Captcha

Captcha systems are very effective at ensuring that only human visitors can submit forms. As they contain a form field that does not always interact perfectly with the page structure they can occasionally cause a missing field when analysing with the Form Analytics tool. The captcha is not displayed on the page, instead "Input error:Invalid referrer" appears

To resolve this: Wrap the " section and its content (the Captcha) with ClickTaleExcludeBlock and put the following as alternate content:

This would look like:

For Google reCaptcha it would be:

Please note that this is not always required, the Form submission process should be tested prior to implementing this, other Captchas may require slightly different replacement content (this also depends on the overall structure of the form) and yet other Captchas may require no changes to be made.