Over the 118 day period from August 27, 2024, up until today, 6 uptime checks of securityheaders.io have been completed. The operational status of securityheaders.io was confirmed 5 times during conducted checks, the most recent on September 6, 2024, providing a response with a code 200. All testing of securityheaders.io as of December 23, 2024, found no instances of inoperability. The most current of the 1 responses with errors on December 18, 2024, was an error coded 403. Compared to its average of 0.510 seconds, securityheaders.io's December 18, 2024, response was 0.075 seconds.