In the time frame of 1 457 days after November 30, 2020, records show ef.de passed 12 uptime tests. Of every analysis performed, ef.de was functional 12 times, latest on November 20, 2024, returning a 200 status code. As of November 27, 2024, every inspection of ef.de indicated that there were no offline periods. Based on the replies, there were no indications of errors in any of the responses as of November 27, 2024. 0.290 seconds contrasted with the average 0.495 seconds response time of ef.de on November 20, 2024.