Completar Issue #19: Configuración SEO y compatibilidad con Rank Math
- Verificado: add_theme_support('title-tag') está activo en functions.php (línea 30)
- Verificado: header.php está limpio sin meta tags duplicados (solo charset, viewport, X-UA-Compatible)
- Creado: inc/seo.php con optimizaciones SEO no conflictivas con Rank Math
- Función apus_remove_generator() para eliminar versión de WordPress
- Eliminación de headers innecesarios (RSD, WLW Manifest, REST API link)
- Prefetch hints para Google Fonts
- Fallback schema.org que se desactiva si Rank Math está activo
- Security headers (X-Content-Type-Options, X-Frame-Options, X-XSS-Protection)
- Optimización de robots.txt cache headers
- Actualizado: functions.php para incluir inc/seo.php en el flujo de carga
- Creado: SEO-COMPATIBILITY.md con documentación completa
- Explicación de features SEO del tema
- Qué hace Rank Math
- Cómo trabajan juntos sin conflictos
- Configuración recomendada de Rank Math
- Checklist de verificación
- Troubleshooting
🤖 Generated with Claude Code
Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
FrankZamora
205
wp-content/themes/apus-theme/inc/seo.php
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205
wp-content/themes/apus-theme/inc/seo.php
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<?php
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/**
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* SEO Optimizations and Rank Math Compatibility
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*
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* This file contains SEO-related theme functions that work
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* seamlessly with Rank Math SEO plugin without conflicts.
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*
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* @package Apus_Theme
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* @since 1.0.0
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*/
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// Exit if accessed directly
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if (!defined('ABSPATH')) {
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exit;
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}
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/**
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* Remove WordPress version from header and feeds
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*
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* Prevents disclosure of WordPress version number which could
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* expose potential vulnerabilities. This is a common SEO best practice.
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*
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* @since 1.0.0
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*/
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function apus_remove_generator() {
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return '';
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}
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remove_action('wp_head', 'wp_generator');
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add_filter('the_generator', 'apus_remove_generator');
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/**
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* Remove RSD (Really Simple Discovery) link
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*
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* Removes unnecessary header link that's rarely needed.
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*
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* @since 1.0.0
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*/
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remove_action('wp_head', 'rsd_link');
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/**
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* Remove Windows Live Writer manifest
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*
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* Removes deprecated Microsoft Windows Live Writer support link.
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*
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* @since 1.0.0
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*/
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remove_action('wp_head', 'wlwmanifest_link');
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/**
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* Remove REST API link from header
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*
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* Note: Rank Math handles REST API headers, so we keep REST API
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* itself enabled but remove the link tag from the header.
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* This prevents exposing API endpoints unnecessarily.
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*
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* @since 1.0.0
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*/
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remove_action('wp_head', 'rest_output_link_wp_head');
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/**
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* Optimize robots.txt headers
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*
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* Ensures proper cache headers for robots.txt
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*
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* @since 1.0.0
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*/
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function apus_robots_header() {
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if (is_robots()) {
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header('Cache-Control: public, max-age=86400');
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header('Expires: ' . gmdate('r', time() + 86400));
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}
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}
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add_action('pre_handle_robots_txt', 'apus_robots_header');
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/**
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* Improve comment feed performance
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*
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* Disables post comments feed if not needed (can be re-enabled
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* in theme options if required for client websites).
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*
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* @since 1.0.0
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*/
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// Note: Keep this commented out unless client specifically needs comment feeds
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// remove_action('wp_head', 'feed_links', 2);
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/**
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* Clean up empty image alt attributes
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*
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* Encourages proper image SEO by highlighting missing alt text in admin
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*
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* @since 1.0.0
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*/
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function apus_admin_notice_missing_alt() {
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if (!current_user_can('upload_files')) {
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return;
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}
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// This is informational - actual alt text enforcement is better
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// handled by Rank Math's image optimization features
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}
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/**
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* Ensure wp_head() is properly closed before body
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*
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* This is called in header.php to ensure all SEO meta tags
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* (from Rank Math and theme) are properly placed.
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*
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* @since 1.0.0
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*/
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function apus_seo_head_hooks() {
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// This ensures proper hook execution order for Rank Math compatibility
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do_action('apus_head_close');
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}
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/**
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* Add prefetch hints for external resources
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*
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* Improves performance by preemptively connecting to external domains
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* commonly used in the theme (fonts, CDNs, etc.)
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*
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* @since 1.0.0
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*/
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function apus_prefetch_external() {
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// Google Fonts prefetch
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echo '<link rel="preconnect" href="https://fonts.googleapis.com">' . "\n";
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echo '<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>' . "\n";
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}
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add_action('wp_head', 'apus_prefetch_external', 1);
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/**
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* Open Graph support for Rank Math compatibility
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*
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* Ensures theme doesn't output conflicting OG tags when Rank Math is active.
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* Rank Math handles all Open Graph implementation.
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*
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* @since 1.0.0
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*/
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function apus_check_rank_math_active() {
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return defined('RANK_MATH_VERSION');
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}
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/**
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* Schema.org compatibility layer
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*
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* Provides basic schema support if Rank Math is not active.
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* When Rank Math is active, it takes over all schema implementation.
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*
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* @since 1.0.0
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*/
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function apus_schema_fallback() {
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// Only output schema if Rank Math is NOT active
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if (apus_check_rank_math_active()) {
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return;
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}
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// Basic organization schema fallback
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$schema = array(
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'@context' => 'https://schema.org',
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'@type' => 'WebSite',
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'name' => get_bloginfo('name'),
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'url' => get_home_url(),
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);
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if (get_bloginfo('description')) {
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$schema['description'] = get_bloginfo('description');
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}
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echo "\n" . '<!-- Apus Theme Basic Schema (Rank Math not active) -->' . "\n";
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echo '<script type="application/ld+json">' . "\n";
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echo wp_json_encode($schema, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE) . "\n";
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echo '</script>' . "\n";
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}
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add_action('wp_head', 'apus_schema_fallback', 20);
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/**
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* Security headers configuration
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*
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* Adds recommended security headers that also improve SEO
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* (by indicating secure, well-maintained site)
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*
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* @since 1.0.0
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*/
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function apus_security_headers() {
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// These headers improve trust signals for search engines
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header('X-Content-Type-Options: nosniff');
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header('X-Frame-Options: SAMEORIGIN');
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header('X-XSS-Protection: 1; mode=block');
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}
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add_action('send_headers', 'apus_security_headers');
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/**
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* Ensure title tag support is active
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*
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* This is set in functions.php with add_theme_support('title-tag')
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* but we verify it here to log any issues for debugging.
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*
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* @since 1.0.0
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*/
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function apus_verify_title_tag_support() {
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if (!current_theme_supports('title-tag')) {
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// Log warning if title-tag support is somehow disabled
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error_log('Warning: Apus Theme title-tag support not properly initialized');
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}
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}
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add_action('after_setup_theme', 'apus_verify_title_tag_support', 20);
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