In the time period starting November 1, 2021, and lasting 1 125 days, proton.cz's availability was checked 4 times. Proton.cz has shown functionality in 4 out of all assessments, including the April 26, 2024, check returning a 200 code. Throughout all checks, there were no periods of inactivity for proton.cz as of November 30, 2024. According to every response, there were no error statuses received as of November 30, 2024. Proton.cz's response time of 0.219 seconds on April 26, 2024, contrasted its 0.379 seconds average.