'remove_shortlink', 'title' => 'Remove shortlink tag', 'desc' => 'Remove rel=shortlink from the page head and HTTP headers', 'icon' => 'code', 'risk' => 'safe', 'level' => 'beginner', 'audience' => 'everyone', 'priority' => 3, 'benefit' => 'Visitors and search engines rarely use the shortlink. Removing it tidies the page head; shortlink URLs keep working.', 'help' => 'WordPress adds a shortlink such as ?p=123 to posts and pages, as a tag and a Link: HTTP header. This removes both. Visiting ?p=123 still takes people to the post.', 'before' => '', 'after' => 'Removed.', 'detect' => function () { return array( 'detected' => true, 'message' => 'Present in page source', 'safe' => true, 'savings' => 'Cleaner HTML', ); }, 'callback' => function () { remove_action( 'wp_head', 'wp_shortlink_wp_head' ); remove_action( 'template_redirect', 'wp_shortlink_header', 11 );}, );