“This page (https://zcash.flypool.org/) is currently offline. However, because the site uses Cloudflare’s Always Online™ technology you can continue to surf a snapshot of the site. We will keep checking in the background and, as soon as the site comes back, you will automatically be served the live version. Always Online™”
While the site appears to be down, are miners still mining? That’s really the more important question. I’m not mining on Flypool at the moment so I’m not sure. It could just be an issue with their site and not the pool itself.