With the help of WhatIsMyBrowser the plugin detects old and bad browsers and denies them access. A special robots.txt denies crawling by bad bots.
Alternatives to User Agent Displayer
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.
Modern role editor, multiple roles, content control and smart role rules for WordPress.
A simple plugin to display visitor IP information on pages, posts, or widgets via shortcodes, and in the admin dashboard.
Display the html written between the shortcode of each user agent.
Better Commentingv1.0.3
Inline Commenting for WordPress allows users to leave comments directly within the content of a post.
This will add CSS classes in default WordPress body class. You can get browser version, OS and name.
A simple and lightweight yet rock-solid plugin that blocks comment spam using multiple automatic detection methods.
Dadsoo Ajax Commentv4.0.1
AJAX-powered comments with threaded replies, like/dislike voting, and full Elementor widget support.
Gossiped Commentsv1.2.3
Universal commenting system with cross-site profiles, reputation scores, and real-time analytics.
Comments Press Zonev1.0.6
A modern, high-performance commenting system for WordPress with voting, moderation, and customizable design.