3 tests were conducted on the operability of x13.pl over the 1 173 days starting on September 2, 2021. Tests reveal 3 uptimes of x13.pl, on September 2, 2021, the latest check got a code 200 in response, proving it was accessible. Testing shows that there have never been any inoperability issues with x13.pl as of November 18, 2024. As a result of the replies received as of November 18, 2024, it was confirmed that none of them had error status. A 0.317 seconds response time was recorded for x13.pl on September 2, 2021, while its average was 0.300 seconds.