diff --git a/app/models/comment.rb b/app/models/comment.rb
index d4ceb9e3e..696b363ce 100644
--- a/app/models/comment.rb
+++ b/app/models/comment.rb
@@ -1,5 +1,5 @@
 class Comment < ActiveRecord::Base
-  acts_as_nested_set scope: [:commentable_id, :commentable_type]
+  acts_as_nested_set scope: [:commentable_id, :commentable_type], counter_cache: :children_count
   acts_as_votable
 
   validates :body, presence: true
@@ -28,4 +28,19 @@ class Comment < ActiveRecord::Base
     user
   end
 
+  def total_votes
+    votes_for.size
+  end
+
+  # TODO: faking counter cache since there is a bug with acts_as_nested_set :counter_cache
+  # Remove when https://github.com/collectiveidea/awesome_nested_set/issues/294 is fixed
+  # and reset counters using
+  # > Comment.find_each { |comment| Comment.reset_counters(comment.id, :children) }
+  def children_count
+    children.count
+  end
+
+  def descendants_count
+    descendants.count
+  end
 end
diff --git a/app/views/comments/_comment.html.erb b/app/views/comments/_comment.html.erb
index 4e375c540..466752044 100644
--- a/app/views/comments/_comment.html.erb
+++ b/app/views/comments/_comment.html.erb
@@ -14,11 +14,12 @@
       </span>
 
       <p class="reply">
-      númerototal respuestas
-      <% if user_signed_in? %>
-        &nbsp;|&nbsp;
-        <%= render 'comments/form', {parent: comment, toggeable: true} %></p>
-      <% end %>
+        <%= t("debates.comment.responses", count: comment.children_count) %>
+        <% if user_signed_in? %>
+          &nbsp;|&nbsp;
+          <%= render 'comments/form', {parent: comment, toggeable: true} %>
+        <% end %>
+      </p>
     </div>
 
     <div class="comment-children">
diff --git a/app/views/comments/_votes.html.erb b/app/views/comments/_votes.html.erb
index 4763388b3..73efa56ba 100644
--- a/app/views/comments/_votes.html.erb
+++ b/app/views/comments/_votes.html.erb
@@ -1,5 +1,6 @@
 <span>
-  númerototal votos
+  <!-- <%= t('debates.comment.votes_weighted_score', score: comment.weighted_score) %> -->
+  <%= t('debates.comment.votes', count: comment.total_votes) %>
 </span>
 &nbsp;|&nbsp;
 <span class="in_favor">
@@ -16,4 +17,4 @@
       <i class="icon-angle-down"></i>
   <% end %>
   <%= comment.get_dislikes.size %>
-</span>
\ No newline at end of file
+</span>
diff --git a/app/views/debates/_debate.html.erb b/app/views/debates/_debate.html.erb
index 4620e1232..f8343e8be 100644
--- a/app/views/debates/_debate.html.erb
+++ b/app/views/debates/_debate.html.erb
@@ -9,7 +9,7 @@
           <h3><%= link_to debate.title, debate %></h3>
           <p class="debate-info">
             <i class="icon-chat-bubble-two"></i>&nbsp;
-            <%= link_to pluralize(debate.comment_threads.count, t("debates.debate.comment"), t("debates.debate.comments")), debate_path(debate, anchor: "comments") %>
+            <%= link_to t("debates.debate.comments", count: debate.comment_threads.count), debate_path(debate, anchor: "comments") %>
           </p>
           <div class="debate-description">
             <%= link_to debate.description, debate %>
diff --git a/app/views/debates/_votes.html.erb b/app/views/debates/_votes.html.erb
index a15a66a4d..4c252c8b5 100644
--- a/app/views/debates/_votes.html.erb
+++ b/app/views/debates/_votes.html.erb
@@ -18,7 +18,7 @@
   </div>
 
   <span class="total-votes">
-    <%= pluralize(debate.total_votes, t("debates.debate.vote"), t("debates.debate.votes")) %>
+    <%= t("debates.debate.votes", count: debate.total_votes) %>
   </span>
 
   <% unless user_signed_in? %>
diff --git a/app/views/debates/show.html.erb b/app/views/debates/show.html.erb
index 28fefd085..63c2528cd 100644
--- a/app/views/debates/show.html.erb
+++ b/app/views/debates/show.html.erb
@@ -6,7 +6,13 @@
 
       <div class="debate-info">
         <%= image_tag('user_default.jpg', class: 'author-photo', size: '32x32') %>
-        <span class="author"><%= @debate.author.name %></span><span class="bullet">&nbsp;&bullet;&nbsp;</span> <%= l @debate.created_at.to_date %> <span class="bullet">&nbsp;&bullet;&nbsp;</span><i class="icon-chat-bubble-two"></i>&nbsp;<%= link_to pluralize(@debate.comment_threads.count, t("debates.show.comment"), t("debates.show.comments")), "#comments" %>
+        <span class="author">
+            <%= @debate.author.name %>
+        </span>
+        <span class="bullet">&nbsp;&bullet;&nbsp;</span>
+        <%= l @debate.created_at.to_date %>
+        <span class="bullet">&nbsp;&bullet;&nbsp;</span>
+        <i class="icon-chat-bubble-two"></i>&nbsp;<%= link_to t("debates.show.comments", count: @debate.comment_threads.count), "#comments" %>
       </div>
 
       <%= @debate.description %>
@@ -36,7 +42,7 @@
 <section class="row-full comments">
   <div class="row">
     <div id="comments" class="small-12 column">
-      <h2><%= t("debates.show.comments") %></h2>
+      <h2><%= t("debates.show.comments_title") %></h2>
       <% if user_signed_in? %>
         <div>
           <%= t("debates.show.leave_comment") %>
diff --git a/app/views/welcome/_featured_debate.html.erb b/app/views/welcome/_featured_debate.html.erb
index fc175fff8..93626b4c7 100644
--- a/app/views/welcome/_featured_debate.html.erb
+++ b/app/views/welcome/_featured_debate.html.erb
@@ -8,7 +8,7 @@
         <h3><%= link_to featured_debate.title, featured_debate %></h3>
         <p class="debate-info">
           <i class="icon-chat-bubble-two"></i>&nbsp;
-          <%= link_to pluralize(featured_debate.comment_threads.count, t("debates.show.comment"), t("debates.show.comments")), debate_path(featured_debate, anchor: "comments") %>
+          <%= link_to t("debates.show.comments", count: featured_debate.comment_threads.count), debate_path(featured_debate, anchor: "comments") %>
         </p>
         <div class="debate-description">
           <%= link_to featured_debate.description, featured_debate %>
@@ -25,4 +25,4 @@
 
     </div>
   </div>
-</div>
\ No newline at end of file
+</div>
diff --git a/config/locales/en.yml b/config/locales/en.yml
index b036f8125..5a60019aa 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -19,10 +19,24 @@ en:
       create_debate: Create a debate
     debate:
       debate: Debate
-      vote: vote
-      votes: votes
-      comment: Comment
-      comments: Comments
+      comments:
+        zero: No comments
+        one: 1 Comment
+        other: "%{count} Comments"
+      votes:
+        zero: No votes
+        one: 1 vote
+        other: "%{count} votes"
+    comment:
+      responses:
+        zero: No Responses
+        one: 1 Response
+        other: "%{count} Responses"
+      votes:
+        zero: No votes
+        one: 1 vote
+        other: "%{count} votes"
+      votes_weighted_score: "Total: %{score}"
     form:
       error: error
       errors: errors
@@ -36,8 +50,11 @@ en:
       accept_terms: I accept the privacy policy and the legal terms
     show:
       back_link: Back
-      comment: Comment
-      comments: Comments
+      comments_title: Comments
+      comments:
+        zero: No comments
+        one: 1 Comment
+        other: "%{count} Comments"
       leave_comment: Write a comment
       login_to_comment: Log in to participate
       edit_debate_link: Edit
diff --git a/config/locales/es.yml b/config/locales/es.yml
index 7995483d4..32fd051c3 100644
--- a/config/locales/es.yml
+++ b/config/locales/es.yml
@@ -19,10 +19,24 @@ es:
       create_debate: Crea un debate
     debate:
       debate: Debate
-      vote: voto
-      votes: votos
-      comment: Comentario
-      comments: Comentarios
+      comments:
+        zero: Sin comentarios
+        one: 1 Comentario
+        other: "%{count} Comentarios"
+      votes:
+        zero: Sin votos
+        one: 1 voto
+        other: "%{count} votos"
+    comment:
+      responses:
+        zero: Sin respuestas
+        one: 1 Respuesta
+        other: "%{count} Respuestas"
+      votes:
+        zero: Sin votos
+        one: 1 voto
+        other: "%{count} votos"
+      votes_weighted_score: "Total: %{score}"
     form:
       error: error
       errors: errores
@@ -36,8 +50,11 @@ es:
       accept_terms: Acepto la política de privacidad y el aviso legal
     show:
       back_link: Volver
-      comment: Comentario
-      comments: Comentarios
+      comments_title: Comentarios
+      comments:
+        zero: Sin comentarios
+        one: 1 Comentario
+        other: "%{count} Comentarios"
       leave_comment: Deja tu comentario
       login_to_comment: Entra para participar
       edit_debate_link: Editar
@@ -108,5 +125,3 @@ es:
       all: "No tienes permiso para borrar %{subject}"
     manage:
       all: "No tienes permiso para realizar la acción '%{action}' sobre %{subject}."
-
-
diff --git a/db/migrate/20150811161459_add_children_count_to_comments.rb b/db/migrate/20150811161459_add_children_count_to_comments.rb
new file mode 100644
index 000000000..ce233542d
--- /dev/null
+++ b/db/migrate/20150811161459_add_children_count_to_comments.rb
@@ -0,0 +1,9 @@
+class AddChildrenCountToComments < ActiveRecord::Migration
+  def up
+    add_column :comments, :children_count, :integer, default: 0
+  end
+
+  def down
+    remove_column :comments, :children_count
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 7dd74d450..8fb58776c 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20150808141306) do
+ActiveRecord::Schema.define(version: 20150811161459) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -28,12 +28,13 @@ ActiveRecord::Schema.define(version: 20150808141306) do
     t.string   "title"
     t.text     "body"
     t.string   "subject"
-    t.integer  "user_id",          null: false
+    t.integer  "user_id",                      null: false
     t.integer  "parent_id"
     t.integer  "lft"
     t.integer  "rgt"
     t.datetime "created_at"
     t.datetime "updated_at"
+    t.integer  "children_count",   default: 0
   end
 
   add_index "comments", ["commentable_id", "commentable_type"], name: "index_comments_on_commentable_id_and_commentable_type", using: :btree
diff --git a/spec/factories.rb b/spec/factories.rb
index fc76685d0..6bbe3b68b 100644
--- a/spec/factories.rb
+++ b/spec/factories.rb
@@ -22,15 +22,11 @@ FactoryGirl.define do
   end
 
   factory :comment do
-    commentable
+    association :commentable, factory: :debate
     user
     body 'Comment body'
   end
 
-  factory :commentable do
-    debate
-  end
-
   factory :administrator do
     user
   end
diff --git a/spec/features/comments_spec.rb b/spec/features/comments_spec.rb
index 0cc64bce1..5417bb48a 100644
--- a/spec/features/comments_spec.rb
+++ b/spec/features/comments_spec.rb
@@ -10,6 +10,7 @@ feature 'Comments' do
     visit debate_path(debate)
 
     expect(page).to have_css('.comment', count: 3)
+    expect(page).to have_content '3 Comments'
 
     comment = Comment.first
     within first('.comment') do
@@ -84,6 +85,11 @@ feature 'Comments' do
 
     visit debate_path(debate)
     expect(page).to have_css(".comment.comment.comment.comment.comment.comment.comment.comment")
+    expect(page).to have_content '8 Comments'
+
+    within first('.comment') do
+      expect(page).to have_content '1 Response'
+    end
   end
 
 end
diff --git a/spec/features/votes_spec.rb b/spec/features/votes_spec.rb
index 8deb20c20..4e713b669 100644
--- a/spec/features/votes_spec.rb
+++ b/spec/features/votes_spec.rb
@@ -112,7 +112,7 @@ feature 'Votes' do
     scenario 'Show no votes' do
       visit debate_path(@debate)
 
-      expect(page).to have_content "0 votes"
+      expect(page).to have_content "No votes"
 
       within('.in-favor') do
         expect(page).to have_content "0%"
@@ -236,12 +236,9 @@ feature 'Votes' do
 
       expect(page).to have_content "1 vote"
     end
-
   end
 
-
   feature 'Comments' do
-
     background do
       @manuela = create(:user)
       @pablo = create(:user)
@@ -266,6 +263,8 @@ feature 'Votes' do
         within(".against")  do
           expect(page).to have_content "1"
         end
+
+        expect(page).to have_content "2 votes"
       end
     end
 
@@ -280,6 +279,8 @@ feature 'Votes' do
         within(".against")  do
           expect(page).to have_content "0"
         end
+
+        expect(page).to have_content "1 vote"
       end
     end
 
@@ -295,6 +296,8 @@ feature 'Votes' do
         within('.against')  do
           expect(page).to have_content "1"
         end
+
+        expect(page).to have_content "1 vote"
       end
     end
 
@@ -310,8 +313,10 @@ feature 'Votes' do
         within('.against')  do
           expect(page).to have_content "0"
         end
+
+        expect(page).to have_content "1 vote"
       end
     end
 
   end
-end
\ No newline at end of file
+end
diff --git a/spec/models/comment_spec.rb b/spec/models/comment_spec.rb
new file mode 100644
index 000000000..5af7afc1c
--- /dev/null
+++ b/spec/models/comment_spec.rb
@@ -0,0 +1,41 @@
+require 'rails_helper'
+
+describe Comment do
+
+  let(:comment) { build(:comment) }
+
+  it "should be valid" do
+    expect(comment).to be_valid
+  end
+
+  describe "#children_count" do
+    let(:comment) { create(:comment) }
+    let(:debate)  { comment.debate }
+
+    it "should count first level children" do
+      parent = comment
+
+      3.times do
+        create(:comment, commentable: debate).
+        move_to_child_of(parent)
+        parent = parent.children.first
+      end
+
+      expect(comment.children_count).to eq(1)
+      expect(debate.comment_threads.count).to eq(4)
+    end
+
+    it "should increase children count" do
+      expect do
+        create(:comment, commentable: debate).
+        move_to_child_of(comment)
+      end.to change { comment.children_count }.from(0).to(1)
+    end
+
+    it "should decrease children count" do
+      new_comment = create(:comment, commentable: debate).move_to_child_of(comment)
+
+      expect { new_comment.destroy }.to change { comment.children_count }.from(1).to(0)
+    end
+  end
+end
diff --git a/spec/models/debate_spec.rb b/spec/models/debate_spec.rb
index 00f6217bd..187bc0dc1 100644
--- a/spec/models/debate_spec.rb
+++ b/spec/models/debate_spec.rb
@@ -1,88 +1,80 @@
 require 'rails_helper'
 
 describe Debate do
-
-  before(:each) do
-    @debate = build(:debate)
-  end
+  let(:debate) { build(:debate) }
 
   it "should be valid" do
-    expect(@debate).to be_valid
+    expect(debate).to be_valid
   end
 
   it "should not be valid without an author" do
-    @debate.author = nil
-    expect(@debate).to_not be_valid
+    debate.author = nil
+    expect(debate).to_not be_valid
   end
 
   it "should not be valid without a title" do
-    @debate.title = nil
-    expect(@debate).to_not be_valid
+    debate.title = nil
+    expect(debate).to_not be_valid
   end
 
   describe "#description" do
     it "should be mandatory" do
-      @debate.description = nil
-      expect(@debate).to_not be_valid
+      debate.description = nil
+      expect(debate).to_not be_valid
     end
 
     it "should be sanitized" do
-      @debate.description = "<script>alert('danger');</script>"
-      @debate.valid?
-      expect(@debate.description).to eq("alert('danger');")
+      debate.description = "<script>alert('danger');</script>"
+      debate.valid?
+      expect(debate.description).to eq("alert('danger');")
     end
 
     it "should be html_safe" do
-      @debate.description = "<script>alert('danger');</script>"
-      expect(@debate.description).to be_html_safe
+      debate.description = "<script>alert('danger');</script>"
+      expect(debate.description).to be_html_safe
     end
   end
 
   it "should sanitize the tag list" do
-    @debate.tag_list = "user_id=1"
-    @debate.valid?
-    expect(@debate.tag_list).to eq(['user_id1'])
+    debate.tag_list = "user_id=1"
+    debate.valid?
+    expect(debate.tag_list).to eq(['user_id1'])
   end
 
   it "should not be valid without accepting terms of service" do
-    @debate.terms_of_service = nil
-    expect(@debate).to_not be_valid
+    debate.terms_of_service = nil
+    expect(debate).to_not be_valid
   end
 
   describe "#editable?" do
-    before(:each) do
-      @debate = create(:debate)
-    end
+    let(:debate) { create(:debate) }
 
     it "should be true if debate has no votes yet" do
-      expect(@debate.total_votes).to eq(0)
-      expect(@debate.editable?).to be true
+      expect(debate.total_votes).to eq(0)
+      expect(debate.editable?).to be true
     end
 
     it "should be false if debate has votes" do
-      create(:vote, votable: @debate)
-      expect(@debate.total_votes).to eq(1)
-      expect(@debate.editable?).to be false
+      create(:vote, votable: debate)
+      expect(debate.total_votes).to eq(1)
+      expect(debate.editable?).to be false
     end
   end
 
   describe "#editable_by?" do
-    before(:each) do
-      @debate = create(:debate)
-    end
+    let(:debate) { create(:debate) }
 
     it "should be true if user is the author and debate is editable" do
-      expect(@debate.editable_by?(@debate.author)).to be true
+      expect(debate.editable_by?(debate.author)).to be true
     end
 
     it "should be false if debate is not editable" do
-      create(:vote, votable: @debate)
-      expect(@debate.editable_by?(@debate.author)).to be false
+      create(:vote, votable: debate)
+      expect(debate.editable_by?(debate.author)).to be false
     end
 
     it "should be false if user is not the author" do
-      expect(@debate.editable_by?(create(:user))).to be false
-
+      expect(debate.editable_by?(create(:user))).to be false
     end
   end
 
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index 4a8fe8fd7..36444a9c5 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -3,24 +3,22 @@ require 'rails_helper'
 describe User do
 
   describe "#votes_on_debates" do
-    before(:each) do
-      @user = create(:user)
-    end
+    let(:user) { create(:user) }
 
     it "returns {} if no debate" do
-      expect(@user.votes_on_debates()).to eq({})
-      expect(@user.votes_on_debates([])).to eq({})
-      expect(@user.votes_on_debates([nil, nil])).to eq({})
+      expect(user.votes_on_debates()).to eq({})
+      expect(user.votes_on_debates([])).to eq({})
+      expect(user.votes_on_debates([nil, nil])).to eq({})
     end
 
     it "returns a hash of debates ids and votes" do
       debate1 = create(:debate)
       debate2 = create(:debate)
       debate3 = create(:debate)
-      create(:vote, voter: @user, votable: debate1, vote_flag: true)
-      create(:vote, voter: @user, votable: debate3, vote_flag: false)
+      create(:vote, voter: user, votable: debate1, vote_flag: true)
+      create(:vote, voter: user, votable: debate3, vote_flag: false)
 
-      voted = @user.votes_on_debates([debate1.id, debate2.id, debate3.id])
+      voted = user.votes_on_debates([debate1.id, debate2.id, debate3.id])
 
       expect(voted[debate1.id]).to eq(true)
       expect(voted[debate2.id]).to eq(nil)