Contact Form 7 is one of the most downloaded WordPress plugins to date. But most of us have no clue how to add CAPTCHA to a Contact Form 7 form. Even some people surprised to hear that Contact Form 7 can support CAPTCHA to prevent bots from submitting forms.
CAPTCHA Directory Settings
Contact Form 7 creates a temporary folder and stores any CAPTCHA files there. In most cases, the location of the temporary folder is wp-contents/uploads/wpcf7_captcha, but it can be different depending on your settings.
Open the Settings > Miscellaneous menu, and check the setting for Store uploads in this folder field. The default is
wp-content/uploads. Normally, Contact Form 7 creates a
wpcf7_captcha folder in this location and uses it as the temporary folder for any CAPTCHA files.
How to use CAPTCHA
To add a CAPTCHA into your contact form, you must utilize
captchar form tags.
captchac means CAPTCHA-Challenge and it represents an
<img> element for a CAPTCHA image.
captchar means CAPTCHA-Response and it represents an
<input type="text"> element for a response input field.
captchac tag must always be paired with a
captchar tag with the same name. For example, tags shown below are valid:
[captchac captcha-1] [captchar captcha-1]
But these are invalid because they have different names. In this case, the CAPTCHA and its response do not match:
[captchac captcha-2] [captchar captcha-3]
Contact Form 7 Demo
Need More Information?
Many Many thanks to Takayuki Miyoshi to create such an wonderful plugin for WordPress community. Contact Form 7 homepage has necessary documentation and customization tips you may need.
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