Flu.cc's accessibility has been checked 11 times over a 2 071 day period from March 18, 2019, until present day. With the last successful check on January 29, 2023, flu.cc was operational 3 times, returning a 200 status code. The tests carried out as of November 18, 2024, revealed no incidents of inoperability for flu.cc. On August 15, 2021, an error response code of 404 was noted as the latest out of 8 responses with errors. On January 29, 2023, flu.cc's response time was 0.768 seconds, with an average response time of 0.476 seconds.