Inspector Nexus works in both online and offline mode, but for data to be stored to the cloud correctly, you'll want to make sure you have a strong internet signal.
The most common causes of timeouts or getting stuck on the loading element of a page are unstable network and no internet connectivity.
Double check your current internet connection, or try using a hot spot on a device with a better signal!
If everything checks out and you need some extra troubleshooting help, please feel free to reach out to [email protected]