From June 27, 2021, through the last 1 247 days until today, koeln4.de's accessibility has been checked 3 times. Testing found koeln4.de active 3 times, including on the latest check July 3, 2021, which returned a 200 status code. As of November 26, 2024, no instances of downtime were noted for koeln4.de during inspections. According to responses that were received, there haven't been any with an error status as of November 26, 2024. In comparison to the average response time of 0.124 seconds, a response time of 0.073 seconds was recorded for koeln4.de on July 3, 2021.