How to Install WP-reCAPTCHA in WordPress

The WP-reCAPTCHA plugin is a good tool for fighting spam in WordPress. It can prevent spammers from posting unwanted comments in your WordPress blog. A CAPTCHA is an image made up of letters and numbers, and a user is required to type those same letters and numbers correctly to prove they are not a spam bot. It is difficult for bots to read the image, and therefore prevents automated spam bots from posting in your blog. In this article we’ll show you how to install the WP-reCAPTCHA WordPress plugin.

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Installing WP-reCAPTCHA

  1. Log into your WordPress Dashboard
  2. Roll your mouse over Plugins, then click Add New.
    Installing the WP-reCAPTCHA plugin for WordPress
  3. In the search box type wp-recaptcha and hit enter. Click Install Now next to the WP-reCAPTCHA plugin.
    Setup WordPress Captcha
  4. On the next screen click the Activate Plugin link, and the WP-reCAPTCHA plugin will be installed and enabled.
    Turning WP-reCPTCHA plugin on

How to Setup the reCAPTCHA API Keys

  1. Go to the Google reCAPTCHA Admin page (https://www.google.com/recaptcha/admin), click the doamin you want to use the reCAPTCHA keys for.
    WP-reCAPTCHA setup
    If you have not registered your site for Google reCAPTCHA, you can do so on the bottom of this page. It is also covered in our guide How to get the public and private keys for Google reCAPTCHA
  • On the next page click the Keys link, under Adding reCAPTCHA to your site. You will then see your Site key, and Secret Key listed, save them for later use. For example, you can copy and paste them into a .txt document.
    WP-reCAPTCHA setup
  • Log into your WordPress Dashboard
  • Click Plugins, then click Settings under WP-reCAPTCHA.
    WordPress Captcha settings
  • Enter your Site Key, and Secret Key, then click the Save reCAPTCHA Changes button. You are finished when you see a Settings saved message.
    WordPress CAPTCHA Setup

    Now when visitors post a Comment or Register for your site, they will have to complete a re-CAPTCHA validation, to prove they are human. See the examples below.

    Examples of WP-reCAPTCHA
    Comment Page: Registration Page:
    Example of WP-reCAPTCHA

    Example of WP-reCAPTCHA

  • You now have a CAPTCHA system for your WordPress blog, and the amount of Spam to your site should be reduced!

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