The operability of t4c.ic.cz has been tested 2 times over the course of the 1 259 days that followed August 19, 2021. T4c.ic.cz was last active on August 19, 2021, responding with a 200 status code, and was online 2 times over the entire period of tests. No downtimes were noted for t4c.ic.cz in any inspections performed as of January 30, 2025. As of January 30, 2025, all of the obtained responses have indicated that there were no replies with errors. On August 19, 2021, records show a t4c.ic.cz response time of 0.023 seconds, compared to an average of 0.025 seconds.