Contact Form 7 allows you to insert CAPTCHAs into your forms. What are they, you ask.
CAPTCHA, all caps, stands for Completely Automated Public Turing test to tell Computers and Humans Apart. Hmmm, CAPTCHA is easier to remember. The plural form of the word has a small s on the end.
Let’s just focus on what it does: helps prevent spam. A CAPTCHA can be a picture or numbers that must be typed in by the site visitor thus preventing machine spam.
Sometimes (often really) they are hard for site visitors to read. For the webmaster, difficulties occur if your webhost doesn’t provide a graphic library to store them.
With Contact Form 7, you, the webdesigner, can choose to use it when you create forms. Before you do, be sure to download the “Really Simple CAPTCHA” plugin, and then activate it.
Next, create a new form with Contact Form 7 and configure it. When you generate the CAPTCHA tag, you can choose from 3 sizes and enter color codes to customize it to your website. Here’s the one I did as an example using a black background and green text:
Very simple to do, thanks to Takayuki Miyoshi, the plugin developer.
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