head.php

<?php

/**
 * Remove feeds and wordpress-specific content that is generated on the wp_head hook.
 *
 * @link https://developer.wordpress.org/reference/hooks/wp_head/
 */
add_action(
	'init',
	function () {
		// Remove the Really Simple Discovery service link
		remove_action( 'wp_head', 'rsd_link' );

		// Remove the link to the Windows Live Writer manifest
		remove_action( 'wp_head', 'wlwmanifest_link' );

		// Remove the general feeds
		remove_action( 'wp_head', 'feed_links', 2 );

		// Remove the extra feeds, such as category feeds
		remove_action( 'wp_head', 'feed_links_extra', 3 );

		// Remove the displayed XHTML generator
		remove_action( 'wp_head', 'wp_generator' );

		// Remove the REST API link tag
		remove_action( 'wp_head', 'rest_output_link_wp_head', 10 );

		// Remove oEmbed discovery links.
		remove_action( 'wp_head', 'wp_oembed_add_discovery_links', 10 );

		// Remove rel next/prev links
		remove_action( 'wp_head', 'adjacent_posts_rel_link', 10, 0 );

		// Remove prefetch url
		remove_action( 'wp_head', 'wp_resource_hints', 2 );
	}
);