Over the past 2 135 days, starting from January 15, 2019, there were 2zefr.com's availability checks performed. During the entire series of tests, zefr.com was accessible 2 times, most recently on October 4, 2021, responding with a 200 status code. No periods of non-functionality were detected for zefr.com across all inspections done as of November 19, 2024. It was confirmed that there were no responses with error status as a result of the replies received as of November 19, 2024. The 1.424 seconds response time noted for zefr.com on October 4, 2021, differed from its 1.314 seconds average.