Over the 1 401 day period from September 16, 2021, up until today, 4 uptime checks of whistlephone.com have been completed. Tests confirm whistlephone.com was online 4 times in total, with April 29, 2025, being the most recent 200 status result. As of July 18, 2025, the checks that were done indicate that there were no instances of whistlephone.com being unavailable. The received responses all confirm that, as of July 18, 2025, there were no responses containing errors. Whistlephone.com averaged 0.527 seconds of response time, while responding in 0.096 seconds on April 29, 2025.