From June 27, 2021, onward for the next 1 250 days, dumb.cz was checked for availability 2 times. The most recent uptime recorded on June 27, 2021, giving a 200 code, dumb.cz was functional 2 times throughout all tests performed. As of November 28, 2024, reviews found no instances of dumb.cz being unavailable. As per the responses received, it was confirmed that as of November 28, 2024, there were no errors in any of the replies. While the average response time of dumb.cz is 0.570 seconds, it was 0.652 seconds on June 27, 2021.