The total accessibility tests of sigs.nih.gov done over 1 123 days starting November 4, 2021, stands at 1. Sigs.nih.gov was reachable 1 times, according to availability tests, including on November 4, 2021, when a code 200 was received. During inspections carried out as of December 2, 2024, sigs.nih.gov had no instances of unavailability. As of December 2, 2024, every response has confirmed that there are none with an error status. In comparison with its average of 1.191 seconds, sigs.nih.gov replied in 1.191 seconds on November 4, 2021.