>> CAPTCHA-hellban you get if you use "site:" in anything more than a tiny amount
> Please explain this point.
If Google thinks your searches are unusual, it will force you to answer captchas to see the results. They assume anyone using advanced features must be trying to abuse their service.
> Please explain this point.
If Google thinks your searches are unusual, it will force you to answer captchas to see the results. They assume anyone using advanced features must be trying to abuse their service.