was tested for operability over the course of 1 374 days starting on March 20, 2021. Cez.bg has been operational for a total of 2 times based on total tests, the latest uptime on February 11, 2022, returned a code 200. The checks carried out as of December 23, 2024, did not identify any downtime issues related to cez.bg. Among the 3 responses with errors, the latest occurred on March 8, 2024, with error code 403. 0.272 seconds is cez.bg's average response time, while it responded in 0.204 seconds on March 8, 2024.