diff --git a/app/jobs/stat_collection_job.rb b/app/jobs/stat_collection_job.rb
index 6f8470b..a49a163 100644
--- a/app/jobs/stat_collection_job.rb
+++ b/app/jobs/stat_collection_job.rb
@@ -21,14 +21,20 @@ class StatCollectionJob < ApplicationJob
   COLUMNS = %i[uri].freeze
 
   def perform(once: false)
-    Stat::INTERVALS.each do |interval|
-      options = { interval: interval }
+    Site.find_each do |site|
+      hostnames = [site.hostname, site.alternative_hostnames].flatten
+
+      # Usamos el primero porque luego podemos hacer un rollup recursivo
+      options = { interval: Stat::INTERVALS.first }
 
       # Visitas por hostname
-      AccessLog.completed_requests.non_robots.pages.group(:host).rollup('host', **options)
+      hostnames.each do |hostname|
+        AccessLog.where(host: hostname).completed_requests.non_robots.pages.group(:host).rollup('host', **options)
 
-      combined_columns(**options)
-      stats_by_site(**options)
+        combined_columns(hostname, **options)
+      end
+
+      stats_by_site(site, **options)
     end
 
     # Registrar que se hicieron todas las recolecciones
@@ -40,9 +46,15 @@ class StatCollectionJob < ApplicationJob
   private
 
   # Combinación de columnas
-  def combined_columns(**options)
+  def combined_columns(hostname, **options)
+    where = { host: hostname }
+
     COLUMNS.each do |column|
-      AccessLog.completed_requests.non_robots.group(:host, column).rollup("host|#{column}", **options)
+      AccessLog.where(host: hostname).pluck(Arel.sql("distinct #{column}")).each do |value|
+        where[column] = value
+
+        AccessLog.where(**where).completed_requests.non_robots.group(:host, column).rollup("host|#{column}", **options)
+      end
     end
   end
 
@@ -50,17 +62,15 @@ class StatCollectionJob < ApplicationJob
   #
   # XXX: En realidad se agrupan por el deploy_id, que siempre será el
   # del DeployLocal.
-  def stats_by_site(**options)
-    Site.find_each do |site|
-      site.build_stats.jekyll.group(:deploy_id).rollup('builds', **options)
+  def stats_by_site(site, **options)
+    site.build_stats.jekyll.group(:deploy_id).rollup('builds', **options)
 
-      site.build_stats.jekyll.group(:deploy_id).rollup('space_used', **options) do |rollup|
-        rollup.average(:bytes)
-      end
+    site.build_stats.jekyll.group(:deploy_id).rollup('space_used', **options) do |rollup|
+      rollup.average(:bytes)
+    end
 
-      site.build_stats.jekyll.group(:deploy_id).rollup('build_time', **options) do |rollup|
-        rollup.average(:seconds)
-      end
+    site.build_stats.jekyll.group(:deploy_id).rollup('build_time', **options) do |rollup|
+      rollup.average(:seconds)
     end
   end
 end