Over the past 290 day period starting on March 8, 2024, stem.is's availability has been checked 4 times. All assessments confirm that stem.is was not accessible or encountered other difficulties as of December 24, 2024. Stem.is showed no downtime throughout all tests performed as of December 24, 2024. The response with code 403 on November 21, 2024, was the latest error instance among the 4 responses. In comparison with its average of 0.091 seconds, stem.is replied in 0.044 seconds on November 21, 2024.