Over the course of the 1 396 days that started on January 22, 2021, 3 availability checks of diigo.com were carried out. Diigo.com, during all tests, proved its functionality 3 times, with the latest uptime on March 2, 2021, confirming a response of code 200. Offline periods were not observed for diigo.com based on all checks made as of November 18, 2024. The results of the replies received as of November 18, 2024, confirmed that no responses had an error status. The 1.194 seconds March 2, 2021, response time for diigo.com differed from the 1.229 seconds average.