To start using reCAPTCHA, you need to sign up for an API key pair for your site. The key pair consists of a site key and secret key. The site key is used to invoke reCAPTCHA service on your site or mobile application.
https://developers.google.com/recaptc...
Save Your WordPress Website from Spam Bots and Spammy Link Comments. Prevent Spams in your WordPress Website and improve the reader experience. A superior CxD (Consumer Experience Design) on the web is critical to boosting your SEO / SERP rankings.
WordPress Spam Protection Series Videos:
Step 1: Configure the right comment settings for your content/blog.
[ • Video ]
Step 2: Prevent Spam comments using Akismet Anti-Spam
[ • How to use Akismet Anti-Spam for WordPress... ]
Step 3: Use DISQUS for a seamless and safe commenting / reader engagement system.
[ • How to use DISQUS for WordPress Spam Comme... ]
Step 4: Use Recaptcha / HoneyPot on Web Forms to prevent spam.
[ • How to add a Google reCAPTCHA checkbox to ... ]
For more on Wordpress Security, Performance and Raking, Subscribe and browse the knowledge videos.
Any doubts/queries? Feel free to drop in your question in the comment section.
Hope this helps.
Thank You.