diff --git a/themes/bootstrap/views/articles/_article.html.erb b/themes/bootstrap/views/articles/_article.html.erb
index 3d0fea39bd..0a7e20c828 100644
--- a/themes/bootstrap/views/articles/_article.html.erb
+++ b/themes/bootstrap/views/articles/_article.html.erb
@@ -1,8 +1,11 @@
-<div id="article-<%= article.id %>">
-  <h2 class='page-header'><%= (controller.controller_name == 'redirect') ? article.title : link_to_permalink(article,article.title) %></h2>
-  <%= render 'articles/protected_article_content', { :article => article } %>
-  <%= render 'articles/meta', article: article %>
+<article id="article-<%= article.id %>" class='h-entry hentry h-as-note'>
+  <h2 class='page-header p-name entry-title'><%= (controller.controller_name == 'redirect') ? article.title : link_to_permalink(article,article.title) %></h2>
+  <div class='e-content entry-content article'>
+    <%= render 'articles/protected_article_content', { :article => article } %>
+    <%= render 'articles/meta', article: article %>    
+  </div>
+
   <div class='comments'>
     <%= render 'articles/comment_counter', article: article %>
   </div>
-</div>
+</article>
diff --git a/themes/bootstrap/views/articles/_meta.html.erb b/themes/bootstrap/views/articles/_meta.html.erb
index 6078ca4fc4..82f687fee2 100644
--- a/themes/bootstrap/views/articles/_meta.html.erb
+++ b/themes/bootstrap/views/articles/_meta.html.erb
@@ -2,6 +2,7 @@
   <p><small>
     <%= _("Published on") %>
     <%= display_date_and_time(article.published_at) %>
+    <%= _("by") %> <span class='p-author h-card'><%= article.user.nickname %></span>
     <%= category_links(article, _("under")) unless article.categories.empty? %>.
     <%= tag_links(article) unless article.tags.empty? %>
   </small></p>
diff --git a/themes/bootstrap/views/articles/index.html.erb b/themes/bootstrap/views/articles/index.html.erb
index 5460593201..6db8c91601 100644
--- a/themes/bootstrap/views/articles/index.html.erb
+++ b/themes/bootstrap/views/articles/index.html.erb
@@ -1,4 +1,6 @@
-<%= render @articles %>
+<div class='hfeed'>
+  <%= render @articles %>
+</div>
 <div class='paginate'>
   <%= paginate(@articles)%>
 </div>
diff --git a/themes/bootstrap/views/categories/_article.html.erb b/themes/bootstrap/views/categories/_article.html.erb
index d5ef6b1d72..008fa45717 100644
--- a/themes/bootstrap/views/categories/_article.html.erb
+++ b/themes/bootstrap/views/categories/_article.html.erb
@@ -1,8 +1,10 @@
-<div id="article-<%= article.id %>">
-  <h2><%= link_to_permalink(article, article.title) %></h2>
-  <%= render 'articles/protected_article_content', { :article => article } %>
-  <%= render 'articles/meta', article: article %>
+<article id="article-<%= article.id %>" class='h-entry hentry h-as-note'>
+  <h2 class='page-header p-name entry-title'><%= link_to_permalink(article, article.title) %></h2>
+  <div class='e-content entry-content article'>
+    <%= render 'articles/protected_article_content', { :article => article } %>
+    <%= render 'articles/meta', article: article %>
+  </div>
   <div class='comments'>
     <%= render 'articles/comment_counter', article: article %>
   </div>
-</div>
+</article0>
diff --git a/themes/bootstrap/views/categories/show.html.erb b/themes/bootstrap/views/categories/show.html.erb
index 610436ff4a..9edeeb62f7 100644
--- a/themes/bootstrap/views/categories/show.html.erb
+++ b/themes/bootstrap/views/categories/show.html.erb
@@ -1,5 +1,7 @@
 <h1 class='page-header'><%= link_to @grouping.name, @grouping.permalink_url %></h1>
-<%= render :partial => 'article', :collection => @articles %>
+<div class='hfeed'>
+  <%= render :partial => 'article', :collection => @articles %>  
+</div>
 <div id='paginate'>
   <%= paginate @articles, { :previous_label => _('Previous'), :next_label => _('Next')  } %>
 </div>
diff --git a/themes/bootstrap/views/tags/_article.html.erb b/themes/bootstrap/views/tags/_article.html.erb
index 2006ed8af3..d887db81bf 100644
--- a/themes/bootstrap/views/tags/_article.html.erb
+++ b/themes/bootstrap/views/tags/_article.html.erb
@@ -1,8 +1,10 @@
-<div id="article-<%= article.id %>">
-  <h2 class='page-header'><%= link_to_permalink(article,article.title) %></h2>
-  <%= render 'articles/protected_article_content', { :article => article } %>
-  <%= render 'articles/meta', article: article %>
+<article id="article-<%= article.id %>" class='h-entry hentry h-as-note'>
+  <h2 class='page-header p-name entry-title'><%= link_to_permalink(article,article.title) %></h2>
+  <div class='e-content entry-content article'>
+    <%= render 'articles/protected_article_content', { :article => article } %>
+    <%= render 'articles/meta', article: article %>
+  </div>
   <div class='comments'>
     <%= render 'articles/comment_counter', article: article %>
   </div>
-</div>
+</article>
diff --git a/themes/bootstrap/views/tags/show.html.erb b/themes/bootstrap/views/tags/show.html.erb
index d084b96a2c..67a83866d2 100644
--- a/themes/bootstrap/views/tags/show.html.erb
+++ b/themes/bootstrap/views/tags/show.html.erb
@@ -1,4 +1,7 @@
-<%= render :partial => 'article', :collection => @articles %>
+<div class='hfeed'>
+  <%= render :partial => 'article', :collection => @articles %>
+</div>
+
 <div id='paginate'>
 <%= paginate @articles, { :previous_label => _('Previous'), :next_label => _('Next')  } %>
 </div>
\ No newline at end of file