4 operability checks occurred for isca.org.sg within the time frame of 736 days after November 21, 2022. Tests reveal isca.org.sg was online 4 times out of all assessments done, with November 19, 2024, being the latest 200 status result. According to test results as of November 27, 2024, it was confirmed that isca.org.sg was not inaccessible. The replies obtained affirm that, as of November 27, 2024, there were no responses indicating an error status. According to the records, on November 19, 2024, isca.org.sg replied in a time of 3.474 seconds with an average response time of 3.363 seconds.