【コピペOK】WordPressのヘッダーをキレイにするコード - 名古屋でホームページ制作、ECサイト制作なら花のや 名古屋のホームページ制作、web制作会社 花のや

<link rel='dns-prefetch' href='//ajax.googleapis.com' />
<link rel='dns-prefetch' href='//s.w.org' />
<link rel='https://api.w.org/' href='http://hogehoge.com/wp-json/' />
<link rel="EditURI" type="application/rsd+xml" title="RSD" href="http://hogehoge.com/xmlrpc.php?rsd" />
<link rel="wlwmanifest" type="application/wlwmanifest+xml" href="http://hogehoge.com/wp-includes/wlwmanifest.xml" /> 
<meta name="generator" content="WordPress 4.5" />
<link rel="canonical" href="http://hogehoge.com/" />
<link rel='shortlink' href='http://wp.me/P11111' />
<!-- 絵文字 -->
<script type="text/javascript">
window._wpemojiSettings = {"baseUrl":"https:\/\/s.w.org\/images\/core\/emoji\/2.2.1\/72x72\/","ext":".png","svgUrl":"https:\/\/s.w.org\/images\/core\/emoji\/2.2.1\/svg\/","svgExt":".svg","source":{"concatemoji":"http:\/\/dosankocare.com\/wp-includes\/js\/wp-emoji-release.min.js?ver=4.7.5"}};
!function(a,b,c){function d(a){var b,c,d,e,f=String.fromCharCode;if(!k||!k.fillText)return!1;switch(k.clearRect(0,0,j.width,j.height),k.textBaseline="top",k.font="600 32px Arial",a){case"flag":return k.fillText(f(55356,56826,55356,56819),0,0),!(j.toDataURL().length<3e3)&amp;amp;&amp;amp;(k.clearRect(0,0,j.width,j.height),k.fillText(f(55356,57331,65039,8205,55356,57096),0,0),b=j.toDataURL(),k.clearRect(0,0,j.width,j.height),k.fillText(f(55356,57331,55356,57096),0,0),c=j.toDataURL(),b!==c);case"emoji4":return k.fillText(f(55357,56425,55356,57341,8205,55357,56507),0,0),d=j.toDataURL(),k.clearRect(0,0,j.width,j.height),k.fillText(f(55357,56425,55356,57341,55357,56507),0,0),e=j.toDataURL(),d!==e}return!1}function e(a){var c=b.createElement("script");c.src=a,c.defer=c.type="text/javascript",b.getElementsByTagName("head")[0].appendChild(c)}var f,g,h,i,j=b.createElement("canvas"),k=j.getContext&amp;amp;&amp;amp;j.getContext("2d");for(i=Array("flag","emoji4"),c.supports={everything:!0,everythingExceptFlag:!0},h=0;h<i.length;h++)c.supports[i[h]]=d(i[h]),c.supports.everything=c.supports.everything&amp;amp;&amp;amp;c.supports[i[h]],"flag"!==i[h]&amp;amp;&amp;amp;(c.supports.everythingExceptFlag=c.supports.everythingExceptFlag&amp;amp;&amp;amp;c.supports[i[h]]);c.supports.everythingExceptFlag=c.supports.everythingExceptFlag&amp;amp;&amp;amp;!c.supports.flag,c.DOMReady=!1,c.readyCallback=function(){c.DOMReady=!0},c.supports.everything||(g=function(){c.readyCallback()},b.addEventListener?(b.addEventListener("DOMContentLoaded",g,!1),a.addEventListener("load",g,!1)):(a.attachEvent("onload",g),b.attachEvent("onreadystatechange",function(){"complete"===b.readyState&amp;amp;&amp;amp;c.readyCallback()})),f=c.source||{},f.concatemoji?e(f.concatemoji):f.wpemoji&amp;amp;&amp;amp;f.twemoji&amp;amp;&amp;amp;(e(f.twemoji),e(f.wpemoji)))}(window,document,window._wpemojiSettings);
</script>
<style type="text/css">
img.wp-smiley,
img.emoji {
	display: inline !important;
	border: none !important;
	box-shadow: none !important;
	height: 1em !important;
	width: 1em !important;
	margin: 0 .07em !important;
	vertical-align: -0.1em !important;
	background: none !important;
	padding: 0 !important;
}
</style>

// DNSプリフェッチ削除
add_filter( 'wp_calculate_image_srcset_meta', '__return_null' );
add_filter( 'wp_resource_hints', 'remove_dns_prefetch', 10, 2 );
function remove_dns_prefetch( $hints, $relation_type ) {
	if ( 'dns-prefetch' === $relation_type ) {
		return array_diff( wp_dependencies_unique_hosts(), $hints );
	}
	return $hints;
}
// head 内不要タグ削除
remove_action('wp_head','rest_output_link_wp_head'); //Embed除去
remove_action('wp_head','wp_oembed_add_discovery_links'); //Embed除去
remove_action('wp_head','wp_oembed_add_host_js'); //Embed除去
remove_action('wp_head','feed_links', 2); //feed除去
remove_action('wp_head','feed_links_extra', 3); //feed除去
remove_action('wp_head','rsd_link'); //RSD除去
remove_action('wp_head','wlwmanifest_link'); //Windows Live Writer
remove_action('wp_head','adjacent_posts_rel_link_wp_head'); //ページ先読み除去
remove_action('wp_head','wp_generator'); //WPバージョン除去
remove_action('wp_head','wp_shortlink_wp_head'); // 短縮URL除去

// 絵文字コード削除
remove_action('wp_head', 'print_emoji_detection_script', 7);
remove_action('wp_print_styles', 'print_emoji_styles');