2 tests were conducted on the uptime of stem.cz in the 1 450 days following March 1, 2021. October 19, 2021, represents the 2 time stem.cz was confirmed up by a returned 200 status code during all assessments. No periods of inactivity were observed for stem.cz in any of the checks conducted as of February 18, 2025. The responses received confirm that, as of February 18, 2025, no error status was detected. Data indicates stem.cz responded in 0.224 seconds on October 19, 2021, against its 0.334 seconds average.