去除WordPress header 的 link 标签 rel 属性
WordPress 在 2.8 版本之后，增加了几个新的 link 标签 rel 属性，例如：
<link rel="index" title="Sino Blog" href="http://www.sinoblog.org" /> <link rel="start" title="Hello World" href="http://www.sinoblog.org/2007/09/hello-world.html" /> <link rel="prev" title="QQ邮箱支持域名邮箱个性化邮件服务" href="http://www.sinoblog.org/2009/09/qq-domainmail.html" />
如果要去掉 WordPress 博客 header 部分的这些 rel 属性，可以通过修改主题支持函数(functions.php）来实现，规则是：
remove_action( $tag, $function_to_add, $priority, $accepted_args );
例如，要去掉下面的这些 link 标签：
<link rel="alternate" type="application/rss+xml" title="WP Engineer RSS Feed" href="http://www.aliyoga.com/yujia/feed/" /> <link rel="alternate" type="application/atom+xml" title="WP Engineer Atom Feed" href="http://www.aliyoga.com/yujia/feed/atom/" /> <link rel="pingback" href="http://www.aliyoga.com/yujia/xmlrpc.php" /> <link rel="EditURI" type="application/rsd+xml" title="RSD" href="http://www.aliyoga.com/xmlrpc.php?rsd" /> <link rel="index" title="WP Engineer" href="http://www.aliyoga.com" /> <link rel="start" title="Use WordPress 2.7 Offline" href="http://www.aliyoga.com/shop/" /> <link rel="prev" title="Recents Drafts All Authors" href="http://www.aliyoga.com/bbs/" />
分别对应的 remove_action 代码是：
remove_action( 'wp_head', 'feed_links_extra', 3 ); // Display the links to the extra feeds such as category feeds remove_action( 'wp_head', 'feed_links', 2 ); // Display the links to the general feeds: Post and Comment Feed remove_action( 'wp_head', 'rsd_link' ); // Display the link to the Really Simple Discovery service endpoint, EditURI link remove_action( 'wp_head', 'wlwmanifest_link' ); // Display the link to the Windows Live Writer manifest file. remove_action( 'wp_head', 'index_rel_link' ); // index link remove_action( 'wp_head', 'parent_post_rel_link', 10, 0 ); // prev link remove_action( 'wp_head', 'start_post_rel_link', 10, 0 ); // start link remove_action( 'wp_head', 'adjacent_posts_rel_link', 10, 0 ); // Display relational links for the posts adjacent to the current post. remove_action( 'wp_head', 'wp_generator' ); // Display the XHTML generator that is generated on the wp_head hook, WP version
在一个老外的博客看到的，记录一下
本文来源于Sino Blog http://www.sinoblog.org , 原文地址： http://www.sinoblog.org/2009/09/cleanup-wordpress-header-link-rel.html
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