Stuck on a 'Loading...' screen when users try to 'verify you're not a robot'?...

https://wiki-wire.win/index.php/The_Digital_Bouncer:_How_to_Explain_Security_Verification_Pages_to_Non-Technical_Users

Stuck on a 'Loading...' screen when users try to 'verify you're not a robot'? This frustrating loop usually happens because you hit your free reCAPTCHA quota. I’ll show you how to spot these limits and fix the issue before you lose more visitors.