1 uptime tests for cliffsnaturalresources.com were performed during the 791 day period starting on September 24, 2022, according to records. Cliffsnaturalresources.com faced accessibility issues or technical challenges in each assessment completed as of November 23, 2024. As of November 23, 2024, there was no downtime experienced by cliffsnaturalresources.com during the inspection process. Code 404, which took place on September 24, 2022, was the most current error noted among a total of 1 responses that had errors. Records indicate a 0.414 seconds average response time for cliffsnaturalresources.com, while on September 24, 2022, it responded in 0.414 seconds.