diff --git a/app/controllers/posts_controller.rb b/app/controllers/posts_controller.rb
index a4b47a1..57c6348 100644
--- a/app/controllers/posts_controller.rb
+++ b/app/controllers/posts_controller.rb
@@ -7,6 +7,11 @@ class PostsController < ApplicationController
 
   before_action :authenticate_usuarie!
 
+  # TODO: Traer los comunes desde ApplicationController
+  breadcrumb -> { current_usuarie.email }, :edit_usuarie_registration_path
+  breadcrumb 'sites.index', :sites_path, match: :exact
+  breadcrumb -> { site.title }, -> { site_posts_path(site, locale: locale) }, match: :exact
+
   # Las URLs siempre llevan el idioma actual o el de le usuarie
   def default_url_options
     { locale: params[:locale] || current_usuarie&.lang || I18n.locale }
@@ -43,44 +48,34 @@ class PostsController < ApplicationController
   end
 
   def show
-    @site = find_site
-    @post = @site.posts(lang: locale).find params[:id]
-
-    authorize @post
-    @locale = locale
-
-    fresh_when @post
+    authorize post
+    breadcrumb post.title.value, ''
+    fresh_when post
   end
 
   # Genera una previsualización del artículo.
-  #
-  # TODO: No todos los artículos tienen previsualización!
   def preview
-    @site = find_site
-    @post = @site.posts(lang: locale).find params[:post_id]
+    authorize post
 
-    authorize @post
-
-    render html: @post.render
+    render html: post.render
   end
 
   def new
     authorize Post
-    @site = find_site
-    @post = @site.posts.build(lang: locale, layout: params[:layout])
-    @locale = locale
+    @post = site.posts.build(lang: locale, layout: params[:layout])
+
+    breadcrumb I18n.t('loaf.breadcrumbs.posts.new', layout: @post.layout.humanized_name.downcase), ''
   end
 
   def create
     authorize Post
-    @site = find_site
-    service = PostService.new(site: @site,
+    service = PostService.new(site: site,
                               usuarie: current_usuarie,
                               params: params)
     @post = service.create
 
     if @post.persisted?
-      @site.touch
+      site.touch
       forget_content
 
       redirect_to site_post_path(@site, @post)
@@ -96,6 +91,7 @@ class PostsController < ApplicationController
     authorize @post
 
     @locale = locale
+    breadcrumb @post.title.value, site_post_path(@site, @post, locale: locale), match: :exact
   end
 
   def update
diff --git a/app/controllers/sites_controller.rb b/app/controllers/sites_controller.rb
index d7d2f9f..f3114d9 100644
--- a/app/controllers/sites_controller.rb
+++ b/app/controllers/sites_controller.rb
@@ -7,6 +7,9 @@ class SitesController < ApplicationController
 
   before_action :authenticate_usuarie!
 
+  breadcrumb -> { current_usuarie.email }, :edit_usuarie_registration_path
+  breadcrumb 'sites.index', :sites_path, match: :exact
+
   # Ver un listado de sitios
   def index
     authorize Site
@@ -24,6 +27,8 @@ class SitesController < ApplicationController
   end
 
   def new
+    breadcrumb 'sites.new', :new_site_path
+
     @site = Site.new
     authorize @site
 
@@ -43,6 +48,10 @@ class SitesController < ApplicationController
 
   def edit
     authorize site
+
+    breadcrumb site.title, site_posts_path(site), match: :exact
+    breadcrumb 'sites.edit', site_path(site)
+
     SiteService.new(site: site).build_deploys
   end
 
diff --git a/app/controllers/usuaries_controller.rb b/app/controllers/usuaries_controller.rb
index 71deee9..fdfa66a 100644
--- a/app/controllers/usuaries_controller.rb
+++ b/app/controllers/usuaries_controller.rb
@@ -7,12 +7,19 @@ class UsuariesController < ApplicationController
   include Pundit
   before_action :authenticate_usuarie!
 
+  # TODO: Traer los comunes desde ApplicationController
+  breadcrumb -> { current_usuarie.email }, :edit_usuarie_registration_path
+  breadcrumb 'sites.index', :sites_path, match: :exact
+  breadcrumb -> { site.title }, -> { site_posts_path(site, locale: locale) }, match: :exact
+
   # Mostrar todes les usuaries e invitades de un sitio
   def index
     @site = find_site
     site_usuarie = SiteUsuarie.new(@site, current_usuarie)
     authorize site_usuarie
 
+    breadcrumb 'usuaries.index', ''
+
     @policy = policy(site_usuarie)
   end