diff --git a/src/StarterSite.php b/src/StarterSite.php
index 17e1c7d..f7f01f3 100644
--- a/src/StarterSite.php
+++ b/src/StarterSite.php
@@ -463,6 +463,14 @@ class StarterSite extends Site {
 		$context['listContacts'] = $this->getListContacts();
         $context['footer_1'] = get_field('footer_text_1', 'option');
         $context['footer_2'] = get_field('footer_text_2', 'option');
+		$footer_img_id = get_option('options_logo_footer');
+		if ($footer_img_id) {
+			$context['footer_img'] = wp_get_attachment_image_url($footer_img_id, 'full');
+			$context['footer_img_alt'] = get_post_meta($footer_img_id, '_wp_attachment_image_alt', true);
+		} else {
+			$context['footer_img'] = '';
+			$context['footer_img_alt'] = '';
+		}
 
 		//Otras páginas
 		$context['enlaces'] = $this->getEnlaces();
diff --git a/views/layouts/base.twig b/views/layouts/base.twig
index 096da1b..22f206d 100644
--- a/views/layouts/base.twig
+++ b/views/layouts/base.twig
@@ -8,7 +8,7 @@
         {{ function('wp_body_open') }}
         <a class="skip-link screen-reader-text" href="#content">{{ _e('Skip to content') }}</a>
 
-        <header class="header">
+        <header class="header" aria-label="Cabecera del sitio">
             {% block header %}
                 <div class="container-fluid text-bg-light">
                     {% include "partials/top-bar.twig" %}
@@ -21,7 +21,7 @@
                     <!-- nav -->
                     <div class="align-items-center justify-content-around bg-body-tertiary d-none d-lg-flex">
                         <div>
-                            <nav class="navbar navbar-expand-lg">
+                            <nav class="navbar navbar-expand-lg" role="navigation" aria-label="Menú principal">
                                 <div class="container-fluid">
                                     <div class="collapse navbar-collapse" id="navbarNavDropdown">
                                         {% include "partials/menu.twig" with {'items': menu.get_items} %}
@@ -50,7 +50,7 @@
 
         <!-- footer -->
         {% block footer %}
-			<footer id="footer" class="container-fluid text-bg-dark mt-5 section-footer">
+			<footer id="footer" class="container-fluid text-bg-dark mt-5 section-footer" role="contentinfo">
 			    {% include 'partials/footer.twig' %}		
 			</footer>
 			{{ function('wp_footer') }}
diff --git a/views/partials/btn-search.twig b/views/partials/btn-search.twig
index 6aa3b13..94307cd 100644
--- a/views/partials/btn-search.twig
+++ b/views/partials/btn-search.twig
@@ -5,7 +5,7 @@
 
     <div class="offcanvas offcanvas-top" tabindex="-1" id="offcanvasTop" aria-labelledby="offcanvasTopLabel" style="max-height: 18vh;">
         <div class="offcanvas-header">
-            <h5 class="offcanvas-title" id="offcanvasTopLabel">Búsqueda</h5>
+            <p class="offcanvas-title fs-4" id="offcanvasTopLabel">Búsqueda</p>
             <button type="button" class="btn-close" data-bs-dismiss="offcanvas" aria-label="Close"></button>
         </div>
         <div class="offcanvas-body">
diff --git a/views/partials/footer.twig b/views/partials/footer.twig
index 6739aa9..4eb3013 100644
--- a/views/partials/footer.twig
+++ b/views/partials/footer.twig
@@ -1,15 +1,21 @@
 <div class="container">
     <div class="row py-4">
         
+        {# logo y rrss #}
         <div class="col-sm-4 mb-1">
-            <div><img src="/wp-content/uploads/2025/07/logobehea.png" class="img-fluid" /></div>
+            {# <div><img src="{{site.url}}/wp-content/uploads/2025/07/logobehea.png" class="img-fluid" alt="logo cnt sindikatua"/></div> #}
+            <div><img src="{{ footer_img }}" class="img-fluid" alt="{{ footer_img_alt }}"/></div>
             <div class="p-1 text-footer">
                 <p>{{ footer_1 }}</p>
                 <p>{{ footer_2 }}</p>
             </div>
             <div class="btn-group m-1" role="group" aria-label="First group">
                 {% for red in redes_sociales %}
-                    <a href="{{ red.url }}" class="btn btn-outline-white pt-1" target="_blank" rel="noopener noreferrer">
+                    <a href="{{ red.url }}" class="btn btn-outline-white pt-1" 
+                        target="_blank" 
+                        rel="noopener noreferrer"
+                        aria-label="Botones redes sociales footer"
+                    >
                         {% if red.imagen %}
                             <img src="{{ red.imagen.url }}" alt="{{ red.imagen.alt }}" class="social-icon svg-white">
                         {% else %}
@@ -21,6 +27,7 @@
             </div>
         </div>
 
+        {# noticias y opinion #}
         <div class="col-sm-5 mb-5 px-2 text-footer">
             
             <h5 class="text-decoration-underline">{{ __('Últimas noticias', 'Sindikatua') }}</h5>
@@ -48,6 +55,8 @@
             {% endfor %}
 
         </div>
+
+        {# contactos #}
         <div class="col-sm-3 text-footer">
 
             {% if listContacts %}
@@ -71,11 +80,12 @@
         </div>
         
     </div>
+    
     <div class="py-2 text-center mt-5 border-top border-light text-footer">
         <p>{{ __('El contenido de esta página web está bajo una licencia Creative Commons Reconocimiento-Compartir Igual 4.0 Internacional excepto aquel en el que se indique una fuente externa.', 'Sindikatua') }}</p>
         <p class="mb-0">&bullet; {{ __('Todos los derechos reservados', 'Sindikatua') }}&bullet; {{"now"|date('Y')}}</p>
-        <a class="nav-link d-inline" href="/aviso-legal">{{ __('Aviso legal', 'Sindikatua') }} &bullet;</a>
-        <a class="nav-link d-inline" href="/politica-privacidad">{{ __('Política de privacidad', 'Sindikatua') }} &bullet;</a>
-        <a class="nav-link d-inline" href="/politica-de-cookies">{{ __('Política de cookies', 'Sindikatua') }}</a>
+        <a class="nav-link d-inline" href="{{site.url}}/aviso-legal">{{ __('Aviso legal', 'Sindikatua') }} &bullet;</a>
+        <a class="nav-link d-inline" href="{{site.url}}/politica-privacidad">{{ __('Política de privacidad', 'Sindikatua') }} &bullet;</a>
+        <a class="nav-link d-inline" href="{{site.url}}/politica-de-cookies">{{ __('Política de cookies', 'Sindikatua') }}</a>
     </div>
 </div>
\ No newline at end of file
diff --git a/views/partials/logos-header.twig b/views/partials/logos-header.twig
index b653cc6..7a3d4bd 100644
--- a/views/partials/logos-header.twig
+++ b/views/partials/logos-header.twig
@@ -7,13 +7,13 @@
                 {# Primera columna #}
                 <div class="col-lg-5 col-12 mb-3 mb-md-0">
                     <div class="d-flex align-items-center justify-content-between">
-                        <a class="navbar-brand d-block" href="{{site.url}}" rel="home">
+                        <a class="navbar-brand d-block" href="{{site.url}}" rel="home" role="banner">
                             <div class="d-flex align-items-center">
                                 <img src="{{ logo.logo.sizes.medium }}"
                                     alt="{{ logo.logo.alt }}"
                                     class="img-fluid me-3"
                                     style="max-height: 100px; flex-shrink: 0;">
-                                <h1 class="mb-0 text-sindikatua text-uppercase">{{ logo.texto }}</h1>
+                                <p class="mb-0 fs-1 text-sindikatua text-uppercase">{{ logo.texto }}</p>
                             </div>
                         </a>
                         <div class="d-block d-lg-none">  
@@ -25,7 +25,7 @@
                 {# Segunda columna #}
                 <div class="col-lg-7 col-12 d-none d-lg-block">
                     <div class="d-flex align-items-center justify-content-center justify-content-md-start h-100">
-                        <a class="navbar-brand d-block" href="{{site.url}}" rel="home">
+                        <a class="navbar-brand d-block" href="{{site.url}}" rel="home" role="banner">
                             <img src="{{ logo.logo.sizes.large }}"
                                 alt="{{ logo.logo.alt }}"
                                 class="img-fluid"
diff --git a/views/partials/menu-burger.twig b/views/partials/menu-burger.twig
index 709d2b7..02c350c 100644
--- a/views/partials/menu-burger.twig
+++ b/views/partials/menu-burger.twig
@@ -1,5 +1,5 @@
 {% if menu %}
-<nav class="navbar justify-content-center menu-burger">
+<nav class="navbar justify-content-center menu-burger" role="navigation" aria-label="Menú lateral responsive">
     {#<a class="navbar-brand" href="#"></a>#}
     <button class="navbar-toggler" type="button" 
 			data-bs-toggle="offcanvas" 
diff --git a/views/partials/pagination-custom.twig b/views/partials/pagination-custom.twig
index b06a754..aaee3ec 100644
--- a/views/partials/pagination-custom.twig
+++ b/views/partials/pagination-custom.twig
@@ -1,5 +1,5 @@
 {% if pagination and pagination.total > 1 %}
-    <nav class="pagination-block d-flex justify-content-center">
+    <nav class="pagination-block d-flex justify-content-center" aria-label="Paginación de artículos">
         <ul class="pagination">
 
             {# First #}
diff --git a/views/partials/section-videos&opinion.twig b/views/partials/section-videos&opinion.twig
index 1765529..8e61c5f 100644
--- a/views/partials/section-videos&opinion.twig
+++ b/views/partials/section-videos&opinion.twig
@@ -3,7 +3,7 @@
 
     {# Primera columna - Carousel con vídeos embebidos #}
     <div class="col-lg-8 col-12 mb-4 mb-lg-0 order-2 order-lg-1 mt-5 mt-lg-0">
-        <h1 class="mb-4 position-relative fs-4 fw-bold sp-module-title">{{ __('Vídeos', 'Sindikatua')|upper }}</h1>
+        <h2 class="mb-4 position-relative fs-4 fw-bold sp-module-title">{{ __('Vídeos', 'Sindikatua')|upper }}</h2>
 
         {% if videos %}
             <div id="videosCarousel" class="carousel slide" data-bs-ride="carousel">
@@ -116,13 +116,13 @@
 
     {# Segunda columna - Último artículo de opinión #}
     <div class="col-lg-4 col-12 opinion-article d-flex flex-column order-1 order-lg-2 ">
-        <h1 class="mb-4 position-relative fs-4 fw-bold sp-module-title">{{ __('Opinión', 'Sindikatua')|upper}}</h1>
+        <h2 class="mb-4 position-relative fs-4 fw-bold sp-module-title">{{ __('Opinión', 'Sindikatua')|upper}}</h2>
 
         <div class="flex-grow-1 d-flex">
             {% if last_posts_opinion and last_posts_opinion|length > 0 %}
                 {% for article in last_posts_opinion %}
                 {% set imagen = article.thumbnail.src('medium') | default('/wp-content/uploads/2025/10/Imagen_por_defecto_300.jpg') %}
-                {% set alt = article.thumbnail.alt | default('Imagen por defecto') %}
+                {% set alt = article.thumbnail.alt | default('Imagen Opinión') %}
 
                     <div class="card w-100 h-100 secondary-article">
                         <a class="h-100" href="{{ article.link }}">
diff --git a/views/partials/top-bar.twig b/views/partials/top-bar.twig
index 680cbf7..265d6dd 100644
--- a/views/partials/top-bar.twig
+++ b/views/partials/top-bar.twig
@@ -9,7 +9,7 @@
             {% for lang in languages %}
                 {% if lang.slug == 'es' or lang.slug == 'cas' %}
                     {# Botón Castellano #}
-                    <a href="{{ lang.url }}" 
+                    <a href="{{ lang.url }}" aria-label="Botón idiomas castellano"
                     class="btn {{ lang.current ? 'btn-dark' : 'btn-outline-dark' }} btn-sm  ms-2"
                     {% if lang.current %}aria-current="page"{% endif %}>
                         <span class="d-inline d-sm-none">CAS</span>
@@ -17,7 +17,7 @@
                     </a>
                 {% elseif lang.slug == 'eu' or lang.slug == 'eus' %}
                     {# Botón Euskera #}
-                    <a href="{{ lang.url }}" 
+                    <a href="{{ lang.url }}" aria-label="Botón idiomas euskera"
                     class="btn {{ lang.current ? 'btn-dark' : 'btn-outline-dark' }} btn-sm ms-2"
                     {% if lang.current %}aria-current="page"{% endif %}>
                         <span class="d-inline d-sm-none">EUS</span>
@@ -40,7 +40,12 @@
 
             <div class="btn-group m-1" role="group" aria-label="First group">
                     {% for red in redes_sociales %}
-                    <a href="{{ red.url }}" class="btn btn-outline-dark btn-sm pt-0" target="_blank" rel="noopener noreferrer">
+                    <a href="{{ red.url }}" 
+                        class="btn btn-outline-dark btn-sm pt-0" 
+                        target="_blank" 
+                        rel="noopener noreferrer"
+                        aria-label="Botones redes sociales cabecera"
+                    >
                         {% if red.imagen %}
                             <img src="{{ red.imagen.url }}" alt="{{ red.imagen.alt }}" class="social-icon pt-1 svg-hover-white">
                         {% else %}
diff --git a/views/templates/page-conflictos-laborales.twig b/views/templates/page-conflictos-laborales.twig
index 96ddb18..9774c9e 100644
--- a/views/templates/page-conflictos-laborales.twig
+++ b/views/templates/page-conflictos-laborales.twig
@@ -23,7 +23,7 @@
                         <div class="col-md-8">
                             <div class="card-body" style="padding-bottom: 60px;">
                                 <a href="{{ noticias.link }}" title="{{ noticias.title }}" class="text-decoration-none card-title">
-                                    <h5 class="fw-bolder hover-title-text">{{ noticias.title }}</h5>
+                                    <h2 class="fw-bolder fs-4 hover-title-text">{{ noticias.title }}</h2>
                                 </a>
       
                                 <p class="card-text"> {{
diff --git a/views/templates/page-industria.twig b/views/templates/page-industria.twig
index 6c7c723..928639e 100644
--- a/views/templates/page-industria.twig
+++ b/views/templates/page-industria.twig
@@ -9,7 +9,7 @@
             {% for subpagIndustria in post.children('page') %}
 
             {% set imagen = subpagIndustria.thumbnail.src | default(imagen_default) %}
-            {% set alt = subpagIndustria.thumbnail.alt | default('Imagen por defecto') %}
+            {% set alt = subpagIndustria.thumbnail.alt | default('Imagen Industria cnt') %}
 
             <div class="card my-3 position-relative posts-noticias">
                 <div class="row g-0">
diff --git a/views/templates/page-noticias.twig b/views/templates/page-noticias.twig
index a6337a0..7fcba90 100644
--- a/views/templates/page-noticias.twig
+++ b/views/templates/page-noticias.twig
@@ -23,7 +23,7 @@
                         <div class="col-md-8">
                             <div class="card-body" style="padding-bottom: 60px;">
                                 <a href="{{ noticias.link }}" title="{{ noticias.title }}" class="text-decoration-none card-title">
-                                    <h5 class="fw-bolder hover-title-text">{{ noticias.title }}</h5>
+                                    <h2 class="fw-bolder fs-4 hover-title-text">{{ noticias.title }}</h2>
                                 </a>
                                 <p class="card-text"> {{
                                         noticias.excerpt({
diff --git a/views/templates/page-opinion.twig b/views/templates/page-opinion.twig
index 41dba9d..8d9c3e4 100644
--- a/views/templates/page-opinion.twig
+++ b/views/templates/page-opinion.twig
@@ -22,7 +22,7 @@
                         <div class="col-md-8">
                             <div class="card-body" style="padding-bottom: 60px;">
                                 <a href="{{ noticias.link }}" title="{{ noticias.title }}" class="text-decoration-none card-title">
-                                    <h5 class="fw-bolder hover-title-text">{{ noticias.title }}</h5>
+                                    <h2 class="fw-bolder fs-4 hover-title-text">{{ noticias.title }}</h2>
                                 </a>
                                 <p class="card-text"> {{
                                         noticias.excerpt({
diff --git a/views/templates/page-portada.twig b/views/templates/page-portada.twig
index 70281ab..5798a0d 100644
--- a/views/templates/page-portada.twig
+++ b/views/templates/page-portada.twig
@@ -3,15 +3,14 @@
 <div class="page-portada">
 
     {# Sección noticias #}
-    {% if lasts_posts_news %}
-
     <section class="recent-posts">
+        {% if lasts_posts_news %}
         <div class="row g-4 mt-3">
             {# Columna izquierda - Artículo principal #}
             <div class="col-md-8">
                 {% set main_article = lasts_posts_news[0] %}
                 {% set imagen = main_article.thumbnail.src | default('/wp-content/uploads/2025/10/Imagen_por_defecto_300.jpg') %}
-                {% set alt = main_article.thumbnail.alt | default('Imagen por defecto') %}
+                {% set alt = main_article.thumbnail.alt | default('Imagen noticias') %}
 
                 <div class="card main-article h-100">
                     <a href="{{ main_article.link }}">
@@ -49,10 +48,10 @@
                 </div>
             </div>
         </div>
+        {% else %}
+            <p>{{ __('No hay artículos', 'Sindikatua') }}</p>
+        {% endif %}
     </section>
-    {% else %}
-        <p>{{ __('No hay artículos', 'Sindikatua') }}</p>
-    {% endif %}
 
     {# Sección vídeos / Opinión #}
     <section class="py-4 margin-50">
@@ -61,7 +60,7 @@
 
     {# Sección Enlaces #}
     <section class="custom-buttons-section margin-50">
-        <h1 class="mb-4 position-relative fs-4 fw-bold sp-module-title">{{ __('Enlaces', 'Sindikatua')|upper }}</h1>
+        <h2 class="mb-4 position-relative fs-4 fw-bold sp-module-title">{{ __('Enlaces', 'Sindikatua')|upper }}</h2>
 
         <div class="row g-3">
             {% if botones_imagen %}
@@ -84,14 +83,18 @@
 
             {# Campañas #}
             <div class="col-12 col-sm-12 col-md-6">
-                <h1 class="mb-4 position-relative fs-4 fw-bold sp-module-title">{{ __('Campañas', 'Sindikatua')|upper }}</h1>
+                <h2 class="mb-4 position-relative fs-4 fw-bold sp-module-title">{{ __('Campañas', 'Sindikatua')|upper }}</h2>
 
                 {% if posts_campana and posts_campana|length > 0 %}
-                    {% set main_article = posts_campana[0] %}
+                {% set main_article = posts_campana[0] %}
+
+                {% set imagen = main_article.thumbnail.src('medium') | default('/wp-content/uploads/2025/10/Imagen_por_defecto.png') %}
+                {% set alt = main_article.thumbnail.alt | default('imagen campañas') %}
+
                     <div class="card main-article">
                         <a href="{{ main_article.link }}">
-                        <img src="{{ main_article.thumbnail.src('medium') }}" 
-                                        alt="{{ main_article.thumbnail.alt }}" 
+                        <img src="{{ imagen }}" 
+                                        alt="{{ alt }}" 
                                         class="card-img card-img-fixed img-noticias" />
                         <div class="card-img-overlay">
                             <h3 class="card-title text-wrap">
@@ -106,13 +109,13 @@
 
             {# conflictos #}
             <div class="col-12 col-sm-12 col-md-6 mt-5 mt-md-0">
-                <h1 class="mb-4 position-relative fs-4 fw-bold sp-module-title">{{ __('Conflictos Laborales', 'Sindikatua')|upper }}</h1>
+                <h2 class="mb-4 position-relative fs-4 fw-bold sp-module-title">{{ __('Conflictos Laborales', 'Sindikatua')|upper }}</h2>
 
                 {% if posts_conflicts and posts_conflicts|length > 0 %}
                 {% set main_article = posts_conflicts[0] %}
 
                 {% set imagen = main_article.thumbnail.src('medium') | default('/wp-content/uploads/2025/10/Imagen_por_defecto.png') %}
-                {% set alt = main_article.thumbnail.alt | default('Imagen por defecto') %}
+                {% set alt = main_article.thumbnail.alt | default('imagen conflictos laborales') %}
 
                     <div class="card main-article">
                         <a href="{{ main_article.link }}">
diff --git a/views/templates/page-servicios.twig b/views/templates/page-servicios.twig
index ac91e95..4a5d942 100644
--- a/views/templates/page-servicios.twig
+++ b/views/templates/page-servicios.twig
@@ -8,7 +8,7 @@
             {% for SubpagServicio in post.children('page') %}
 
             {% set imagen = SubpagServicio.thumbnail.src | default(imagen_default) %}
-            {% set alt = SubpagServicio.thumbnail.alt | default('Imagen por defecto') %}
+            {% set alt = SubpagServicio.thumbnail.alt | default('Imagen servicios cnt') %}
 
             <div class="card my-3 position-relative posts-noticias">
                 <div class="row g-0">
diff --git a/views/templates/page-videos.twig b/views/templates/page-videos.twig
index 79f77dd..9e5837f 100644
--- a/views/templates/page-videos.twig
+++ b/views/templates/page-videos.twig
@@ -42,7 +42,7 @@
                                 
                                 {# Título del vídeo #}
                                 <div class="position-absolute bottom-0 start-0 end-0 bg-dark bg-opacity-75 text-white p-3 rounded">
-                                    <h6 class="mb-0 text-white">{{ video.titulo }}</h6>
+                                    <h2 class="mb-0 fs-6 text-white">{{ video.titulo }}</h2>
                                 </div>
                             </div>
 
diff --git a/views/templates/single.twig b/views/templates/single.twig
index daa64d9..b1f7709 100644
--- a/views/templates/single.twig
+++ b/views/templates/single.twig
@@ -4,15 +4,15 @@
     {# <h1>SINGLE ARTÍCULOS</h1> #}
 
     <div class="container">
-        <article class="post-type-{{ post.type }}" id="post-{{ post.id }}">
-            <!-- <img src="{{ post.thumbnail.src }}" /> -->
-            <p class="my-5 position-relative fs-5 fw-bold sp-module-title">
+        <article class="post-type-{{ post.type }} mt-5" id="post-{{ post.id }}">
+
+            <span class="my-5 position-relative fs-5 fw-bold sp-module-title">
                 {% if post.category %}
                     {{ post.category }}
                 {% else %}
                     {{ post.post_type == 'opinion' ? 'Opinión' : 'Sin categoría' }}
                 {% endif %}
-            </p>
+            </span>
 
             <section class="article-content mt-5 border-dark border-top">