Availability checks of sommer.at done over the past 343 days from February 27, 2024, reached 2. Among all the analyses done, sommer.at operated successfully 2 times, last recording on February 27, 2024, returning a code 200. According to all testing, there were no instances of inoperability on sommer.at as of February 5, 2025. There were no error responses reported as of February 5, 2025, according to the received replies. The February 27, 2024, response contrasted, being 0.534 seconds for sommer.at against its 0.662 seconds average.