Spam Comments Linking to Suspicious Domains

Sends comments to spam when the commenter's website field points to a domain ending you have chosen to distrust, such as .xyz, .top or .click.

WPIDE Team
Updated October 28, 2026

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Code

$wpide_spam_tlds = array( 'xyz', 'top', 'click', 'loan', 'work', 'icu', 'buzz', 'cam', 'rest' );

add_filter( 'pre_comment_approved', function ( $approved, $commentdata ) use ( $wpide_spam_tlds ) {
    if ( 'spam' === $approved || empty( $commentdata['comment_author_url'] ) ) {
        return $approved;
    }

    $host = strtolower( (string) wp_parse_url( $commentdata['comment_author_url'], PHP_URL_HOST ) );
    $tld  = substr( strrchr( '.' . $host, '.' ), 1 );

    return in_array( $tld, $wpide_spam_tlds, true ) ? 'spam' : $approved;
}, 20, 2 );

Notes

Edit the endings at the top to match the spam you actually receive.

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Details

Code type: PHP
Category: Security
Runs: Run everywhere
Requires: Nothing beyond WordPress
Version: 1
Updated: October 28, 2026

Spam Comments Linking to Suspicious Domains

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Spam Comments Linking to Suspicious Domains

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