Within the 1 368 day period beginning on March 2, 2021, adder.com had 6 availability checks. Out of all website availability tests done, adder.com was online 6 times, most recently confirmed by a 200 status code on September 26, 2022. As of November 30, 2024, no instances of unavailability were detected for adder.com during inspections. As of November 30, 2024, all responses received have confirmed that there are no errors present in any of the replies. A response from adder.com was recorded at 0.885 seconds on September 26, 2022, differing from 0.464 seconds on average.