Never moderate or mark as spam comments made by registered users, regardless of the apparent spamminess of the comment.
Alternatives to Duplicate Comment Authors
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
Relevant replacements
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Changes the behavior of the built-in Recent Comments widget to display comment excerpts instead of post titles
Comment Image Boostv1.0.16
Attach images to WordPress comments with drag-and-drop, preview before posting, admin moderation, and lightbox viewer.
Opens all the links (URLs) added in the comments and author URL, in a new tab or window.
CommentAurav1.0.0
A modern discussion layer for WordPress. Your comments stay native WordPress comments — always.
Mir Comment Reactionsv1.1.0
Add fast AJAX emoji reactions to WordPress comments, with custom reactions, reports, shortcode, PHP function, and an Elementor widget.
Adds social-style cycling reactions, mandatory media uploads, and real-time AJAX interactions to native WordPress comments.
Ajaxify Comments speeds up your comment section, allowing for lazy loading comments, instant comment posting, and seamless success and error messages.
Stops visitors from posting email addresses and phone numbers in your comments. Removed in the browser as they type, and again on your server.
Analyze WordPress comments in one dashboard. Track comment stats, identify top commenters, and gain engagement insights.