Availability checks of o1.ua done over the past 1 999 days from June 11, 2019, reached 3. From the entirety of checks conducted, o1.ua was operable 1 times, with the most recent occurrence on June 11, 2019, resulting in a code 200 status. 66.67% of the time, or 2 instances, o1.ua was unavailable as of the most recent check on October 8, 2022. No reported response from all the replies received was found to have an error as of December 1, 2024. O1.ua required — seconds to respond on October 8, 2022, compared to an average of 0.747 seconds.