Data shows protonmail.ch underwent 6 availability tests during the 1 109 day interval starting on November 19, 2021. Throughout all tests performed, protonmail.ch was functional 6 times, with the most recent uptime on October 13, 2024, giving a 200 code. No instances of inoperability occurred on protonmail.ch based on inspections made as of December 3, 2024. As of December 3, 2024, it was noted that every response that was received was error-free. Against an average of 0.216 seconds, protonmail.ch replied in 0.314 seconds on October 13, 2024.