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Anti Spam#

The Comments plugin provides some protection against spam-bots filling out your comment forms. By including the {{ craft.comments.protect() }} call in your form template, you'll be protected from the below methods.

reCAPTCHA#

Arguably the best spam-protection service out there from Google, reCAPTCHA v3 (opens new window) can protect your comments from spam-submission. Best of all, being an invisible CAPTCHA field means your users don't have to do anything - it just works.

Turn this on by enabling the Enable reCAPTCHA setting in the plugin settings, and fill in your Site Key and Secret Key. To create these keys, head to the reCAPTCHA Admin Console (opens new window).

Additional Protection#

Instead of, or in addition to reCAPTCHA, there are 3 main methods below that are incorporated into Comments.

Prevent non-browser form submissions

This method ensures that your form is submitted from your website and not from a third-party website or a headless browser. This method implements behaviour similar to CSRF tokens.

Users must have JavaScript enabled

Often, when robots access your website programmatically, they do not have Javascript enabled. The Javascript spam protection method tests if a user submitting your form has Javascript enabled in their browser and rejects the submission if they do not.

Prevent against robots who auto-fill all of your form fields

Many robots fill out every single form field before they submit. The honeypot method of spam prevention creates a hidden field that should not be filled in by a user on your site because they will never see the field or know it exists. When a robot automatically fills in the field and submits the form, the form submission will be denied.

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Get started with Comments

Available for Craft 4. Get it from the plugin store.