Den Header von WordPress bereinigen

clean-header.php

<?php

//emoji aus dem header entfernen
function disable_emoji_dequeue_script() {
    wp_dequeue_script( 'emoji' );
}
add_action( 'wp_print_scripts', 'disable_emoji_dequeue_script', 100 );
remove_action( 'wp_head', 'print_emoji_detection_script', 7 ); 
remove_action( 'wp_print_styles', 'print_emoji_styles' );


// Header Links entfernen
add_action('init', 'remheadlink');
function remheadlink()
	{
	remove_action('wp_head', 'rsd_link');
	remove_action('wp_head', 'wp_generator');
	remove_action('wp_head', 'index_rel_link');
	remove_action('wp_head', 'wlwmanifest_link');
	remove_action('wp_head', 'feed_links', 2);
	remove_action('wp_head', 'feed_links_extra', 3);
	remove_action('wp_head', 'parent_post_rel_link', 10, 0);
	remove_action('wp_head', 'start_post_rel_link', 10, 0);
	remove_action('wp_head', 'wp_shortlink_wp_head', 10, 0);
	remove_action('wp_head', 'wp_shortlink_header', 10, 0);
	remove_action('wp_head', 'adjacent_posts_rel_link_wp_head', 10, 0);
	}
	
	

Danke für die Artikelserie und die Code-Schnippsel. Aber wo muss ich diese Datei hinpacken? Oder was muss ich editieren?

Kann mich der Frage v. neulaender nur anschließen.

In die functions.php