Stuck on the "verify you're not a robot" loop? Seeing "Loading..." spin forever...

https://www.sierrabookmarking.win/getting-stuck-on-the-verify-you-re-not-a-robot-screen-is-frustrating

Stuck on the "verify you're not a robot" loop? Seeing "Loading..." spin forever along with a quota warning is frustrating. After years of managing WAFs, I know these errors happen. Here is how to check your keys and get traffic moving again.