Jira cloud famously takes 30-60 seconds on even a fairly high-end laptop, which is just staggering. I can install an entire operating system into a virtual machine in that time.
I use Jira every day and, no, it does not take 30-60 seconds to load a page.
The hyperbole in this comment section is something else. Either that or people are using 15 year old computers to browse the web.