在现代网站开发中，WordPress（WP）作为最流行的内容管理系统之一，拥有丰富的功能和灵活的定制性。然而，为了让网站更加高效、快速和用户友好，优化WP后台功能是至关重要的。
下面是一些简单而有效的WP功能优化建议，代码内容放入functions引用，可根据自己所需求禁用：
# ——————————————————————–
# 去wp功能
# ——————————————————————–
add_action(‘init’, ‘remove_zib_functions’);
function remove_zib_functions(){
# ——————————————————————–
# 删除子比功能
# ——————————————————————–
remove_action(‘wp_footer’, ‘zib_win_console’,99);
remove_action(‘zib_footer_conter’, ‘zib_footer_con’);
remove_action( ‘wp_enqueue_scripts’, ‘wp_common_block_scripts_and_styles’ );// block-library/style.min.css
remove_action(‘wp_enqueue_scripts’, ‘wp_enqueue_classic_theme_styles’);// 移除classic-themes.min.css
remove_action( ‘wp_enqueue_scripts’, ‘wp_enqueue_global_styles’ );// 清除global-styles-inline-css
remove_action( ‘wp_head’, ‘wp_resource_hints’, 2 );//移除 WordPress 头部加载 DNS 预获取（dns-prefetch）
add_filter( ‘wp_revisions_to_keep’, ‘disable_wp_revisions_to_keep’, 10, 2 );// 禁用版本修订
# ——————————————————————–
# 屏蔽站点Feed
# ——————————————————————–
add_action(‘template_redirect’, ‘io_feed_template_redirect’);
function io_feed_template_redirect(){
if(is_feed()){
wp_die(‘Feed已经关闭, 请访问<a href=”‘.get_bloginfo(‘url’).‘”>网站首页</a>！’, ‘Feed关闭’ , 200);
}
}
# ——————————————————————–
# 禁用 XML-RPC 接口
# ——————————————————————–
add_filter( ‘xmlrpc_enabled’, ‘__return_false’ );
add_filter( ‘xmlrpc_methods’, ‘__return_empty_array’ );
remove_action( ‘xmlrpc_rsd_apis’, ‘rest_output_rsd’ );
add_filter(‘register_taxonomy_args’, function($args){
// 屏蔽 REST API
$args[‘show_in_rest’] = false;
return $args;
});
function io_filter_register_post_type_args($args, $post_type){
// 屏蔽 Trackback// 禁用日志修订功能
if(!empty($args[‘supports’]) && is_array($args[‘supports’])){
foreach([‘trackbacks’=>‘disable_trackbacks’, ‘revisions’=>‘disable_revision’] as $support => $setting_name){
if(in_array($support, $args[‘supports’])){
$args[‘supports’] = array_diff($args[‘supports’], [$support]);
remove_post_type_support($post_type, $support);
}
}
}
return $args;
}
add_filter(‘register_post_type_args’, ‘io_filter_register_post_type_args’, 10, 2);
# ——————————————————————–
# 屏蔽Trackbacks
# ——————————————————————–
//彻底关闭 pingback
add_filter(‘xmlrpc_methods’,function($methods){
$methods[‘pingback.ping’] = ‘__return_false’;
$methods[‘pingback.extensions.getPingbacks’] = ‘__return_false’;
return $methods;
});
//禁用 pingbacks, enclosures, trackbacks
remove_action( ‘do_pings’, ‘do_all_pings’, 10 );
//去掉 _encloseme 和 do_ping 操作。
remove_action( ‘publish_post’,‘_publish_post_hook’,5 );
add_action(‘post_comment_status_meta_box-options’, function($post){
echo “<style type=’text/css’>label[for=’ping_status’]{display:none}</style>”;
});
# ——————————————————————–
# 屏蔽 REST API
# ——————————————————————–
remove_action(‘init’, ‘rest_api_init’ );
remove_action(‘rest_api_init’, ‘rest_api_default_filters’, 10 );
//remove_action(‘parse_request’, ‘rest_api_loaded’ );
add_filter(‘rest_enabled’, ‘__return_false’);
add_filter(‘rest_jsonp_enabled’,‘__return_false’);
// 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);
remove_action(‘xmlrpc_rsd_apis’, ‘rest_output_rsd’);
remove_action(‘auth_cookie_malformed’, ‘rest_cookie_collect_status’);
remove_action(‘auth_cookie_expired’, ‘rest_cookie_collect_status’);
remove_action(‘auth_cookie_bad_username’, ‘rest_cookie_collect_status’);
remove_action(‘auth_cookie_bad_hash’, ‘rest_cookie_collect_status’);
remove_action(‘auth_cookie_valid’, ‘rest_cookie_collect_status’);
remove_filter(‘rest_authentication_errors’, ‘rest_cookie_check_errors’, 100 );
# ——————————————————————–
# 移除 WP_Head 无关紧要的代码
# ——————————————————————–
remove_action( ‘wp_head’, ‘wp_generator’); //删除 head 中的 WP 版本号
foreach ([‘rss2_head’, ‘commentsrss2_head’, ‘rss_head’, ‘rdf_header’, ‘atom_head’, ‘comments_atom_head’, ‘opml_head’, ‘app_head’] as $action) {
remove_action( $action, ‘the_generator’ );
}
remove_action( ‘wp_head’, ‘rsd_link’ ); //删除 head 中的 RSD LINK
remove_action( ‘wp_head’, ‘wlwmanifest_link’ ); //删除 head 中的 Windows Live Writer 的适配器？
remove_action( ‘wp_head’, ‘feed_links_extra’, 3 ); //删除 head 中的 Feed 相关的link
remove_action( ‘wp_head’, ‘index_rel_link’ ); //删除 head 中首页，上级，开始，相连的日志链接
remove_action( ‘wp_head’, ‘parent_post_rel_link’, 10);
remove_action( ‘wp_head’, ‘start_post_rel_link’, 10);
remove_action( ‘wp_head’, ‘adjacent_posts_rel_link_wp_head’, 10);
remove_action( ‘wp_head’, ‘wp_shortlink_wp_head’, 10, 0 ); //删除 head 中的 shortlink
remove_action( ‘wp_head’, ‘rest_output_link_wp_head’, 10); // 删除头部输出 WP RSET API 地址
remove_action( ‘template_redirect’, ‘wp_shortlink_header’, 11); //禁止短链接 Header 标签。
remove_action( ‘template_redirect’, ‘rest_output_link_header’, 11); // 禁止输出 Header Link 标签。
# ——————————————————————–
# 屏蔽后台隐私
# ——————————————————————–
remove_action(‘user_request_action_confirmed’, ‘_wp_privacy_account_request_confirmed’);
remove_action(‘user_request_action_confirmed’, ‘_wp_privacy_send_request_confirmation_notification’, 12);
remove_action(‘wp_privacy_personal_data_exporters’, ‘wp_register_comment_personal_data_exporter’);
remove_action(‘wp_privacy_personal_data_exporters’, ‘wp_register_media_personal_data_exporter’);
remove_action(‘wp_privacy_personal_data_exporters’, ‘wp_register_user_personal_data_exporter’, 1);
remove_action(‘wp_privacy_personal_data_erasers’, ‘wp_register_comment_personal_data_eraser’);
remove_action(‘init’, ‘wp_schedule_delete_old_privacy_export_files’);
remove_action(‘wp_privacy_delete_old_export_files’, ‘wp_privacy_delete_old_export_files’);
add_filter(‘option_wp_page_for_privacy_policy’, ‘__return_zero’);
if(is_admin()){
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);
add_action(‘admin_init’, function(){
// Privacy policy text changes check.
remove_action(‘admin_init’, array( ‘WP_Privacy_Policy_Content’, ‘text_change_check’ ), 100);
// Show a “postbox” with the text suggestions for a privacy policy.
remove_action(‘edit_form_after_title’, array( ‘WP_Privacy_Policy_Content’, ‘notice’ ));
// Add the suggested policy text from WordPress.
remove_action(‘admin_init’, array( ‘WP_Privacy_Policy_Content’, ‘add_suggested_content’ ), 1);
// Update the cached policy info when the policy page is updated.
remove_action(‘post_updated’, array( ‘WP_Privacy_Policy_Content’, ‘_policy_page_updated’ ));
remove_filter(‘list_pages’, ‘_wp_privacy_settings_filter_draft_page_titles’, 10, 2);
}, 1);
}
# ——————————————————————–
# 屏蔽 Emoji
# ——————————————————————–
add_action(‘admin_init’, function(){
remove_action(‘admin_print_scripts’, ‘print_emoji_detection_script’);
remove_action(‘admin_print_styles’, ‘print_emoji_styles’);
});
remove_action(‘wp_head’, ‘print_emoji_detection_script’, 7);
remove_action(‘wp_print_styles’, ‘print_emoji_styles’);
remove_action(’embed_head’, ‘print_emoji_detection_script’);
remove_filter(‘the_content_feed’, ‘wp_staticize_emoji’);
remove_filter(‘comment_text_rss’, ‘wp_staticize_emoji’);
remove_filter(‘wp_mail’, ‘wp_staticize_emoji_for_email’);
add_filter(’emoji_svg_url’, ‘__return_false’);
add_filter(‘tiny_mce_plugins’, function($plugins){
return array_diff($plugins, [‘wpemoji’]);
});
# ——————————————————————–
# 屏蔽文章Embed
# ——————————————————————–
remove_action(‘wp_head’, ‘wp_oembed_add_discovery_links’);
remove_action(‘wp_head’, ‘wp_oembed_add_host_js’);
# ——————————————————————–
# 移除后台界面右上角的帮助
# ——————————————————————–
if(is_admin()){
add_action(‘in_admin_header’, function(){
global $current_screen;
$current_screen->remove_help_tabs();
});
}
# ——————————————————————–
# 禁止使用 admin 用户名尝试登录
# ——————————————————————–
add_filter( ‘wp_authenticate’, function ($user){
if($user == ‘admin’) exit;
});
add_filter(‘sanitize_user’, function ($username, $raw_username, $strict){
if($raw_username == ‘admin’ || $username == ‘admin’){
exit;
}
return $username;
}, 10, 3);
# ——————————————————————–
# 屏蔽默认小工具
# ——————————————————————–
add_action( ‘widgets_init’, ‘my_unregister_widgets’ );
function my_unregister_widgets() {
unregister_widget( ‘WP_Widget_Archives’ );
unregister_widget( ‘WP_Widget_Calendar’ );
unregister_widget( ‘WP_Widget_Categories’ );
unregister_widget( ‘WP_Widget_Links’ );
unregister_widget( ‘WP_Widget_Meta’ );
unregister_widget( ‘WP_Widget_Pages’ );
unregister_widget( ‘WP_Widget_Recent_Comments’ );
unregister_widget( ‘WP_Widget_Recent_Posts’ );
unregister_widget( ‘WP_Widget_RSS’ );
unregister_widget( ‘WP_Widget_Block’ );
//unregister_widget( ‘WP_Widget_Search’ );
unregister_widget( ‘WP_Widget_Tag_Cloud’ );
unregister_widget( ‘WP_Widget_Text’ );
unregister_widget( ‘WP_Nav_Menu_Widget’ );
unregister_widget( ‘WP_Widget_Media_Audio’ );
unregister_widget( ‘WP_Widget_Media_Image’ );
unregister_widget( ‘WP_Widget_Media_Gallery’ );
unregister_widget( ‘WP_Widget_Media_Video’ );
//unregister_widget( ‘WP_Widget_Custom_HTML’ );
}
# ——————————————————————–
# 移除 WordPress 头部加载 DNS 预获取（dns-prefetch）
# ——————————————————————–
function io_remove_dns_prefetch( $hints, $relation_type ) {
if ( ‘dns-prefetch’ === $relation_type ) {
return array_diff( wp_dependencies_unique_hosts(), $hints );
}
return $hints;
}
add_filter( ‘wp_resource_hints’, ‘io_remove_dns_prefetch’, 10, 2 );
add_filter( ‘wp_lazy_loading_enabled’, function( $default, $tag_name, $context ){
if ( ‘img’ === $tag_name && ‘the_content’ === $context ){
return false;
}
return $default;
}, 10, 3 );
# ——————————————————————–
# 禁用站点健康
# ——————————————————————–
//禁用站点健康电子邮件通知：
add_filter( ‘wp_fatal_error_handler_enabled’, ‘__return_false’ );
//删除站点健康菜单项：
function remove_site_health_menu(){
remove_submenu_page( ‘tools.php’,‘site-health.php’ );
}
//删除仪表盘站点健康状态面板：
function remove_site_health_dashboard_widget()
{
remove_meta_box(‘dashboard_site_health’, ‘dashboard’, ‘normal’);
}
//阻止站点运行站点健康检查页
function block_site_health_access() {
if ( is_admin() ) {
$screen = get_current_screen();
if ( ‘site-health’ == $screen->id ) {
wp_redirect( admin_url() );
exit;
}
}
}
//彻底禁用站点健康检
function prefix_remove_site_health( $tests ) {
$hidden_tests = array(
‘php_version’ => ‘direct’, //PHP 版本
‘plugin_version’ => ‘direct’, //插件版本
‘theme_version’ => ‘direct’, //主题版本
‘sql_server’ => ‘direct’, //数据库服务器版本
‘php_extensions’ => ‘direct’, //PHP 扩展
‘php_default_timezone’ => ‘direct’, //PHP 默认时区
‘php_sessions’ => ‘direct’, //PHP Sessions
‘utf8mb4_support’ => ‘direct’, //MySQL utf8mb4 支持
‘https_status’ => ‘direct’, //HTTPS 状态
‘ssl_support’ => ‘direct’, //安全通讯
‘scheduled_events’ => ‘direct’, //计划的事件
‘http_requests’ => ‘direct’, //HTTP请求
‘debug_enabled’ => ‘direct’, //启用调试
‘file_uploads’ => ‘direct’, //文件上传
‘plugin_theme_auto_updates’ => ‘direct’, //插件和主题自动更新
‘dotorg_communication’ => ‘async’, //与WordPress.org联通状态
‘background_updates’ => ‘async’, //后台更新
‘loopback_requests’ => ‘async’, //Loopback request
‘authorization_header’ => ‘async’, //Authorization header
‘rest_availability’ => ‘direct’, //REST API 可用性
);
foreach ( $hidden_tests as $test=>$type ) {
unset( $tests[$type][$test] );
}
return $tests;
}
# ——————————————————————–
# 屏蔽自动更新和更新检查作业
# ——————————————————————–
add_filter(‘automatic_updater_disabled’, ‘__return_true’);
remove_action(‘init’, ‘wp_schedule_update_checks’);
remove_action(‘wp_version_check’, ‘wp_version_check’);
remove_action(‘wp_update_plugins’, ‘wp_update_plugins’);
remove_action(‘wp_update_themes’, ‘wp_update_themes’);
if(is_admin()){
remove_action(‘admin_init’, ‘_maybe_update_core’);
remove_action(‘admin_init’, ‘_maybe_update_plugins’);
remove_action(‘admin_init’, ‘_maybe_update_themes’);
}
// 禁用块编辑器管理(Gutenberg)插件中的小部件。
//add_filter( ‘gutenberg_use_widgets_block_editor’, ‘__return_false’ );
// 禁用块编辑器管理小部件。
//add_filter( ‘use_widgets_block_editor’, ‘__return_false’ );
# ——————————————————————–
# 压缩网站源码
# ——————————————————————–
add_action(‘get_header’, ‘wp_compress_html’);
function wp_compress_html(){
function wp_compress_html_main ($buffer){
$initial=strlen($buffer);
$buffer=explode(“<!–wp-compress-html–>”, $buffer);
$count=count ($buffer);
$buffer_out=”;
for ($i = 0; $i < $count; $i++){
if (stristr($buffer[$i], ‘<!–wp-compress-html no compression–>’)) {
$buffer[$i]=(str_replace(“<!–wp-compress-html no compression–>”, ” “, $buffer[$i]));
} else {
$buffer[$i]=(str_replace(“\t”, ” “, $buffer[$i]));
$buffer[$i]=(str_replace(“\n\n”, “\n”, $buffer[$i]));
$buffer[$i]=(str_replace(“\n”, “”, $buffer[$i]));
$buffer[$i]=(str_replace(“\r”, “”, $buffer[$i]));
while (stristr($buffer[$i], ‘ ‘)) {
$buffer[$i]=(str_replace(” “, ” “, $buffer[$i]));
}
}
$buffer_out.=$buffer[$i];
}
$final=strlen($buffer_out);
$savings=($initial-$final)/$initial*100;
$savings=round($savings, 2);
$buffer_out.=“\n<!–压缩前的大小: $initial bytes; 压缩后的大小: $final bytes; 节约：$savings% –>”;
return $buffer_out;
}
ob_start(“wp_compress_html_main”);
}
// 代码高亮不启用压缩（不需要可删除）
add_filter( “the_content”, “unCompress”);
function unCompress($content) {
if(preg_match_all(‘/(crayon-|<\/pre>)/i’, $content, $matches)) {
$content = ‘<!–wp-compress-html–><!–wp-compress-html no compression–>’.$content;
$content.= ‘<!–wp-compress-html no compression–><!–wp-compress-html–>’;
}
return $content;
}
}
通过以上这些简单而有效的WP功能优化措施，您可以大大提升您的WordPress网站的性能、安全性和用户体验，使其成为一个令人愉悦和高效的网络平台。
