I ctrl-f'd and didn't see anyone mention that you can look at your wifi settings, and visit the router aka default gateway IP to connect to the portal directly.

I ctrl-f'd and didn't see anyone mention that you can look at your wifi settings, and visit the router aka default gateway IP to connect to the portal directly. So like if your settings say your gateway is 192.168.0.1, go to https://192.168.0.1 https://192.168.0.1 This will work in situations where even a site like coffeeshopwifi.com doesn't