Availability checks of koster.com.ua done over the past 259 days from March 12, 2024, reached 2. Out of every test conducted, koster.com.ua was functional 2 times, including on the latest check on March 12, 2024, that returned a 200 status response. Koster.com.ua faced no interruptions in service as of November 27, 2024, according to inspections. No errors have been encountered in any responses as of November 27, 2024, according to all replies obtained. 0.542 seconds is the average response time, while koster.com.ua responded in 0.377 seconds on March 12, 2024.