Wordpress 网站免插件性能优化指南 注意：每一段代码上方都有功能注释，复制到主题 functions.php 文件，按需自取！//移除标头超链接 s.w.org remove_action('wp_head','wp_resource_hints',2); //移除文章和评论feed remove_action( 'wp_head', 'feed_links', 2 ); //移除分类等feed remove_action( 'wp_head', 'feed_links_extra', 3 ); // 隐藏WordPress登录失败时的错误提示信息 function no_wordpress_errors(){ return 'Something is Wrong.'; } add_filter( 'login_errors', 'no_wordpress_errors' ); //替换Gavatar头像地址 function get_ssl_avatar($avatar) { if (preg_match_all( '/(src|srcset)=["\']https?.*?\/avatar\/([^?]*)\?s=([\d]+)&([^"\']*)?["\']/i', $avatar, $matches ) > 0) { $url = 'https://cdn.sep.cc'; $size = $matches[3][0]; $vargs = array_pad(array(), count($matches[0]), array()); for ($i = 1; $i < count($matches); $i++) { for ($j = 0; $j < count($matches[$i]); $j++) { $tmp = strtolower($matches[$i][$j]); $vargs[$j][] = $tmp; if ($tmp == 'src') { $size = $matches[3][$j]; } } } $buffers = array(); foreach ($vargs as $varg) { $buffers[] = vsprintf( '%s="%s/avatar/%s?s=%s&%s"', array($varg[0], $url, $varg[1], $varg[2], $varg[3]) ); } return sprintf( '<img alt="avatar" %s class="avatar avatar-%s" height="%s" width="%s" />', implode(' ', $buffers), $size, $size, $size ); } else { return false; } } add_filter('get_avatar', 'get_ssl_avatar'); //WordPress查看站点新窗口打开 add_action( 'admin_bar_menu', 'customize_my_wp_admin_bar', 80 ); function customize_my_wp_admin_bar( $wp_admin_bar ) { //获取view-site 节点以便修改 $node = $wp_admin_bar->get_node('view-site'); //修改打开方式 $node->meta['target'] = '_blank'; //更新节点 $wp_admin_bar->add_node($node); } //禁用懒加载 add_filter('wp_lazy_loading_enabled', '__return_false'); /* 评论作者链接新窗口打开 */ function my_get_comment_author_link() { $url = get_comment_author_url( $comment_ID ); $author = get_comment_author( $comment_ID ); if ( empty( $url ) || 'http://' == $url ) return $author; else return "<a target='_blank' href='$url' rel='external nofollow' class='url'>$author</a>"; } add_filter('get_comment_author_link', 'my_get_comment_author_link'); //禁止后台谷歌字体 function coolwp_remove_open_sans_from_wp_core() { wp_deregister_style( 'open-sans' ); wp_register_style( 'open-sans', false ); wp_enqueue_style('open-sans',''); } add_action( 'init', 'coolwp_remove_open_sans_from_wp_core' ); //文章内链接新窗口打开 function autoblank($text) { $return = str_replace('<a', '<a target="_blank"', $text); return $return; } add_filter('the_content', 'autoblank'); // 设置图片的默认显示方式 add_action( 'after_setup_theme', 'default_attachment_display_settings' ); function default_attachment_display_settings() { update_option( 'image_default_align', 'center' ); //居中显示 update_option( 'image_default_link_type', ' file ' ); //连接到媒体文件本身 update_option( 'image_default_size', 'full' ); //完整尺寸 } // 移除 WordPress 加载的JS和CSS链接中的版本号 function wpdaxue_remove_cssjs_ver( $src ) { if( strpos( $src, 'ver=' ) ) $src = remove_query_arg( 'ver', $src ); return $src; } add_filter( 'style_loader_src', 'wpdaxue_remove_cssjs_ver', 999 ); add_filter( 'script_loader_src', 'wpdaxue_remove_cssjs_ver', 999 ); // 给WordPress分类目录链接删除斜杠 function mx_untrailingslashit($string, $type_of_url) { if ( $type_of_url != 'page' ) $string = untrailingslashit($string); return rtrim( $string, '/\\' ); } add_filter('user_untrailingslashit', 'mx_untrailingslashit', 10, 2); //屏蔽站点管理员邮箱定期验证功能 add_filter( 'admin_email_check_interval', '__return_false'); // Disable auto-embeds for WordPress >= v3.5 remove_filter( 'the_content', array( $GLOBALS['wp_embed'], 'autoembed' ), 8 ); // 移除头部 wp-json 标签和 HTTP header 中的 link remove_action('wp_head', 'rest_output_link_wp_head', 10 ); remove_action('template_redirect', 'rest_output_link_header', 11 ); // Disable XML-RPC functionality add_filter('xmlrpc_enabled', '__return_false'); //移除后台界面右上角的帮助和显示 add_action('in_admin_header', function(){ global $current_screen; $current_screen->remove_help_tabs(); }); add_action('in_admin_header', function(){ add_filter('screen_options_show_screen', '__return_false'); add_filter('hidden_columns', '__return_empty_array'); }); //移除页面头部的版本和服务发现相关代码 remove_action('wp_head', 'wp_generator'); remove_action('wp_head', 'rsd_link'); remove_action('wp_head', 'wlwmanifest_link'); remove_action('wp_head', 'wp_shortlink_wp_head', 10, 0); //彻底关闭 pingback add_filter('xmlrpc_methods',function($methods){ $methods['pingback.ping'] = '__return_false'; $methods['pingback.extensions.getPingbacks'] = '__return_false'; return $methods; }); //禁用 pingbacks, enclosures, trackbacks remove_action( 'do_pings', 'do_all_pings', 10 ); //去掉 _encloseme 和 do_ping 操作。 remove_action( 'publish_post','_publish_post_hook',5 ); //移除后台隐私相关的页面 add_action('admin_menu', function(){ remove_submenu_page('options-general.php', 'options-privacy.php'); remove_submenu_page('tools.php', 'export-personal-data.php'); remove_submenu_page('tools.php', 'erase-personal-data.php'); }, 11); //WordPress 彻底移除后台“隐私”设置功能 add_filter( 'map_meta_cap', 'ds_disable_core_privacy_tools', 10, 2 ); remove_action( 'init', 'wp_schedule_delete_old_privacy_export_files' ); remove_action( 'wp_privacy_delete_old_export_files', 'wp_privacy_delete_old_export_files' ); function ds_disable_core_privacy_tools( $caps, $cap ) { switch ( $cap ) { case 'export_others_personal_data': case 'erase_others_personal_data': case 'manage_privacy_options': $caps[] = 'do_not_allow'; break; } return $caps; } //后台提速 remove_action('admin_init', '_maybe_update_core'); remove_action('admin_init', '_maybe_update_plugins'); remove_action('admin_init', '_maybe_update_themes'); remove_action('init', 'wp_schedule_update_checks'); wp_clear_scheduled_hook('wp_version_check'); wp_clear_scheduled_hook('wp_update_plugins'); wp_clear_scheduled_hook('wp_update_themes'); //RSS feed更新频率 add_filter( 'rss_update_period', function() {return 'weekly';} ); add_filter( 'rss_update_frequency', function() {return '2';} ); //隐藏feed 版本号 function ludou_remove_wp_version() { return ''; } add_filter('the_generator', 'ludou_remove_wp_version');