The operability of a4tech.com has been tested 1 times over the course of the 1 019 days that followed February 6, 2022. Testing proves a4tech.com's operability 1 times from total attempts, including on February 6, 2022, when a 200 status code was received. As of November 21, 2024, all evaluations showed a4tech.com had no periods of inoperability. There are no errors in the responses received as of November 21, 2024, as confirmed by the responses received. The recorded response time differed for a4tech.com, being 1.097 seconds on February 6, 2022, against 1.097 seconds on average.