diff --git a/Dockerfile b/Dockerfile
index bc7b0be..789f355 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -63,7 +63,9 @@ COPY --chown=app:www-data ./public/packs-production ./public/packs
 # assets ya están pre-compilados.
 RUN sed -re "/(sassc|uglifier|bootstrap|coffee-rails)/d" -i Gemfile
 RUN bundle clean
-RUN rm -rf ./node_modules ./tmp/cache ./.git
+RUN rm -rf ./node_modules ./tmp/cache ./.git ./test ./doc
+# Eliminar archivos innecesarios
+RUN find /srv/http/vendor/ruby/2.7.0/ -maxdepth 3 -type d -name test -o -name spec -o name rubocop | xargs -r rm -rf
 
 # Contenedor final
 FROM sutty/monit:latest
diff --git a/Gemfile b/Gemfile
index df6bd4a..f5a211b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -48,7 +48,8 @@ gem 'hiredis'
 gem 'image_processing'
 gem 'icalendar'
 gem 'inline_svg'
-gem 'jekyll'
+gem 'jekyll', git: 'https://0xacab.org/sutty/jekyll/jekyll.git',
+              branch: 'master'
 gem 'jekyll-data', require: 'jekyll-data',
                    git: 'https://0xacab.org/sutty/jekyll/jekyll-data.git'
 gem 'lockbox'
diff --git a/Gemfile.lock b/Gemfile.lock
index 09be6cc..cd83cac 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -5,6 +5,27 @@ GIT
     jekyll-data (1.1.0)
       jekyll (>= 3.3, < 5.0.0)
 
+GIT
+  remote: https://0xacab.org/sutty/jekyll/jekyll.git
+  revision: 7aff6e245eae2ddbf081567f1ebaa8458d73079d
+  branch: master
+  specs:
+    jekyll (4.1.1)
+      addressable (~> 2.4)
+      colorator (~> 1.0)
+      em-websocket (~> 0.5)
+      i18n (~> 1.0)
+      jekyll-sass-converter (~> 2.0)
+      jekyll-watch (~> 2.0)
+      kramdown (~> 2.3)
+      kramdown-parser-gfm (~> 1.0)
+      liquid (~> 4.0)
+      mercenary (~> 0.4.0)
+      pathutil (~> 0.9)
+      rouge (~> 3.0)
+      safe_yaml (~> 1.0)
+      terminal-table (~> 1.8)
+
 GIT
   remote: https://0xacab.org/sutty/yaml_db.git
   revision: 40e44c29ce4290dfe4013ff4fce1be5a936fedf4
@@ -214,21 +235,6 @@ GEM
       nokogiri (>= 1.6)
     jbuilder (2.10.1)
       activesupport (>= 5.0.0)
-    jekyll (4.1.1)
-      addressable (~> 2.4)
-      colorator (~> 1.0)
-      em-websocket (~> 0.5)
-      i18n (~> 1.0)
-      jekyll-sass-converter (~> 2.0)
-      jekyll-watch (~> 2.0)
-      kramdown (~> 2.1)
-      kramdown-parser-gfm (~> 1.0)
-      liquid (~> 4.0)
-      mercenary (~> 0.4.0)
-      pathutil (~> 0.9)
-      rouge (~> 3.0)
-      safe_yaml (~> 1.0)
-      terminal-table (~> 1.8)
     jekyll-feed (0.15.0)
       jekyll (>= 3.7, < 5.0)
     jekyll-images (0.2.7)
@@ -578,7 +584,7 @@ DEPENDENCIES
   image_processing
   inline_svg
   jbuilder (~> 2.5)
-  jekyll
+  jekyll!
   jekyll-data!
   letter_opener
   listen (>= 3.0.5, < 3.2)
diff --git a/app/controllers/api/v1/protected_controller.rb b/app/controllers/api/v1/protected_controller.rb
index b4e4db5..4e49f3a 100644
--- a/app/controllers/api/v1/protected_controller.rb
+++ b/app/controllers/api/v1/protected_controller.rb
@@ -50,7 +50,7 @@ module Api
       # puede ser que haya tardado más de media hora en enviar el
       # formulario.
       def cookie_is_valid?
-        return if (site_cookie.try(:[], 'expires') || 0) > Time.now.to_i
+        return if (site_cookie&.dig('expires') || 0) > Time.now.to_i
 
         @reason = 'expired_or_invalid_cookie'
         render plain: Rails.env.production? ? nil : @reason, status: :precondition_required
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 6786491..abf1229 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -13,7 +13,7 @@ class ApplicationController < ActionController::Base
   rescue_from ActionController::RoutingError, with: :page_not_found
 
   before_action do
-    Rack::MiniProfiler.authorize_request if current_usuarie.try(:ends_with?, '@' + ENV.fetch('SUTTY', 'sutty.nl'))
+    Rack::MiniProfiler.authorize_request if current_usuarie&.email&.ends_with?('@' + ENV.fetch('SUTTY', 'sutty.nl'))
   end
 
   # No tenemos índice de sutty, vamos directamente a ver el listado de
@@ -45,7 +45,7 @@ class ApplicationController < ActionController::Base
   # corresponde con el idioma de los artículos, porque puede querer
   # traducirlos.
   def set_locale(&action)
-    I18n.with_locale(current_usuarie.try(:lang) || I18n.default_locale, &action)
+    I18n.with_locale(current_usuarie&.lang || I18n.default_locale, &action)
   end
 
   # Muestra una página 404
diff --git a/app/controllers/posts_controller.rb b/app/controllers/posts_controller.rb
index 395a85d..ecf5af8 100644
--- a/app/controllers/posts_controller.rb
+++ b/app/controllers/posts_controller.rb
@@ -9,7 +9,7 @@ class PostsController < ApplicationController
 
   # Las URLs siempre llevan el idioma actual o el de le usuarie
   def default_url_options
-    { locale: params[:locale] || current_usuarie.try(:lang) || I18n.locale }
+    { locale: params[:locale] || current_usuarie&.lang || I18n.locale }
   end
 
   def index
@@ -145,7 +145,7 @@ class PostsController < ApplicationController
   # solicite a le usuarie crear el nuevo idioma y que esto lo agregue al
   # _config.yml del sitio en lugar de mezclar idiomas.
   def locale
-    @site.try(:locales).try(:find, -> { I18n.locale.to_s }) do |l|
+    @site&.locales&.find(-> { I18n.locale.to_s }) do |l|
       l == params[:locale]
     end
   end
diff --git a/app/models/deploy.rb b/app/models/deploy.rb
index a5dd153..98e6d0a 100644
--- a/app/models/deploy.rb
+++ b/app/models/deploy.rb
@@ -65,7 +65,7 @@ class Deploy < ApplicationRecord
     stat.bytes = size
     stat.save
 
-    r.try :success?
+    r&.success?
   end
   # rubocop:enable Metrics/MethodLength
 end
diff --git a/app/models/metadata_factory.rb b/app/models/metadata_factory.rb
index d7a2e03..8cac1c8 100644
--- a/app/models/metadata_factory.rb
+++ b/app/models/metadata_factory.rb
@@ -3,6 +3,8 @@
 # Devuelve metadatos de cierto tipo
 class MetadataFactory
   def self.build(**args)
-    "Metadata#{args[:type].camelcase}".constantize.new(args)
+    @@factory_cache ||= {}
+    @@factory_cache[args[:type]] ||= ('Metadata' + args[:type].to_s.camelcase).constantize
+    @@factory_cache[args[:type]].new(args)
   end
 end
diff --git a/app/models/metadata_path.rb b/app/models/metadata_path.rb
index 7f38692..5dc25c8 100644
--- a/app/models/metadata_path.rb
+++ b/app/models/metadata_path.rb
@@ -8,7 +8,8 @@ class MetadataPath < MetadataTemplate
   end
 
   def value
-    default_value
+    @value_was ||= default_value
+    self[:value] = default_value
   end
   alias absolute value
   alias to_s value
diff --git a/app/models/metadata_related_posts.rb b/app/models/metadata_related_posts.rb
index 5b73857..e38538a 100644
--- a/app/models/metadata_related_posts.rb
+++ b/app/models/metadata_related_posts.rb
@@ -23,12 +23,12 @@ class MetadataRelatedPosts < MetadataArray
   end
 
   def title(post)
-    post.try(:title).try(:value) || post.try(:slug).try(:value)
+    post&.title&.value || post&.slug&.value
   end
 
   # TODO: Traer el idioma actual de otra forma
   def lang
-    post.try(:lang).try(:value) || I18n.locale
+    post&.lang&.value || I18n.locale
   end
 
   # Encuentra el filtro
diff --git a/app/models/metadata_slug.rb b/app/models/metadata_slug.rb
index 7798c7c..1f12475 100644
--- a/app/models/metadata_slug.rb
+++ b/app/models/metadata_slug.rb
@@ -40,6 +40,6 @@ class MetadataSlug < MetadataTemplate
 
   # Devuelve el título a menos que sea privado y no esté vacío
   def title
-    post.title.try(:value).try(:to_s) unless post.title.private? && !post.title.try(:value).try(:blank?)
+    post.title&.value&.to_s unless post.title.private? && !post.title&.value&.blank?
   end
 end
diff --git a/app/models/metadata_template.rb b/app/models/metadata_template.rb
index 81ee17f..521a02a 100644
--- a/app/models/metadata_template.rb
+++ b/app/models/metadata_template.rb
@@ -10,6 +10,17 @@ MetadataTemplate = Struct.new(:site, :document, :name, :label, :type,
                               :layout, keyword_init: true) do
   include ActionText::ContentHelper
 
+  attr_reader :value_was
+
+  def value=(new_value)
+    @value_was = value
+    self[:value] = new_value
+  end
+
+  def changed?
+    !value_was.nil? && value_was != value
+  end
+
   # El valor por defecto
   def default_value
     raise NotImplementedError
@@ -18,7 +29,7 @@ MetadataTemplate = Struct.new(:site, :document, :name, :label, :type,
   # Valores posibles, busca todos los valores actuales en otros
   # artículos del mismo sitio
   def values
-    site.everything_of(name, lang: post.try(:lang).try(:value))
+    site.everything_of(name, lang: post&.lang&.value)
   end
 
   # Valor actual o por defecto.  Al memoizarlo podemos modificarlo
diff --git a/app/models/post.rb b/app/models/post.rb
index affec14..4a80cab 100644
--- a/app/models/post.rb
+++ b/app/models/post.rb
@@ -11,15 +11,15 @@ class Post < OpenStruct
   # Otros atributos que no vienen en los metadatos
   PRIVATE_ATTRIBUTES = %i[path slug attributes errors].freeze
   PUBLIC_ATTRIBUTES = %i[lang date uuid].freeze
+  ATTR_SUFFIXES = %w[? =].freeze
 
   class << self
     # Obtiene el layout sin leer el Document
     #
     # TODO: Reemplazar cuando leamos el contenido del Document
     # a demanda?
-    def find_layout(doc)
-      IO.foreach(doc.path).lazy.grep(/^layout: /).take(1).first
-        .try(:split, ' ').try(:last).try(:to_sym)
+    def find_layout(path)
+      IO.foreach(path).lazy.grep(/^layout: /).take(1).first&.split(' ')&.last&.to_sym
     end
   end
 
@@ -118,10 +118,6 @@ class Post < OpenStruct
                                   method: mid)
     end
 
-    # Definir los attribute_*
-    new_attribute_was(name)
-    new_attribute_changed(name)
-
     # OpenStruct
     super(mid, *args)
 
@@ -194,7 +190,7 @@ class Post < OpenStruct
   def save(validate: true)
     return false if validate && !valid?
     # Salir si tenemos que cambiar el nombre del archivo y no pudimos
-    return false if !new? && path_changed? && !update_path!
+    return false if !new? && path.changed? && !update_path!
     return false unless save_attributes!
     return false unless write
 
@@ -226,7 +222,7 @@ class Post < OpenStruct
   # existe el destino
   def update_path!
     !File.exist?(path.absolute) &&
-      FileUtils.mv(path_was, path.absolute) &&
+      FileUtils.mv(path.value_was, path.absolute) &&
       document.path = path.absolute
   end
 
@@ -300,38 +296,11 @@ class Post < OpenStruct
     document.data.fetch('usuaries', [])
   end
 
-  def new_attribute_was(method)
-    attr_was = "#{method}_was".to_sym
-    return attr_was if singleton_class.method_defined? attr_was
-
-    define_singleton_method(attr_was) do
-      name = attribute_name(attr_was)
-      if document.respond_to?(name)
-        document.send(name)
-      else
-        document.data[name.to_s]
-      end
-    end
-  end
-
-  # Pregunta si el atributo cambió
-  def new_attribute_changed(method)
-    attr_changed = "#{method}_changed?".to_sym
-
-    return attr_changed if singleton_class.method_defined? attr_changed
-
-    define_singleton_method(attr_changed) do
-      name = attribute_name(attr_changed)
-      name_was = (name.to_s + '_was').to_sym
-
-      (send(name).try(:value) || send(name)) != send(name_was)
-    end
-  end
-
   # Obtiene el nombre del atributo a partir del nombre del método
   def attribute_name(attr)
     # XXX: Los simbolos van al final
-    %w[_was _changed? ? =].reduce(attr.to_s) do |a, suffix|
+    @attribute_name_cache ||= {}
+    @attribute_name_cache[attr] ||= ATTR_SUFFIXES.reduce(attr.to_s) do |a, suffix|
       a.chomp suffix
     end.to_sym
   end
diff --git a/app/models/post/template_field.rb b/app/models/post/template_field.rb
index 8b4b692..08da933 100644
--- a/app/models/post/template_field.rb
+++ b/app/models/post/template_field.rb
@@ -305,7 +305,7 @@ class Post
 
       # Procesamos el valor, buscando : como separador de campos que
       # queremos encontrar y luego los unimos
-      _value = (values.try(:split, ':', 2) || []).map do |v|
+      _value = (values&.split(':', 2) || []).map do |v|
         # Tenemos hasta tres niveles de búsqueda
         collection, attr, subattr = v.split('/', 3)
 
diff --git a/app/models/post_relation.rb b/app/models/post_relation.rb
index 1e5c528..acf9058 100644
--- a/app/models/post_relation.rb
+++ b/app/models/post_relation.rb
@@ -135,7 +135,7 @@ class PostRelation < Array
   def build_layout(layout = nil)
     return layout if layout.is_a? Layout
 
-    site.layouts[layout.try(:to_sym) || :post]
+    site.layouts[layout&.to_sym || :post]
   end
 
   # Devuelve una colección Jekyll que hace pasar el documento
diff --git a/app/models/site.rb b/app/models/site.rb
index 9392eff..4a6dfbf 100644
--- a/app/models/site.rb
+++ b/app/models/site.rb
@@ -221,8 +221,8 @@ class Site < ApplicationRecord
 
     # No fallar si no existe colección para este idioma
     # XXX: queremos fallar silenciosamente?
-    (collections[lang.to_s].try(:docs) || []).each do |doc|
-      layout = layouts[Post.find_layout(doc)]
+    (collections[lang.to_s]&.docs || []).each do |doc|
+      layout = layouts[Post.find_layout(doc.path)]
 
       @posts[lang].build(document: doc, layout: layout, lang: lang)
     end
@@ -288,7 +288,7 @@ class Site < ApplicationRecord
     attr = attr.to_sym
 
     posts(lang: lang).flat_map do |p|
-      p.send(attr).try(:value) if p.attribute? attr
+      p[attr].value if p.attribute? attr
     end.uniq.compact
   end
 
diff --git a/app/models/site/forms.rb b/app/models/site/forms.rb
index b65be16..8abd6cc 100644
--- a/app/models/site/forms.rb
+++ b/app/models/site/forms.rb
@@ -37,7 +37,7 @@ class Site
     #
     # @return Array Formularios disponibles para este sitio
     def forms
-      @forms ||= data.dig('forms').try(:keys) || []
+      @forms ||= data.dig('forms')&.keys || []
     end
 
     # El nombre del formulario está disponible
diff --git a/app/services/post_service.rb b/app/services/post_service.rb
index 5ee1f2f..40562a8 100644
--- a/app/services/post_service.rb
+++ b/app/services/post_service.rb
@@ -58,7 +58,7 @@ PostService = Struct.new(:site, :usuarie, :post, :params, keyword_init: true) do
   #
   # { uuid => 2, uuid => 1, uuid => 0 }
   def reorder
-    reorder = params.require(:post).permit(reorder: {}).try(:[], :reorder).transform_values(&:to_i)
+    reorder = params.require(:post).permit(reorder: {})&.dig(:reorder)&.transform_values(&:to_i)
     posts = site.posts(lang: locale).where(uuid: reorder.keys)
 
     files = posts.map do |post|
@@ -86,7 +86,7 @@ PostService = Struct.new(:site, :usuarie, :post, :params, keyword_init: true) do
                            usuarie: usuarie,
                            remove: action == :destroyed,
                            message: I18n.t("post_service.#{action}",
-                                           title: post.try(:title).try(:value)))
+                                           title: post&.title&.value))
   end
 
   # Solo permitir cambiar estos atributos de cada articulo
diff --git a/app/services/site_service.rb b/app/services/site_service.rb
index a9b5af4..24e5bc0 100644
--- a/app/services/site_service.rb
+++ b/app/services/site_service.rb
@@ -11,7 +11,7 @@ SiteService = Struct.new(:site, :usuarie, :params, keyword_init: true) do
 
     add_role temporal: false, rol: 'usuarie'
 
-    I18n.with_locale(usuarie.try(:lang) || I18n.default_locale) do
+    I18n.with_locale(usuarie&.lang || I18n.default_locale) do
       site.save &&
         site.config.write &&
         commit_config(action: :create)
@@ -24,7 +24,7 @@ SiteService = Struct.new(:site, :usuarie, :params, keyword_init: true) do
 
   # Actualiza el sitio y guarda los cambios en la configuración
   def update
-    I18n.with_locale(usuarie.try(:lang) || I18n.default_locale) do
+    I18n.with_locale(usuarie&.lang || I18n.default_locale) do
       site.update(params) &&
         site.config.write &&
         commit_config(action: :update)
diff --git a/app/views/active_storage/blobs/_blob.html.erb b/app/views/active_storage/blobs/_blob.html.erb
index 49ba357..a515cf7 100644
--- a/app/views/active_storage/blobs/_blob.html.erb
+++ b/app/views/active_storage/blobs/_blob.html.erb
@@ -4,7 +4,7 @@
   <% end %>
 
   <figcaption class="attachment__caption">
-    <% if caption = blob.try(:caption) %>
+    <% if caption = blob&.caption %>
       <%= caption %>
     <% else %>
       <span class="attachment__name"><%= blob.filename %></span>
diff --git a/app/views/devise/mailer/email_changed.html.haml b/app/views/devise/mailer/email_changed.html.haml
index 8ae4d38..6b505fa 100644
--- a/app/views/devise/mailer/email_changed.html.haml
+++ b/app/views/devise/mailer/email_changed.html.haml
@@ -1,5 +1,5 @@
 %p= t('.greeting', recipient: @email)
-- if @resource.try(:unconfirmed_email?)
+- if @resource&.unconfirmed_email?
   %p= t('.message', email: @resource.unconfirmed_email)
 - else
   %p= t('.message', email: @resource.email)
diff --git a/app/views/devise/mailer/email_changed.text.haml b/app/views/devise/mailer/email_changed.text.haml
index e5216a5..4df926a 100644
--- a/app/views/devise/mailer/email_changed.text.haml
+++ b/app/views/devise/mailer/email_changed.text.haml
@@ -1,6 +1,6 @@
 = t('.greeting', recipient: @email)
 \
-- if @resource.try(:unconfirmed_email?)
+- if @resource&.unconfirmed_email?
   = t('.message', email: @resource.unconfirmed_email)
 - else
   = t('.message', email: @resource.email)
diff --git a/app/views/posts/_attribute_feedback.haml b/app/views/posts/_attribute_feedback.haml
index d2345f6..9852c7b 100644
--- a/app/views/posts/_attribute_feedback.haml
+++ b/app/views/posts/_attribute_feedback.haml
@@ -3,5 +3,5 @@
 .invalid-feedback{ id: id_for_feedback(*attribute) }
   - if metadata.required
     = t('posts.attributes.required.feedback')
-  - metadata.errors.try :each do |error|
+  - metadata.errors&.each do |error|
     = error
diff --git a/app/views/posts/attributes/_lang.haml b/app/views/posts/attributes/_lang.haml
index a41fbb3..b748480 100644
--- a/app/views/posts/attributes/_lang.haml
+++ b/app/views/posts/attributes/_lang.haml
@@ -1 +1 @@
-= hidden_field_tag 'post[lang]', post.try(:lang).try(:value)
+= hidden_field_tag 'post[lang]', post&.lang&.value
diff --git a/app/views/posts/index.haml b/app/views/posts/index.haml
index d9327e0..a11ff81 100644
--- a/app/views/posts/index.haml
+++ b/app/views/posts/index.haml
@@ -86,7 +86,7 @@
                   %td
                     = post.date.value.strftime('%F')
                     %br/
-                    = post.try(:order).try(:value)
+                    = post&.order&.value
                   %td
                     - if @usuarie || policy(post).edit?
                       = link_to t('posts.edit'),
diff --git a/test/jobs/deploy_job_test.rb b/test/jobs/deploy_job_test.rb
index 6d1d321..a0fabfc 100644
--- a/test/jobs/deploy_job_test.rb
+++ b/test/jobs/deploy_job_test.rb
@@ -13,7 +13,7 @@ class DeployJobTest < ActiveSupport::TestCase
     assert_not ActionMailer::Base.deliveries.empty?
 
     site.deploys.each do |d|
-      assert File.exist?(d.try(:path) || d.try(:destination))
+      assert File.exist?(d.respond_to?(:path) ? d.path : d.destination)
     end
 
     site.destroy
diff --git a/test/models/post_test.rb b/test/models/post_test.rb
index 0235970..67dd1a2 100644
--- a/test/models/post_test.rb
+++ b/test/models/post_test.rb
@@ -98,36 +98,32 @@ class PostTest < ActiveSupport::TestCase
   test 'attribute_name' do
     assert_equal :hola, @post.send(:attribute_name, :hola)
     assert_equal :hola, @post.send(:attribute_name, :hola?)
-    assert_equal :hola, @post.send(:attribute_name, :hola_was)
-    assert_equal :hola, @post.send(:attribute_name, :hola_changed?)
   end
 
   test 'se puede cambiar el slug' do
     @post.title.value = SecureRandom.hex
-    assert_equal @post.slug_was, @post.slug.value
-    assert_not @post.slug_changed?
+    assert_not @post.slug.changed?
     assert @post.slug.valid?
 
     ex_slug = @post.slug.value
     @post.slug.value = SecureRandom.hex
 
     assert_not_equal ex_slug, @post.slug.value
-    assert_equal ex_slug, @post.slug_was
-    assert @post.slug_changed?
+    assert_equal ex_slug, @post.slug.value_was
+    assert @post.slug.changed?
     assert @post.slug.valid?
   end
 
   test 'se puede cambiar la fecha' do
-    assert_equal @post.date_was, @post.date.value
-    assert_not @post.date_changed?
+    assert_not @post.date.changed?
     assert @post.date.valid?
 
     ex_date = @post.date.value
     @post.date.value = 2.days.ago
 
     assert_not_equal ex_date, @post.date.value
-    assert_equal ex_date, @post.date_was
-    assert @post.date_changed?
+    assert_equal ex_date, @post.date.value_was
+    assert @post.date.changed?
     assert @post.date.valid?
   end
 
@@ -137,7 +133,7 @@ class PostTest < ActiveSupport::TestCase
     @post.slug.value = title = SecureRandom.hex
     @post.date.value = hoy
 
-    assert @post.path_changed?
+    assert @post.path.changed?
     assert_equal "_es/#{hoy.strftime('%F')}-#{title}.markdown",
                  @post.path.relative
 
@@ -165,7 +161,7 @@ class PostTest < ActiveSupport::TestCase
 
     assert_not @post.save
     assert File.exist?(@post.path.absolute)
-    assert File.exist?(@post.path_was)
+    assert File.exist?(@post.path.value_was)
   end
 
   test 'se pueden crear nuevos' do
diff --git a/test/system/site_test.rb b/test/system/site_test.rb
new file mode 100644
index 0000000..052db4e
--- /dev/null
+++ b/test/system/site_test.rb
@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+require 'test_helper'
+
+class SiteTest < ActiveSupport::TestCase
+  def site
+    @site ||= Site.new name: 'recursero', design_id: Design.find_by_gem('recursero-jekyll-theme').id
+  end
+
+  test 'tiene una performance' do
+    skip unless ENV['TEST_PERFORMANCE'].present?
+
+    site.read
+
+    profile = StackProf.run mode: :object do
+      site.posts
+    end
+
+    StackProf::Report.new(profile).print_text
+  end
+end