4 tests were conducted on the operability of spmjs.io over the 1 191 days starting on September 18, 2021. Spmjs.io was reachable 4 times, according to availability tests, including on November 13, 2022, when a code 200 was received. As of December 23, 2024, reviews had not revealed any instances of spmjs.io downtime. There have been no instances of error statuses among any responses received as of December 23, 2024. Contrary to its average response time of 1.894 seconds, spmjs.io responded in 0.001 seconds on November 13, 2022.