diff --git a/Gemfile b/Gemfile
index aa2d841..4256e30 100644
--- a/Gemfile
+++ b/Gemfile
@@ -53,7 +53,6 @@ gem 'loaf'
 gem 'lockbox'
 gem 'mini_magick'
 gem 'mobility'
-gem 'pg'
 gem 'pundit'
 gem 'rails-i18n'
 gem 'rails_warden'
@@ -69,6 +68,11 @@ gem 'validates_hostname'
 gem 'webpacker'
 gem 'yaml_db', git: 'https://0xacab.org/sutty/yaml_db.git'
 
+# database
+gem 'hairtrigger'
+gem 'pg'
+gem 'pg_search'
+
 # performance
 gem 'flamegraph'
 gem 'memory_profiler'
diff --git a/Gemfile.lock b/Gemfile.lock
index d96f1fe..d99ed49 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -205,6 +205,10 @@ GEM
       ffi (~> 1.0)
     globalid (0.4.2)
       activesupport (>= 4.2.0)
+    hairtrigger (0.2.24)
+      activerecord (>= 5.0, < 7)
+      ruby2ruby (~> 2.4)
+      ruby_parser (~> 3.10)
     haml (5.2.1)
       temple (>= 0.8.0)
       tilt
@@ -366,6 +370,9 @@ GEM
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     pg (1.2.3-x86_64-linux-musl)
+    pg_search (2.3.5)
+      activerecord (>= 5.2)
+      activesupport (>= 5.2)
     popper_js (1.16.0)
     prometheus_exporter (0.7.0)
       webrick
@@ -498,7 +505,12 @@ GEM
     ruby-statistics (2.1.3)
     ruby-vips (2.1.2)
       ffi (~> 1.12)
+    ruby2ruby (2.4.4)
+      ruby_parser (~> 3.1)
+      sexp_processor (~> 4.6)
     ruby_dep (1.5.0)
+    ruby_parser (3.15.1)
+      sexp_processor (~> 4.9)
     rubyzip (2.3.0)
     rugged (1.1.0-x86_64-linux-musl)
     safe_yaml (1.0.6)
@@ -516,6 +528,7 @@ GEM
       childprocess (>= 0.5, < 4.0)
       rubyzip (>= 1.2.2)
     semantic_range (3.0.0)
+    sexp_processor (4.15.2)
     share-to-fediverse-jekyll-theme (0.1.4)
       jekyll (~> 4.0)
       jekyll-data (~> 1.1)
@@ -643,6 +656,7 @@ DEPENDENCIES
   fast_jsonparser
   flamegraph
   friendly_id
+  hairtrigger
   haml-lint
   hamlit-rails
   hiredis
@@ -667,6 +681,7 @@ DEPENDENCIES
   mobility
   net-ssh
   pg
+  pg_search
   prometheus_exporter
   pry
   puma
diff --git a/app/assets/stylesheets/application.scss b/app/assets/stylesheets/application.scss
index 5886a2a..e806a03 100644
--- a/app/assets/stylesheets/application.scss
+++ b/app/assets/stylesheets/application.scss
@@ -21,6 +21,10 @@ $form-feedback-invalid-color: $magenta;
 $form-feedback-icon-valid-color: $black;
 $component-active-bg: $magenta;
 
+$spacers: (
+  2-plus: 0.75rem
+);
+
 @import "bootstrap";
 @import "editor";
 
@@ -210,6 +214,10 @@ svg {
   }
 }
 
+.btn-sm {
+  @extend .badge
+}
+
 .black-bg {
   color: $white;
   background-color: $black;
diff --git a/app/controllers/posts_controller.rb b/app/controllers/posts_controller.rb
index da0b28a..3ef2672 100644
--- a/app/controllers/posts_controller.rb
+++ b/app/controllers/posts_controller.rb
@@ -20,30 +20,22 @@ class PostsController < ApplicationController
   def index
     authorize Post
 
-    @site = find_site
-    @category = params.dig(:category)
-    @layout = params.dig(:layout)
-    @locale = locale
-
     # XXX: Cada vez que cambiamos un Post tocamos el sitio con lo que es
     # más simple saber si hubo cambios.
-    if @category || @layout || stale?([current_usuarie, @site])
-      @posts = @site.posts(lang: locale)
-      @posts = @posts.where(categories: @category) if @category
-      @posts = @posts.where(layout: @layout) if @layout
+    if stale?([current_usuarie, site, filter_params])
+      # Todos los artículos de este sitio para el idioma actual
+      @posts = site.indexed_posts.where(locale: locale)
+      # De este tipo
+      @posts = @posts.where(layout: filter_params[:layout]) if filter_params[:layout]
+      # Que estén dentro de la categoría
+      @posts = @posts.in_category(filter_params[:category]) if filter_params[:category]
+      # Aplicar los parámetros de búsqueda
+      @posts = @posts.search(locale, filter_params[:q]) if filter_params[:q].present?
+      # A los que este usuarie tiene acceso
       @posts = PostPolicy::Scope.new(current_usuarie, @posts).resolve
 
-      @category_name = if uuid?(@category)
-                         @site.posts(lang: locale).find(@category, uuid: true)&.title&.value
-                       else
-                         @category
-                       end
-
       # Filtrar los posts que les invitades no pueden ver
-      @usuarie = @site.usuarie? current_usuarie
-
-      # Orden descendiente por número y luego por fecha
-      @posts.sort_by!(:order, :date).reverse!
+      @usuarie = site.usuarie? current_usuarie
     end
   end
 
@@ -157,6 +149,14 @@ class PostsController < ApplicationController
 
   private
 
+  # Los parámetros de filtros que vamos a mantener en todas las URLs,
+  # solo los que no estén vacíos.
+  #
+  # @return [Hash]
+  def filter_params
+    @filter_params ||= params.permit(:q, :category, :layout).to_h.select { |_, v| v.present? }
+  end
+
   def site
     @site ||= find_site
   end
diff --git a/app/controllers/sites_controller.rb b/app/controllers/sites_controller.rb
index 20ce5ba..bdaa901 100644
--- a/app/controllers/sites_controller.rb
+++ b/app/controllers/sites_controller.rb
@@ -107,7 +107,7 @@ class SitesController < ApplicationController
   def merge
     authorize site
 
-    if site.repository.merge(current_usuarie)
+    if SiteService.new(site: site, usuarie: current_usuarie).merge
       flash[:success] = I18n.t('sites.fetch.merge.success')
     else
       flash[:error] = I18n.t('sites.fetch.merge.error')
diff --git a/app/models/indexed_post.rb b/app/models/indexed_post.rb
new file mode 100644
index 0000000..7f6865f
--- /dev/null
+++ b/app/models/indexed_post.rb
@@ -0,0 +1,46 @@
+# frozen_string_literal: true
+
+# La representación indexable de un artículo
+class IndexedPost < ApplicationRecord
+  include PgSearch::Model
+
+  # La traducción del locale según Sutty al locale según PostgreSQL
+  DICTIONARIES = {
+    es: 'spanish',
+    en: 'english'
+  }.freeze
+
+  # TODO: Los indexed posts tienen que estar scopeados al idioma actual,
+  # no buscar sobre todos
+  pg_search_scope :search,
+                  lambda { |locale, query|
+                    {
+                      against: :content,
+                      query: query,
+                      using: {
+                        tsearch: {
+                          dictionary: IndexedPost.to_dictionary(locale: locale),
+                          tsvector_column: 'indexed_content'
+                        },
+                        trigram: {
+                          word_similarity: true
+                        }
+                      }
+                    }
+                  }
+
+  # Trae los IndexedPost en el orden en que van a terminar en el sitio.
+  default_scope -> { order(order: :desc, created_at: :desc) }
+  scope :in_category, ->(category) { where("front_matter->'categories' ? :category", category: category.to_s) }
+  scope :by_usuarie, ->(usuarie) { where("front_matter->'usuaries' @> :usuarie::jsonb", usuarie: usuarie.to_s) }
+
+  belongs_to :site
+
+  # Convertir locale a direccionario de PG
+  #
+  # @param [String,Symbol]
+  # @return [String]
+  def self.to_dictionary(locale:)
+    DICTIONARIES[locale.to_sym] || 'simple'
+  end
+end
diff --git a/app/models/metadata_array.rb b/app/models/metadata_array.rb
index 5c0b16f..0527ccb 100644
--- a/app/models/metadata_array.rb
+++ b/app/models/metadata_array.rb
@@ -13,6 +13,26 @@ class MetadataArray < MetadataTemplate
     false
   end
 
+  # Solo los datos públicos se indexan, aunque MetadataArray no se cifra
+  # aun, dejamos esto preparado para la posteridad.
+  def indexable?
+    true && !private?
+  end
+
+  def to_s
+    value.join(', ')
+  end
+
+  # Obtiene el valor desde el documento, convirtiéndolo a Array si no lo
+  # era ya, por retrocompabilidad.
+  #
+  # @return [Array]
+  def document_value
+    [super].flatten(1)
+  end
+
+  alias indexable_values value
+
   private
 
   # TODO: Sanitizar otros valores
diff --git a/app/models/metadata_belongs_to.rb b/app/models/metadata_belongs_to.rb
index ee182a5..1438c8d 100644
--- a/app/models/metadata_belongs_to.rb
+++ b/app/models/metadata_belongs_to.rb
@@ -77,6 +77,10 @@ class MetadataBelongsTo < MetadataRelatedPosts
     @related_methods ||= %i[belongs_to belonged_to].freeze
   end
 
+  def indexable_values
+    belongs_to&.title&.value
+  end
+
   private
 
   def post_exists?
diff --git a/app/models/metadata_content.rb b/app/models/metadata_content.rb
index 525f38a..437a0dd 100644
--- a/app/models/metadata_content.rb
+++ b/app/models/metadata_content.rb
@@ -19,6 +19,14 @@ class MetadataContent < MetadataTemplate
     document.content
   end
 
+  def indexable?
+    true && !private?
+  end
+
+  def to_s
+    sanitizer.sanitize value, tags: [], attributes: []
+  end
+
   private
 
   # Detectar si el contenido estaba en Markdown y pasarlo a HTML
diff --git a/app/models/metadata_document_date.rb b/app/models/metadata_document_date.rb
index 7512cbf..324e4be 100644
--- a/app/models/metadata_document_date.rb
+++ b/app/models/metadata_document_date.rb
@@ -7,12 +7,17 @@ class MetadataDocumentDate < MetadataTemplate
     Date.today.to_time
   end
 
-  def value_from_document
+  # @return [Time]
+  def document_value
     return nil if post.new?
 
     document.date
   end
 
+  def indexable?
+    true && !private?
+  end
+
   # Siempre es obligatorio
   def required
     true
@@ -41,10 +46,10 @@ class MetadataDocumentDate < MetadataTemplate
         begin
           Date.iso8601(self[:value]).to_time
         rescue Date::Error
-          value_from_document || default_value
+          document_value || default_value
         end
       else
-        self[:value] || value_from_document || default_value
+        self[:value] || document_value || default_value
       end
   end
 
diff --git a/app/models/metadata_lang.rb b/app/models/metadata_lang.rb
index 5f31ee9..ff6c08e 100644
--- a/app/models/metadata_lang.rb
+++ b/app/models/metadata_lang.rb
@@ -6,12 +6,13 @@ class MetadataLang < MetadataTemplate
     super || I18n.locale
   end
 
-  def value_from_document
+  # @return [Symbol]
+  def document_value
     document.collection.label.to_sym
   end
 
   def value
-    self[:value] ||= value_from_document || default_value
+    self[:value] ||= document_value || default_value
   end
 
   def values
diff --git a/app/models/metadata_markdown_content.rb b/app/models/metadata_markdown_content.rb
index d3cc6de..92a1ab2 100644
--- a/app/models/metadata_markdown_content.rb
+++ b/app/models/metadata_markdown_content.rb
@@ -9,14 +9,15 @@ class MetadataMarkdownContent < MetadataText
   end
 
   def value
-    self[:value] || value_from_document || default_value
+    self[:value] || document_value || default_value
   end
 
   def front_matter?
     false
   end
 
-  def value_from_document
+  # @return [String]
+  def document_value
     document.content
   end
 
diff --git a/app/models/metadata_path.rb b/app/models/metadata_path.rb
index 3c93cca..95fc7db 100644
--- a/app/models/metadata_path.rb
+++ b/app/models/metadata_path.rb
@@ -3,12 +3,16 @@
 # Este campo representa el archivo donde se almacenan los datos
 class MetadataPath < MetadataTemplate
   # :label en este caso es el idioma/colección
+  #
+  # @return [String]
   def default_value
     File.join(site.path, "_#{lang}", "#{date}-#{slug}#{ext}")
   end
 
-  # El valor no vuelve desde el documento
-  def value_from_document
+  # La ruta del archivo según Jekyll
+  #
+  # @return [String]
+  def document_value
     document.path
   end
 
diff --git a/app/models/metadata_related_posts.rb b/app/models/metadata_related_posts.rb
index 855ea73..092f219 100644
--- a/app/models/metadata_related_posts.rb
+++ b/app/models/metadata_related_posts.rb
@@ -18,6 +18,14 @@ class MetadataRelatedPosts < MetadataArray
     false
   end
 
+  def indexable?
+    false
+  end
+
+  def indexable_values
+    posts.where(uuid: value).map(&:title).map(&:value)
+  end
+
   private
 
   # Obtiene todos los posts y opcionalmente los filtra
diff --git a/app/models/metadata_string.rb b/app/models/metadata_string.rb
index ed50bc8..95aac4d 100644
--- a/app/models/metadata_string.rb
+++ b/app/models/metadata_string.rb
@@ -7,6 +7,10 @@ class MetadataString < MetadataTemplate
     super || ''
   end
 
+  def indexable?
+    true && !private?
+  end
+
   private
 
   # No se permite HTML en las strings
diff --git a/app/models/metadata_template.rb b/app/models/metadata_template.rb
index cea4d00..5baa7a4 100644
--- a/app/models/metadata_template.rb
+++ b/app/models/metadata_template.rb
@@ -7,6 +7,11 @@
 MetadataTemplate = Struct.new(:site, :document, :name, :label, :type,
                               :value, :help, :required, :errors, :post,
                               :layout, keyword_init: true) do
+  # Determina si el campo es indexable
+  def indexable?
+    false
+  end
+
   def inspect
     "#<#{self.class} site=#{site.name.inspect} post=#{post.id.inspect} value=#{value.inspect}>"
   end
@@ -44,11 +49,7 @@ MetadataTemplate = Struct.new(:site, :document, :name, :label, :type,
   def value_was
     return @value_was if instance_variable_defined? '@value_was'
 
-    @value_was = value_from_document
-  end
-
-  def value_from_document
-    @value_from_document ||= document.data[name.to_s]
+    @value_was = document_value
   end
 
   def changed?
@@ -80,7 +81,7 @@ MetadataTemplate = Struct.new(:site, :document, :name, :label, :type,
   # Valor actual o por defecto.  Al memoizarlo podemos modificarlo
   # usando otros métodos que el de asignación.
   def value
-    self[:value] ||= if (data = value_from_document).present?
+    self[:value] ||= if (data = document_value).present?
                        private? ? decrypt(data) : data
                      else
                        default_value
diff --git a/app/models/post.rb b/app/models/post.rb
index d6baee8..cab7665 100644
--- a/app/models/post.rb
+++ b/app/models/post.rb
@@ -17,6 +17,12 @@ class Post
 
   attr_reader :attributes, :errors, :layout, :site, :document
 
+  # TODO: Modificar el historial de Git con callbacks en lugar de
+  # services.  De esta forma podríamos agregar soporte para distintos
+  # backends.
+  include ActiveRecord::Callbacks
+  include Post::Indexable
+
   class << self
     # Obtiene el layout sin leer el Document
     #
@@ -194,6 +200,8 @@ class Post
                                           post: self, required: true)
   end
 
+  alias locale lang
+
   # TODO: Mover a method_missing
   def uuid
     @metadata[:uuid] ||= MetadataUuid.new(document: document, site: site, layout: layout, name: :uuid, type: :uuid,
@@ -256,11 +264,17 @@ class Post
   end
 
   # Eliminar el artículo del repositorio y de la lista de artículos del
-  # sitio
+  # sitio.
+  #
+  # TODO: Si el callback falla deberíamos recuperar el archivo.
+  #
+  # @return [Post]
   def destroy
-    FileUtils.rm_f path.absolute
+    run_callbacks :destroy do
+      FileUtils.rm_f path.absolute
 
-    site.delete_post self
+      site.delete_post self
+    end
   end
   alias destroy! destroy
 
@@ -284,8 +298,10 @@ class Post
       end
     end
 
-    return false unless save_attributes!
-    return false unless write
+    run_callbacks :save do
+      return false unless save_attributes!
+      return false unless write
+    end
 
     # Vuelve a leer el post para tomar los cambios
     document.reset
diff --git a/app/models/post/indexable.rb b/app/models/post/indexable.rb
new file mode 100644
index 0000000..7757e7f
--- /dev/null
+++ b/app/models/post/indexable.rb
@@ -0,0 +1,76 @@
+# frozen_string_literal: true
+
+class Post
+  # Vuelve indexables a los Posts
+  module Indexable
+    extend ActiveSupport::Concern
+
+    included do
+      # Indexa o reindexa el Post
+      after_save :index!
+      after_destroy :remove_from_index!
+
+      # Devuelve una versión indexable del Post
+      #
+      # @return [IndexedPost]
+      def to_index
+        IndexedPost.find_or_create_by(id: uuid.value).tap do |indexed_post|
+          indexed_post.layout = layout.name
+          indexed_post.site_id = site.id
+          indexed_post.path = path.basename
+          indexed_post.locale = locale.value
+          indexed_post.dictionary = IndexedPost.to_dictionary(locale: locale.value)
+          indexed_post.title = title.value
+          indexed_post.front_matter = indexable_front_matter
+          indexed_post.content = indexable_content
+          indexed_post.created_at = date.value
+          indexed_post.order = attribute?(:order) ? order.value : 0
+        end
+      end
+
+      private
+
+      # Indexa o reindexa el Post
+      #
+      # @return [Boolean]
+      def index!
+        to_index.save
+      end
+
+      def remove_from_index!
+        to_index.destroy.destroyed?
+      end
+
+      # Los metadatos que se almacenan como objetos JSON.  Empezamos con
+      # las categorías porque se usan para filtrar en el listado de
+      # artículos.
+      #
+      # @return [Hash]
+      def indexable_front_matter
+        {}.tap do |ifm|
+          ifm[:usuaries] = usuaries.map(&:id)
+          ifm[:draft] = attribute?(:draft) ? draft.value : false
+          ifm[:categories] = categories.indexable_values if attribute? :categories
+        end
+      end
+
+      # Devuelve un documento indexable en texto plano
+      #
+      # XXX: No memoizamos para permitir actualizaciones, aunque
+      # probablemente se indexe una sola vez.
+      #
+      # @return [String]
+      def indexable_content
+        indexable_attributes.map do |attr|
+          self[attr].to_s.tr("\n", ' ')
+        end.join("\n").squeeze("\n")
+      end
+
+      def indexable_attributes
+        @indexable_attributes ||= attributes.select do |attr|
+          self[attr].indexable?
+        end
+      end
+    end
+  end
+end
diff --git a/app/models/site.rb b/app/models/site.rb
index 6466384..58f2074 100644
--- a/app/models/site.rb
+++ b/app/models/site.rb
@@ -68,6 +68,9 @@ class Site < ApplicationRecord
   # El sitio en Jekyll
   attr_reader :jekyll
 
+  # XXX: Es importante incluir luego de los callbacks de :load_jekyll
+  include Site::Index
+
   # No permitir HTML en estos atributos
   def title=(title)
     super(title.strip_tags)
diff --git a/app/models/site/index.rb b/app/models/site/index.rb
new file mode 100644
index 0000000..e10fa52
--- /dev/null
+++ b/app/models/site/index.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+# Indexa todos los artículos de un sitio
+#
+# TODO: Hacer opcional
+class Site
+  module Index
+    extend ActiveSupport::Concern
+
+    included do
+      # TODO: Debería ser un Job?
+      after_create :index_posts!
+      has_many :indexed_posts, dependent: :destroy
+
+      def index_posts!
+        Site.transaction do
+          docs.each do |post|
+            post.to_index.save
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/app/policies/post_policy.rb b/app/policies/post_policy.rb
index c22202a..69ecb18 100644
--- a/app/policies/post_policy.rb
+++ b/app/policies/post_policy.rb
@@ -59,9 +59,7 @@ class PostPolicy
     def resolve
       return scope if scope&.first&.site&.usuarie? usuarie
 
-      scope.select do |post|
-        post.usuaries.include? usuarie
-      end
+      scope.by_usuarie(usuarie.id)
     end
   end
 end
diff --git a/app/services/site_service.rb b/app/services/site_service.rb
index 4f3905a..389549c 100644
--- a/app/services/site_service.rb
+++ b/app/services/site_service.rb
@@ -61,6 +61,18 @@ SiteService = Struct.new(:site, :usuarie, :params, keyword_init: true) do
     commit_config(action: :tor)
   end
 
+  # Trae cambios desde la rama remota y reindexa los artículos.
+  #
+  # @return [Boolean]
+  def merge
+    result = site.repository.merge(usuarie)
+
+    # TODO: Implementar callbacks
+    site.try(:index_posts!) if result
+
+    result.present?
+  end
+
   private
 
   # Guarda los cambios de la configuración en el repositorio git
diff --git a/app/views/posts/index.haml b/app/views/posts/index.haml
index 33bb5a7..8b77659 100644
--- a/app/views/posts/index.haml
+++ b/app/views/posts/index.haml
@@ -7,15 +7,13 @@
     %table.mb-3
       - @site.layouts.each do |layout|
         - next if layout.hidden?
-        - filter = params[:layout] == layout.value
         %tr
           %th= layout.humanized_name
-          %td.pl-3= link_to t('posts.add'),
-            new_site_post_path(@site, layout: layout.name),
-            class: 'badge badge-secondary'
-          %td= link_to t(filter ? 'posts.remove_filter' : 'posts.filter'),
-            site_posts_path(@site, layout: (filter ? nil : layout.value)),
-            class: 'badge badge-' + (filter ? 'primary' : 'secondary')
+          %td.pl-3= link_to t('posts.add'), new_site_post_path(@site, layout: layout.value), class: 'btn btn-secondary btn-sm'
+          - if @filter_params[:layout] == layout.name.to_s
+            %td= link_to t('posts.remove_filter'), site_posts_path(@site, **@filter_params.merge(layout: nil)), class: 'btn btn-primary btn-sm'
+          - else
+            %td= link_to t('posts.filter'), site_posts_path(@site, **@filter_params.merge(layout: layout.value)), class: 'btn btn-secondary btn-sm'
 
     - if policy(@site).edit?
       = link_to t('sites.edit.btn', site: @site.title), edit_site_path(@site), class: 'btn'
@@ -41,19 +39,34 @@
 
   %section.col
     = render 'layouts/flash'
+    .d-flex.justify-content-between.align-items-center.pl-2-plus.pr-2-plus.mb-2
+      %form
+        - @filter_params.each do |param, value|
+          - next if param == 'q'
+          %input{ type: 'hidden', name: param, value: value }
+        .form-group.flex-grow-0.m-0
+          %input.form-control.border.border-magenta{ type: 'search', placeholder: 'Buscar', name: 'q', value: @filter_params[:q] }
+          %input.sr-only{ type: 'submit' }
+
+      - if @site.locales.size > 1
+        %nav#locales
+          - @site.locales.each do |locale|
+            = link_to t("locales.#{locale}.name"), site_posts_path(@site, **@filter_params.merge(locale: locale)),
+              class: "mr-2 mt-2 mb-2 #{locale == @locale ? 'active font-weight-bold' : ''}"
+    .pl-2-plus
+      - @filter_params.each do |param, value|
+        - if param == 'layout'
+          - value = @site.layouts[value.to_sym].humanized_name
+        = link_to site_posts_path(@site, **@filter_params.reject { |k, _| k == param }),
+          class: 'btn btn-secondary btn-sm',
+          title: t('posts.remove_filter_help', filter: value),
+          aria: { labelledby: "help-filter-#{param}" } do
+          = value
+          &times;
     - if @posts.empty?
-      %h2= t('posts.none')
+      %h2= t('posts.empty')
     - else
       = form_tag site_posts_reorder_path, method: :post do
-        .d-flex.justify-content-between.align-items-center
-          -#
-            TODO: Pensar una interfaz mejor para cuando haya más de tres
-            idiomas
-          - unless @site.locales.length == 1
-            .locales
-              - @site.locales.each do |locale|
-                = link_to t("locales.#{locale}.name"), site_posts_path(@site, locale: locale),
-                  class: "mr-2 mt-2 mb-2#{locale == @locale ? 'active font-weight-bold' : ''}"
         %table.table{ data: { controller: 'reorder' } }
           %caption.sr-only= t('posts.caption')
           %thead
@@ -69,54 +82,48 @@
                 %button.btn{ data: { action: 'reorder#bottom' } }= t('posts.reorder.bottom')
           %tbody
             - dir = t("locales.#{@locale}.dir")
+            - size = @posts.size
             - @posts.each_with_index do |post, i|
               -#
                 TODO: Solo les usuaries cachean porque tenemos que separar
                 les botones por permisos.
               - cache_if @usuarie, [post, I18n.locale] do
-                - checkbox_id = "checkbox-#{post.uuid.value}"
-                %tr{ id: post.uuid.value, data: { target: 'reorder.row' } }
+                - checkbox_id = "checkbox-#{post.id}"
+                %tr{ id: post.id, data: { target: 'reorder.row' } }
                   %td
                     .custom-control.custom-checkbox
                       %input.custom-control-input{ id: checkbox_id, type: 'checkbox', autocomplete: 'off', data: { action: 'reorder#select' } }
                       %label.custom-control-label{ for: checkbox_id }
                         %span.sr-only= t('posts.reorder.select')
                     -# Orden más alto es mayor prioridad
-                    = hidden_field 'post[reorder]', post.uuid.value,
-                      value: @posts.length - i,
+                    = hidden_field 'post[reorder]', post.id,
+                      value: size - i,
                       data: { reorder: true }
                   %td.w-100{ class: dir }
-                    = link_to site_post_path(@site, post.id) do
-                      %span{ lang: post.lang.value, dir: dir }= post.title.value
-                    - if post.attributes.include? :draft
-                      - if post.draft.value
-                        %span.badge.badge-primary
-                          = post_label_t(:draft, post: post)
-                    - if post.attributes.include? :categories
-                      - unless post.categories.value.empty?
-                        %br
-                        %small
-                          - categories = post.categories.respond_to?(:has_many) ? post.categories.has_many : post.categories.value
-                          - categories.each do |c|
-                            - c.read if c.respond_to? :read
-                            = link_to site_posts_path(@site, category: (c.respond_to?(:uuid) ? c.uuid.value : c)) do
-                              %span{ lang: post.lang.value, dir: dir }= (c.respond_to?(:title) ? c.title.value : c)
-                            - unless categories.last == c
-                              = '/'
+                    = link_to site_post_path(@site, post.path) do
+                      %span{ lang: post.locale, dir: dir }= post.title
+                    - if post.front_matter['draft'].present?
+                      %span.badge.badge-primary= I18n.t('posts.attributes.draft.label')
+                    - if post.front_matter['categories'].present?
+                      %br
+                      %small
+                        - post.front_matter['categories'].each do |category|
+                          = link_to site_posts_path(@site, **@filter_params.merge(category: category)) do
+                            %span{ lang: post.locale, dir: dir }= category
+                          = '/' unless post.front_matter['categories'].last == category
 
                   %td
-                    = post.date.value.strftime('%F')
+                    = post.created_at.strftime('%F')
                     %br/
-                    - if post.attribute? :order
-                      = post.order.value
+                    = post.order
                   %td
                     - if @usuarie || policy(post).edit?
-                      = link_to t('posts.edit'),
-                      edit_site_post_path(@site, post.id),
-                      class: 'btn btn-block'
+                      = link_to t('posts.edit'), edit_site_post_path(@site, post.path), class: 'btn btn-block'
                     - if @usuarie || policy(post).destroy?
-                      = link_to t('posts.destroy'),
-                        site_post_path(@site, post.id),
-                        class: 'btn btn-block',
-                        method: :delete,
-                        data: { confirm: t('posts.confirm_destroy') }
+                      = link_to t('posts.destroy'), site_post_path(@site, post.path), class: 'btn btn-block', method: :delete, data: { confirm: t('posts.confirm_destroy') }
+
+#footnotes{ hidden: true }
+  - @filter_params.each do |param, value|
+    - if param == 'layout'
+      - value = @site.layouts[value.to_sym].humanized_name
+    %label{ id: "help-filter-#{param}" }= t('posts.remove_filter_help', filter: value)
diff --git a/config/environments/test.rb b/config/environments/test.rb
index c58a65c..0550658 100644
--- a/config/environments/test.rb
+++ b/config/environments/test.rb
@@ -69,8 +69,8 @@ Rails.application.configure do
                         error_grouping: true,
                         email: {
                           email_prefix: '',
-                          sender_address: ENV.fetch('DEFAULT_FROM', "noreply@sutty.nl"),
-                          exception_recipients: ENV.fetch('EXCEPTION_TO', "errors@sutty.nl"),
+                          sender_address: ENV.fetch('DEFAULT_FROM', 'noreply@sutty.nl'),
+                          exception_recipients: ENV.fetch('EXCEPTION_TO', 'errors@sutty.nl'),
                           normalize_subject: true
                         }
 end
diff --git a/config/initializers/core_extensions.rb b/config/initializers/core_extensions.rb
index c1e8d65..66d2c92 100644
--- a/config/initializers/core_extensions.rb
+++ b/config/initializers/core_extensions.rb
@@ -102,6 +102,19 @@ module Jekyll
   end
 end
 
+# No aplicar el orden por ranking para poder obtener los artículos en el
+# orden que tendrían en el sitio final.
+module PgSearch
+  ScopeOptions.class_eval do
+    def apply(scope)
+      scope = include_table_aliasing_for_rank(scope)
+      rank_table_alias = scope.pg_search_rank_table_alias(include_counter: true)
+
+      scope.joins(rank_join(rank_table_alias))
+    end
+  end
+end
+
 # JekyllData::Reader del plugin jekyll-data modifica Jekyll::Site#reader
 # para también leer los datos que vienen en el theme.
 module JekyllData
diff --git a/config/locales/en.yml b/config/locales/en.yml
index f1f9b7c..fc194ea 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -376,6 +376,7 @@ en:
     en: 'English'
     ar: 'Arabic'
   posts:
+    empty: "There are no results for those search parameters."
     caption: Post list
     attribute_ro:
       file:
@@ -412,6 +413,8 @@ en:
         destroy: Remove image
       belongs_to:
         empty: "(Empty)"
+      draft:
+        label: Draft
     reorder:
       submit: 'Save order'
       select: 'Select this post'
@@ -430,6 +433,7 @@ en:
     add: 'Add'
     filter: 'Filter'
     remove_filter: 'Back'
+    remove_filter_help: 'Remove the filter: %{filter}'
     categories: 'Everything'
     index: 'Posts'
     edit: 'Edit'
diff --git a/config/locales/es.yml b/config/locales/es.yml
index 1ce50b0..eca7cee 100644
--- a/config/locales/es.yml
+++ b/config/locales/es.yml
@@ -383,6 +383,7 @@ es:
     en: 'inglés'
     ar: 'árabe'
   posts:
+    empty: No hay artículos con estos parámetros de búsqueda.
     caption: Lista de artículos
     attribute_ro:
       file:
@@ -419,6 +420,8 @@ es:
         destroy: 'Eliminar imagen'
       belongs_to:
         empty: "(Vacío)"
+      draft:
+        label: Borrador
     reorder:
       submit: 'Guardar orden'
       select: 'Seleccionar este artículo'
@@ -438,6 +441,7 @@ es:
     add: 'Agregar'
     filter: 'Filtrar'
     remove_filter: 'Volver'
+    remove_filter_help: 'Quitar este filtro: %{filter}'
     index: 'Artículos'
     edit: 'Editar'
     preview:
diff --git a/config/routes.rb b/config/routes.rb
index 766df50..2c5f1c6 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -31,7 +31,8 @@ Rails.application.routes.draw do
   # detectar el nombre del sitio.
   get '/sites/private/:site_id(*file)', to: 'private#show', constraints: { site_id: %r{[^/]+} }
   # Obtener archivos estáticos desde el directorio público
-  get '/sites/:site_id/static_file/(*file)', to: 'sites#static_file', as: 'site_static_file', constraints: { site_id: %r{[^/]+} }
+  get '/sites/:site_id/static_file/(*file)', to: 'sites#static_file', as: 'site_static_file',
+                                             constraints: { site_id: %r{[^/]+} }
   get '/env.js', to: 'env#index'
 
   match '/api/v3/projects/:site_id/notices' => 'api/v1/notices#create', via: %i[post]
diff --git a/db/migrate/20210504224144_create_pg_search_extensions.rb b/db/migrate/20210504224144_create_pg_search_extensions.rb
new file mode 100644
index 0000000..18eebe9
--- /dev/null
+++ b/db/migrate/20210504224144_create_pg_search_extensions.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+# Habilitar las extensiones de búsqueda de texto libre
+class CreatePgSearchExtensions < ActiveRecord::Migration[6.1]
+  def change
+    enable_extension 'plpgsql'
+    enable_extension 'pg_trgm'
+  end
+end
diff --git a/db/migrate/20210504224343_create_indexed_posts.rb b/db/migrate/20210504224343_create_indexed_posts.rb
new file mode 100644
index 0000000..9cf2153
--- /dev/null
+++ b/db/migrate/20210504224343_create_indexed_posts.rb
@@ -0,0 +1,44 @@
+# frozen_string_literal: true
+
+# Crea la tabla donde se indexa el contenido de los artículos, los
+# IndexedPosts van a estar relacionados con un Post del mismo UUID.
+#
+# Solo contienen la información mínima necesaria para mostrar los
+# resultados de búsqueda.
+class CreateIndexedPosts < ActiveRecord::Migration[6.1]
+  def change
+    # Necesario para gen_random_uuid()
+    #
+    # XXX: En realidad no lo necesitamos porque cada IndexedPost va a
+    # tener el UUID del Post correspondiente.
+    enable_extension 'pgcrypto'
+
+    create_table :indexed_posts, id: false do |t|
+      t.primary_key :id, :uuid, default: 'public.gen_random_uuid()'
+      t.belongs_to :site, index: true
+      t.timestamps
+
+      # Filtramos por idioma
+      t.string :locale, default: 'simple', index: true
+      # Vamos a querer filtrar por layout
+      t.string :layout, null: false, index: true
+      # Esta es la ruta al artículo
+      t.string :path, null: false
+      # Queremos mostrar el título por separado
+      t.string :title, default: ''
+      # También vamos a mostrar las categorías
+      t.jsonb :front_matter, default: '{}'
+      t.string :content, default: ''
+      t.tsvector :indexed_content
+
+      t.index :indexed_content, using: 'gin'
+      t.index :front_matter, using: 'gin'
+    end
+
+    # Crea un trigger que actualiza el índice tsvector con el título y
+    # contenido del artículo y su idioma.
+    create_trigger(compatibility: 1).on(:indexed_posts).before(:insert, :update) do
+      "new.indexed_content := to_tsvector(('pg_catalog.' || new.locale)::regconfig, coalesce(new.title, '') || '\n' || coalesce(new.content,''));"
+    end
+  end
+end
diff --git a/db/migrate/20210506212356_add_order_to_indexed_posts.rb b/db/migrate/20210506212356_add_order_to_indexed_posts.rb
new file mode 100644
index 0000000..4b1a9fc
--- /dev/null
+++ b/db/migrate/20210506212356_add_order_to_indexed_posts.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+# Agrega el orden y fecha del post en el post indexado, de forma que los
+# resultados se puedan obtener en el mismo orden.
+class AddOrderToIndexedPosts < ActiveRecord::Migration[6.1]
+  def change
+    add_column :indexed_posts, :order, :integer, default: 0
+  end
+end
diff --git a/db/migrate/20210507221120_add_dictionary_to_indexed_posts.rb b/db/migrate/20210507221120_add_dictionary_to_indexed_posts.rb
new file mode 100644
index 0000000..f79309f
--- /dev/null
+++ b/db/migrate/20210507221120_add_dictionary_to_indexed_posts.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+# Para no estar calculando todo el tiempo el diccionario del idioma,
+# agregamos una columna más.
+class AddDictionaryToIndexedPosts < ActiveRecord::Migration[6.1]
+  LOCALES = {
+    'english' => 'en',
+    'spanish' => 'es'
+  }
+
+  def up
+    add_column :indexed_posts, :dictionary, :string
+
+    create_trigger(compatibility: 1).on(:indexed_posts).before(:insert, :update) do
+      "new.indexed_content := to_tsvector(('pg_catalog.' || new.dictionary)::regconfig, coalesce(new.title, '') || '\n' || coalesce(new.content,''));"
+    end
+
+    IndexedPost.find_each do |post|
+      locale = post.locale
+
+      post.update dictionary: locale, locale: LOCALES[locale]
+    end
+  end
+
+  def down
+    remove_column :indexed_posts, :locale
+    rename_column :indexed_posts, :dictionary, :locale
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index eeb90ac..107e7be 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,16 +10,74 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2021_05_11_211357) do
+ActiveRecord::Schema.define(version: 2021_05_14_165639) do
 
-# Could not dump table "access_logs" because of following StandardError
-#   Unknown type '' for column 'id'
+  # These are extensions that must be enabled in order to support this database
+  enable_extension "pg_trgm"
+  enable_extension "pgcrypto"
+  enable_extension "plpgsql"
+
+  create_table "access_logs", id: :uuid, default: nil, force: :cascade do |t|
+    t.string "host"
+    t.float "msec"
+    t.string "server_protocol"
+    t.string "request_method"
+    t.string "request_completion"
+    t.string "uri"
+    t.string "query_string"
+    t.integer "status"
+    t.string "sent_http_content_type"
+    t.string "sent_http_content_encoding"
+    t.string "sent_http_etag"
+    t.string "sent_http_last_modified"
+    t.string "http_accept"
+    t.string "http_accept_encoding"
+    t.string "http_accept_language"
+    t.string "http_pragma"
+    t.string "http_cache_control"
+    t.string "http_if_none_match"
+    t.string "http_dnt"
+    t.string "http_user_agent"
+    t.string "http_origin"
+    t.float "request_time"
+    t.integer "bytes_sent"
+    t.integer "body_bytes_sent"
+    t.integer "request_length"
+    t.string "http_connection"
+    t.string "pipe"
+    t.integer "connection_requests"
+    t.string "geoip2_data_country_name"
+    t.string "geoip2_data_city_name"
+    t.string "ssl_server_name"
+    t.string "ssl_protocol"
+    t.string "ssl_early_data"
+    t.string "ssl_session_reused"
+    t.string "ssl_curves"
+    t.string "ssl_ciphers"
+    t.string "ssl_cipher"
+    t.string "sent_http_x_xss_protection"
+    t.string "sent_http_x_frame_options"
+    t.string "sent_http_x_content_type_options"
+    t.string "sent_http_strict_transport_security"
+    t.string "nginx_version"
+    t.integer "pid"
+    t.string "remote_user"
+    t.boolean "crawler", default: false
+    t.string "http_referer"
+    t.index ["geoip2_data_city_name"], name: "index_access_logs_on_geoip2_data_city_name"
+    t.index ["geoip2_data_country_name"], name: "index_access_logs_on_geoip2_data_country_name"
+    t.index ["host"], name: "index_access_logs_on_host"
+    t.index ["http_origin"], name: "index_access_logs_on_http_origin"
+    t.index ["http_user_agent"], name: "index_access_logs_on_http_user_agent"
+    t.index ["status"], name: "index_access_logs_on_status"
+    t.index ["uri"], name: "index_access_logs_on_uri"
+  end
 
   create_table "action_text_rich_texts", force: :cascade do |t|
     t.string "name", null: false
     t.text "body"
     t.string "record_type", null: false
-    t.integer "record_id", null: false
+    t.bigint "record_id", null: false
     t.datetime "created_at", precision: 6, null: false
     t.datetime "updated_at", precision: 6, null: false
     t.index ["record_type", "record_id", "name"], name: "index_action_text_rich_texts_uniqueness", unique: true
@@ -28,8 +86,8 @@ ActiveRecord::Schema.define(version: 2021_05_11_211357) do
   create_table "active_storage_attachments", force: :cascade do |t|
     t.string "name", null: false
     t.string "record_type", null: false
-    t.integer "record_id", null: false
-    t.integer "blob_id", null: false
+    t.bigint "record_id", null: false
+    t.bigint "blob_id", null: false
     t.datetime "created_at", null: false
     t.index ["blob_id"], name: "index_active_storage_attachments_on_blob_id"
     t.index ["record_type", "record_id", "name", "blob_id"], name: "index_active_storage_attachments_uniqueness", unique: true
@@ -40,7 +98,7 @@ ActiveRecord::Schema.define(version: 2021_05_11_211357) do
     t.string "filename", null: false
     t.string "content_type"
     t.text "metadata"
-    t.integer "byte_size", null: false
+    t.bigint "byte_size", null: false
     t.string "checksum", null: false
     t.datetime "created_at", null: false
     t.string "service_name", null: false
@@ -53,10 +111,65 @@ ActiveRecord::Schema.define(version: 2021_05_11_211357) do
     t.index ["blob_id", "variation_digest"], name: "index_active_storage_variant_records_uniqueness", unique: true
   end
 
+  create_table "blazer_audits", force: :cascade do |t|
+    t.bigint "user_id"
+    t.bigint "query_id"
+    t.text "statement"
+    t.string "data_source"
+    t.datetime "created_at"
+    t.index ["query_id"], name: "index_blazer_audits_on_query_id"
+    t.index ["user_id"], name: "index_blazer_audits_on_user_id"
+  end
+
+  create_table "blazer_checks", force: :cascade do |t|
+    t.bigint "creator_id"
+    t.bigint "query_id"
+    t.string "state"
+    t.string "schedule"
+    t.text "emails"
+    t.text "slack_channels"
+    t.string "check_type"
+    t.text "message"
+    t.datetime "last_run_at"
+    t.datetime "created_at", precision: 6, null: false
+    t.datetime "updated_at", precision: 6, null: false
+    t.index ["creator_id"], name: "index_blazer_checks_on_creator_id"
+    t.index ["query_id"], name: "index_blazer_checks_on_query_id"
+  end
+
+  create_table "blazer_dashboard_queries", force: :cascade do |t|
+    t.bigint "dashboard_id"
+    t.bigint "query_id"
+    t.integer "position"
+    t.datetime "created_at", precision: 6, null: false
+    t.datetime "updated_at", precision: 6, null: false
+    t.index ["dashboard_id"], name: "index_blazer_dashboard_queries_on_dashboard_id"
+    t.index ["query_id"], name: "index_blazer_dashboard_queries_on_query_id"
+  end
+
+  create_table "blazer_dashboards", force: :cascade do |t|
+    t.bigint "creator_id"
+    t.text "name"
+    t.datetime "created_at", precision: 6, null: false
+    t.datetime "updated_at", precision: 6, null: false
+    t.index ["creator_id"], name: "index_blazer_dashboards_on_creator_id"
+  end
+
+  create_table "blazer_queries", force: :cascade do |t|
+    t.bigint "creator_id"
+    t.string "name"
+    t.text "description"
+    t.text "statement"
+    t.string "data_source"
+    t.datetime "created_at", precision: 6, null: false
+    t.datetime "updated_at", precision: 6, null: false
+    t.index ["creator_id"], name: "index_blazer_queries_on_creator_id"
+  end
+
   create_table "build_stats", force: :cascade do |t|
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
-    t.integer "deploy_id"
+    t.bigint "deploy_id"
     t.bigint "bytes"
     t.float "seconds"
     t.string "action", null: false
@@ -65,13 +178,27 @@ ActiveRecord::Schema.define(version: 2021_05_11_211357) do
     t.index ["deploy_id"], name: "index_build_stats_on_deploy_id"
   end
 
-# Could not dump table "csp_reports" because of following StandardError
-#   Unknown type 'uuid' for column 'id'
+  create_table "csp_reports", id: :uuid, default: nil, force: :cascade do |t|
+    t.datetime "created_at", precision: 6, null: false
+    t.datetime "updated_at", precision: 6, null: false
+    t.string "disposition"
+    t.string "referrer"
+    t.string "blocked_uri"
+    t.string "document_uri"
+    t.string "effective_directive"
+    t.string "original_policy"
+    t.string "script_sample"
+    t.string "status_code"
+    t.string "violated_directive"
+    t.integer "column_number"
+    t.integer "line_number"
+    t.string "source_file"
+  end
 
   create_table "deploys", force: :cascade do |t|
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
-    t.integer "site_id"
+    t.bigint "site_id"
     t.string "type"
     t.text "values"
     t.index ["site_id"], name: "index_deploys_on_site_id"
@@ -91,6 +218,26 @@ ActiveRecord::Schema.define(version: 2021_05_11_211357) do
     t.string "designer_url"
   end
 
+  create_table "indexed_posts", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
+    t.bigint "site_id"
+    t.datetime "created_at", precision: 6, null: false
+    t.datetime "updated_at", precision: 6, null: false
+    t.string "locale", default: "simple"
+    t.string "layout", null: false
+    t.string "path", null: false
+    t.string "title", default: ""
+    t.jsonb "front_matter", default: "{}"
+    t.string "content", default: ""
+    t.tsvector "indexed_content"
+    t.integer "order", default: 0
+    t.string "dictionary"
+    t.index ["front_matter"], name: "index_indexed_posts_on_front_matter", using: :gin
+    t.index ["indexed_content"], name: "index_indexed_posts_on_indexed_content", using: :gin
+    t.index ["layout"], name: "index_indexed_posts_on_layout"
+    t.index ["locale"], name: "index_indexed_posts_on_locale"
+    t.index ["site_id"], name: "index_indexed_posts_on_site_id"
+  end
+
   create_table "licencias", force: :cascade do |t|
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
@@ -104,7 +251,7 @@ ActiveRecord::Schema.define(version: 2021_05_11_211357) do
   create_table "log_entries", force: :cascade do |t|
     t.datetime "created_at", precision: 6, null: false
     t.datetime "updated_at", precision: 6, null: false
-    t.integer "site_id"
+    t.bigint "site_id"
     t.text "text"
     t.boolean "sent", default: false
     t.index ["site_id"], name: "index_log_entries_on_site_id"
@@ -124,7 +271,7 @@ ActiveRecord::Schema.define(version: 2021_05_11_211357) do
     t.string "key", null: false
     t.string "value"
     t.string "translatable_type"
-    t.integer "translatable_id"
+    t.bigint "translatable_id"
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
     t.index ["translatable_id", "translatable_type", "key"], name: "index_mobility_string_translations_on_translatable_attribute"
@@ -137,7 +284,7 @@ ActiveRecord::Schema.define(version: 2021_05_11_211357) do
     t.string "key", null: false
     t.text "value"
     t.string "translatable_type"
-    t.integer "translatable_id"
+    t.bigint "translatable_id"
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
     t.index ["translatable_id", "translatable_type", "key"], name: "index_mobility_text_translations_on_translatable_attribute"
@@ -147,8 +294,8 @@ ActiveRecord::Schema.define(version: 2021_05_11_211357) do
   create_table "roles", force: :cascade do |t|
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
-    t.integer "site_id"
-    t.integer "usuarie_id"
+    t.bigint "site_id"
+    t.bigint "usuarie_id"
     t.string "rol"
     t.boolean "temporal"
     t.index ["site_id", "usuarie_id"], name: "index_roles_on_site_id_and_usuarie_id", unique: true
@@ -160,15 +307,14 @@ ActiveRecord::Schema.define(version: 2021_05_11_211357) do
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
     t.string "name"
-    t.integer "design_id"
-    t.integer "licencia_id"
+    t.bigint "design_id"
+    t.bigint "licencia_id"
     t.string "status", default: "waiting"
     t.text "description"
     t.string "title"
     t.boolean "colaboracion_anonima", default: false
     t.boolean "contact", default: false
     t.string "private_key_ciphertext"
-    t.boolean "invitades", default: false
     t.boolean "acepta_invitades", default: false
     t.string "tienda_api_key_ciphertext", default: ""
     t.string "tienda_url", default: ""
@@ -200,7 +346,7 @@ ActiveRecord::Schema.define(version: 2021_05_11_211357) do
     t.datetime "invitation_accepted_at"
     t.integer "invitation_limit"
     t.string "invited_by_type"
-    t.integer "invited_by_id"
+    t.bigint "invited_by_id"
     t.integer "invitations_count", default: 0
     t.string "lang", default: "es"
     t.index ["confirmation_token"], name: "index_usuaries_on_confirmation_token", unique: true
@@ -208,11 +354,20 @@ ActiveRecord::Schema.define(version: 2021_05_11_211357) do
     t.index ["invitation_token"], name: "index_usuaries_on_invitation_token", unique: true
     t.index ["invitations_count"], name: "index_usuaries_on_invitations_count"
     t.index ["invited_by_id"], name: "index_usuaries_on_invited_by_id"
-    t.index ["invited_by_type", "invited_by_id"], name: "index_usuaries_on_invited_by_type_and_invited_by_id"
+    t.index ["invited_by_type", "invited_by_id"], name: "index_usuaries_on_invited_by"
     t.index ["reset_password_token"], name: "index_usuaries_on_reset_password_token", unique: true
     t.index ["unlock_token"], name: "index_usuaries_on_unlock_token", unique: true
   end
 
   add_foreign_key "active_storage_attachments", "active_storage_blobs", column: "blob_id"
   add_foreign_key "active_storage_variant_records", "active_storage_blobs", column: "blob_id"
+  create_trigger("indexed_posts_before_insert_update_row_tr", :compatibility => 1).
+      on("indexed_posts").
+      before(:insert, :update) do
+    <<-SQL_ACTIONS
+new.indexed_content := to_tsvector(('pg_catalog.' || new.dictionary)::regconfig, coalesce(new.title, '') || '
+' || coalesce(new.content,''));
+    SQL_ACTIONS
+  end
+
 end
diff --git a/test/jobs/backtrace_job_test.rb b/test/jobs/backtrace_job_test.rb
index 89c6860..e006180 100644
--- a/test/jobs/backtrace_job_test.rb
+++ b/test/jobs/backtrace_job_test.rb
@@ -19,87 +19,87 @@ class DeployJobTest < ActiveSupport::TestCase
   # setTimeout(() => { throw('Prueba') }, 1000)
   def notice
     @notice ||= {
-      "errors" => [
+      'errors' => [
         {
-          "type" => "",
-          "message" => "Prueba",
-          "backtrace" => [
+          'type' => '',
+          'message' => 'Prueba',
+          'backtrace' => [
             {
-              "function" => "pt</e.prototype.notify",
-              "file" => "https://tintalimon.com.ar/assets/js/pack.js",
-              "line" => 89,
-              "column" => 74094
+              'function' => 'pt</e.prototype.notify',
+              'file' => 'https://tintalimon.com.ar/assets/js/pack.js',
+              'line' => 89,
+              'column' => 74_094
             },
             {
-              "function" => "pt</e.prototype.onerror",
-              "file" => "https://tintalimon.com.ar/assets/js/pack.js",
-              "line" => 89,
-              "column" => 74731
+              'function' => 'pt</e.prototype.onerror',
+              'file' => 'https://tintalimon.com.ar/assets/js/pack.js',
+              'line' => 89,
+              'column' => 74_731
             },
             {
-              "function" => "pt</e.prototype._instrument/window.onerror",
-              "file" => "https://tintalimon.com.ar/assets/js/pack.js",
-              "line" => 89,
-              "column" => 71925
+              'function' => 'pt</e.prototype._instrument/window.onerror',
+              'file' => 'https://tintalimon.com.ar/assets/js/pack.js',
+              'line' => 89,
+              'column' => 71_925
             },
             {
-              "function" => "setTimeout handler*",
-              "file" => "debugger eval code",
-              "line" => 1,
-              "column" => 11
+              'function' => 'setTimeout handler*',
+              'file' => 'debugger eval code',
+              'line' => 1,
+              'column' => 11
             }
           ]
         }
       ],
-      "context" => {
-        "severity" => "error",
-        "history" => [
+      'context' => {
+        'severity' => 'error',
+        'history' => [
           {
-            "type" => "error",
-            "target" => "html. > head. > script.[type=\"text/javascript\"][src=\"//stats.habitapp.org/piwik.js\"]",
-            "date" => "2021-04-26T22:06:58.390Z"
+            'type' => 'error',
+            'target' => 'html. > head. > script.[type="text/javascript"][src="//stats.habitapp.org/piwik.js"]',
+            'date' => '2021-04-26T22:06:58.390Z'
           },
           {
-            "type" => "DOMContentLoaded",
-            "target" => "[object HTMLDocument]",
-            "date" => "2021-04-26T22:06:58.510Z"
+            'type' => 'DOMContentLoaded',
+            'target' => '[object HTMLDocument]',
+            'date' => '2021-04-26T22:06:58.510Z'
           },
           {
-            "type" => "load",
-            "target" => "[object HTMLDocument]",
-            "date" => "2021-04-26T22:06:58.845Z"
+            'type' => 'load',
+            'target' => '[object HTMLDocument]',
+            'date' => '2021-04-26T22:06:58.845Z'
           },
           {
-            "type" => "xhr",
-            "date" => "2021-04-26T22:06:58.343Z",
-            "method" => "GET",
-            "url" => "assets/data/site.json",
-            "statusCode" => 200,
-            "duration" => 506
+            'type' => 'xhr',
+            'date' => '2021-04-26T22:06:58.343Z',
+            'method' => 'GET',
+            'url' => 'assets/data/site.json',
+            'statusCode' => 200,
+            'duration' => 506
           },
           {
-            "type" => "xhr",
-            "date" => "2021-04-26T22:06:58.886Z",
-            "method" => "GET",
-            "url" => "assets/templates/cart.html",
-            "statusCode" => 200,
-            "duration" => 591
+            'type' => 'xhr',
+            'date' => '2021-04-26T22:06:58.886Z',
+            'method' => 'GET',
+            'url' => 'assets/templates/cart.html',
+            'statusCode' => 200,
+            'duration' => 591
           }
         ],
-        "windowError" => true,
-        "notifier" => {
-          "name" => "airbrake-js/browser",
-          "version" => "1.4.2",
-          "url" => "https://github.com/airbrake/airbrake-js/tree/master/packages/browser"
+        'windowError' => true,
+        'notifier' => {
+          'name' => 'airbrake-js/browser',
+          'version' => '1.4.2',
+          'url' => 'https://github.com/airbrake/airbrake-js/tree/master/packages/browser'
         },
-        "userAgent" => "Mozilla/5.0 (Windows NT 6.1; rv:85.0) Gecko/20100101 Firefox/85.0",
-        "url" => "https://tintalimon.com.ar/carrito/",
-        "rootDirectory" => "https://tintalimon.com.ar",
-        "language" => "JavaScript"
+        'userAgent' => 'Mozilla/5.0 (Windows NT 6.1; rv:85.0) Gecko/20100101 Firefox/85.0',
+        'url' => 'https://tintalimon.com.ar/carrito/',
+        'rootDirectory' => 'https://tintalimon.com.ar',
+        'language' => 'JavaScript'
       },
-      "params" => {},
-      "environment" => {},
-      "session" => {}
+      'params' => {},
+      'environment' => {},
+      'session' => {}
     }
 
     # XXX: Siempre devolvemos un duplicado porque BacktraceJob lo
@@ -120,8 +120,8 @@ class DeployJobTest < ActiveSupport::TestCase
     email = ActionMailer::Base.deliveries.first
 
     assert email
-    assert_equal " (BacktraceJob::BacktraceException) \"tintalimon.com.ar: Prueba\"", email.subject
-    assert (%r{webpack://} =~ email.body.to_s)
+    assert_equal ' (BacktraceJob::BacktraceException) "tintalimon.com.ar: Prueba"', email.subject
+    assert(%r{webpack://} =~ email.body.to_s)
   end
 
   test 'los errores se basan en un sitio' do
diff --git a/test/models/indexed_post_test.rb b/test/models/indexed_post_test.rb
new file mode 100644
index 0000000..27d4e29
--- /dev/null
+++ b/test/models/indexed_post_test.rb
@@ -0,0 +1,35 @@
+# frozen_string_literal: true
+
+require 'test_helper'
+
+class IndexedPostTest < ActiveSupport::TestCase
+  def site
+    @site ||= create :site
+  end
+
+  teardown do
+    @site&.destroy
+  end
+
+  test 'se pueden convertir los diccionarios' do
+    IndexedPost::DICTIONARIES.each do |locale, dict|
+      assert_equal dict, IndexedPost.to_dictionary(locale: locale)
+    end
+  end
+
+  test 'se pueden buscar por categoría' do
+    assert(post = site.posts.create(title: SecureRandom.hex, description: SecureRandom.hex,
+                                    categories: [SecureRandom.hex, SecureRandom.hex]))
+    assert_not_empty site.indexed_posts.in_category(post.categories.value.sample)
+  end
+
+  test 'se pueden encontrar por usuarie' do
+    usuarie = create :usuarie
+    assert(post = site.posts.create(title: SecureRandom.hex, description: SecureRandom.hex))
+
+    post.usuaries << usuarie
+    post.save
+
+    assert_not_empty site.indexed_posts.by_usuarie(usuarie.id)
+  end
+end
diff --git a/test/models/post/indexable_test.rb b/test/models/post/indexable_test.rb
new file mode 100644
index 0000000..6110bcf
--- /dev/null
+++ b/test/models/post/indexable_test.rb
@@ -0,0 +1,45 @@
+# frozen_string_literal: true
+
+require 'test_helper'
+
+class Post::IndexableTest < ActiveSupport::TestCase
+  setup do
+    @site = create :site
+  end
+
+  teardown do
+    @site&.destroy
+  end
+
+  test 'los posts se indexan apenas se crean' do
+    post = @site.posts.create(title: SecureRandom.hex, description: SecureRandom.hex)
+    indexed_post = @site.indexed_posts.find_by_title post.title.value
+
+    assert indexed_post
+    assert_equal post.locale.value.to_s, indexed_post.locale
+    assert_equal post.order.value, indexed_post.order
+    assert_equal post.path.basename, indexed_post.path
+    assert_equal post.layout.name.to_s, indexed_post.layout
+  end
+
+  test 'se pueden encontrar posts' do
+    post = @site.posts.sample
+
+    assert @site.indexed_posts.where(locale: post.lang.value).search(post.lang.value, post.title.value)
+    assert @site.indexed_posts.where(locale: post.lang.value).search(post.lang.value, post.description.value)
+  end
+
+  test 'se pueden actualizar posts' do
+    post = @site.posts.sample
+    post.description.value = SecureRandom.hex
+
+    assert post.save
+    assert @site.indexed_posts.where(locale: post.lang.value).search(post.lang.value, post.description.value)
+  end
+
+  test 'al borrar el post se borra el indice' do
+    post = @site.posts.sample
+    assert post.destroy
+    assert_not @site.indexed_posts.find_by_id(post.uuid.value)
+  end
+end