The total accessibility tests of tref.uk done over 2 114 days starting February 7, 2019, stands at 4. In 4 instances of operability across all conducted checks, tref.uk's most recent uptime on January 8, 2023, returned a code 200. As of November 21, 2024, testing indicates that there had been no instances of inoperability for tref.uk. Every response obtained as of November 21, 2024, has been confirmed to be without any errors.