5 availability checks of landmarkcolumbus.org had over the 2 091 day period starting from June 10, 2019. The checks conducted revealed landmarkcolumbus.org worked 3 times overall, as evidenced by the 200 status on June 17, 2019. No occurrences of inaccessibility were recorded for landmarkcolumbus.org based on evaluations conducted as of March 1, 2025. Code 404 marked the most current error noted on March 31, 2023, within the total of 2 error responses. On March 31, 2023, 0.080 seconds contrasted landmarkcolumbus.org's average 0.683 seconds response time.