How to Install WP-reCAPTCHA in WordPress

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 (, 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
  2. 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


  3. Log into your WordPress Dashboard
  4. Click Plugins, then click Settings under WP-reCAPTCHA.
    WordPress Captcha settings


  5. 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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John-Paul Briones Content Writer II

John-Paul is an Electronics Engineer that spent most of his career in IT. He has been a Technical Writer for InMotion since 2013.

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13 thoughts on “How to Install WP-reCAPTCHA in WordPress

  1. sir i unable this to my website but i see this error


    ERROR for site owner: Invalid key type


    now i can not login to admin page to disable this plugin.


    please help me

      1. I hope that works out for you zeeshan. Thanks for providing that insight Mike, we always appreciate contributions to our Support Center!

  2. I have installed the plugin but don’t have an option to edit the settings to put my API key in. Do you have any advice?

  3. Hi guys, when I click on activate it doesn’t activate at all, tried to reinstall it but no deal. Could you please help me? I’m using the default Twenty Twentyseven theme. Thanks in advance,


  4. Thank you for this article. I had a massive problem on my gobangkoktours website and thanks to your article I managed to get it sorted!

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