From July 12, 2021, up until now, which is a period of 1 329 days, the availability of invisiblethings.org has been checked 9 times. Availability assessments show invisiblethings.org was accessible 1 times, including on December 10, 2021, when a code 200 was received. As of March 2, 2025, invisiblethings.org showed no instances of downtime during all inspections conducted. The most current of the 8 responses that had errors was error code 404, which occurred on February 3, 2025.