Stuck on the 'verify you're not a robot' screen that just displays 'Loading...'...

https://www.red-bookmarks.win/getting-stuck-on-a-loading-screen-while-trying-to-verify-you-re-not-a

Stuck on the 'verify you're not a robot' screen that just displays 'Loading...' indefinitely? If you see a quota warning, your security service is likely locking the door. I have spent years troubleshooting these WAF issues for busy sites