Published on October 23, 2023

In today’s digital age, spam and bots have become a major problem for website owners. They can cause a range of issues, from annoying users with unwanted messages to compromising website security. To combat this issue, Google introduced reCAPTCHA, to protect websites from spam and abuse. In this article, we’ll take a closer look at CAPTCHA and how it works.

reCAPTCHA

What is reCAPTCHA?

IT is a free service provided by Google that helps protect websites from spam and abuse. Additionally, it uses advanced risk analysis techniques to distinguish between humans and bots, preventing bots from accessing protected areas of a website. Moreover, it is available in two versions: reCAPTCHA v2 and v3.

How does CAPTCHA work?

Google’s reCAPTCHA works by presenting a challenge to the user that is easy for humans to solve but difficult for bots. Additionally, in CAPTCHA v2, users are presented with a checkbox that they need to click to prove they are human. Some cases may require users to solve a visual puzzle or identify objects in an image. Instead, its uses machine learning algorithms to analyze user behavior on a website and determine whether they are human or bot.

Why reCAPTCHA is important?

It is important because it helps protect websites from spam and abuse. Additionally, by preventing bots from accessing protected areas of a website, CAPTCHA helps ensure that users have a better experience on the website. Moreover, it also helps protect website owners from potential security threats that can arise from spam and abuse.

Setting up CAPTCHA on Your Website

  • Go to the this website (https://www.google.com/recaptcha/admin/create) and click on the “Admin Console” button in the top right corner.

  • Sign in with your Google account or create a new one if you don’t have one already.

  • Register your website by filling in the required information, such as the label and the domain name. The label is typically a short description of  purpose , such as “I’m not a robot” or “Prove you’re human”. The domain name is the website or application domain that the reCAPTCHA will be used on.

  • Choose the CAPTCHA type you want to use. There are two types: reCAPTCHA v2 and v3. reCAPTCHA v2 is the most commonly used type and requires users to click on a checkbox to prove they are human. reCAPTCHA v3 is a newer version that runs in the background and assigns a score to each user based on their behavior on your website.

  • Follow the instructions provided by Google to add the code to your website. This will involve adding some HTML code to your website’s forms and including the reCAPTCHA API script in your website’s header.

  • Test your CAPTCHA implementation to make sure it’s working correctly.