diff --git a/modules/blog/skins/default/view_document.html b/modules/blog/skins/default/view_document.html
index d7d3ebb5c..a9bc50c05 100644
--- a/modules/blog/skins/default/view_document.html
+++ b/modules/blog/skins/default/view_document.html
@@ -40,7 +40,7 @@
             <!--@for($i=0;$i<count($tag_list);$i++)-->
                 {@ $tag = $tag_list[$i]; }
                 {$lang->tag} :
-                <a href="{getUrl('search_target','tag','search_keyword',urlencode($val),'document_srl','')}">{htmlspecialchars($val)}</a>
+                <a href="{getUrl('search_target','tag','search_keyword',urlencode($val),'document_srl','')}" rel="tag">{htmlspecialchars($val)}</a>
             <!--@end-->
         </div>
         <!--@end-->
diff --git a/modules/blog/skins/xe_blog/view_document.html b/modules/blog/skins/xe_blog/view_document.html
index 24d3caf02..2ced9b9b0 100644
--- a/modules/blog/skins/xe_blog/view_document.html
+++ b/modules/blog/skins/xe_blog/view_document.html
@@ -46,7 +46,7 @@
                     <!--@for($i=0;$i<count($tag_list);$i++)-->
                         {@ $tag = $tag_list[$i]; }
                         <li>
-                            <a href="{getUrl('search_target','tag','search_keyword',urlencode($tag),'document_srl','')}">{htmlspecialchars($tag)}</a><!--@if($i<count($tag_list)-1)-->,<!--@end-->
+                            <a href="{getUrl('search_target','tag','search_keyword',urlencode($tag),'document_srl','')}" rel="tag">{htmlspecialchars($tag)}</a><!--@if($i<count($tag_list)-1)-->,<!--@end-->
                         </li>
                     <!--@end-->
                 </ul>
diff --git a/modules/board/skins/default/view_document.html b/modules/board/skins/default/view_document.html
index 9d02a2803..a0dd9b472 100644
--- a/modules/board/skins/default/view_document.html
+++ b/modules/board/skins/default/view_document.html
@@ -73,7 +73,7 @@
         <td>
             <!--@for($i=0;$i<count($tag_list);$i++)-->
                 {@ $tag = $tag_list[$i]; }
-                <a href="{getUrl('search_target','tag','search_keyword',urlencode($tag),'document_srl','')}">{htmlspecialchars($tag)}</a><!--@if($i<count($tag_list)-1)-->,<!--@end-->
+                <a href="{getUrl('search_target','tag','search_keyword',urlencode($tag),'document_srl','')}" rel="tag">{htmlspecialchars($tag)}</a><!--@if($i<count($tag_list)-1)-->,<!--@end-->
             <!--@end-->
         </td>
     </tr>
diff --git a/modules/board/skins/xe_gallery/view_document.html b/modules/board/skins/xe_gallery/view_document.html
index aed68a0a0..50a9d9e82 100644
--- a/modules/board/skins/xe_gallery/view_document.html
+++ b/modules/board/skins/xe_gallery/view_document.html
@@ -78,7 +78,7 @@
                     <!--@for($i=0;$i<count($tag_list);$i++)-->
                         {@ $tag = $tag_list[$i]; }
                         <li>
-                            <a href="{getUrl('search_target','tag','search_keyword',urlencode($tag),'document_srl','')}">{htmlspecialchars($tag)}</a><!--@if($i<count($tag_list)-1)-->,<!--@end-->
+                            <a href="{getUrl('search_target','tag','search_keyword',urlencode($tag),'document_srl','')}" rel="tag">{htmlspecialchars($tag)}</a><!--@if($i<count($tag_list)-1)-->,<!--@end-->
                         </li>
                     <!--@end-->
                 </ul>
diff --git a/modules/board/skins/xe_list/view_document.html b/modules/board/skins/xe_list/view_document.html
index aed68a0a0..50a9d9e82 100644
--- a/modules/board/skins/xe_list/view_document.html
+++ b/modules/board/skins/xe_list/view_document.html
@@ -78,7 +78,7 @@
                     <!--@for($i=0;$i<count($tag_list);$i++)-->
                         {@ $tag = $tag_list[$i]; }
                         <li>
-                            <a href="{getUrl('search_target','tag','search_keyword',urlencode($tag),'document_srl','')}">{htmlspecialchars($tag)}</a><!--@if($i<count($tag_list)-1)-->,<!--@end-->
+                            <a href="{getUrl('search_target','tag','search_keyword',urlencode($tag),'document_srl','')}" rel="tag">{htmlspecialchars($tag)}</a><!--@if($i<count($tag_list)-1)-->,<!--@end-->
                         </li>
                     <!--@end-->
                 </ul>
diff --git a/modules/board/skins/xe_webzine/view_document.html b/modules/board/skins/xe_webzine/view_document.html
index aed68a0a0..50a9d9e82 100644
--- a/modules/board/skins/xe_webzine/view_document.html
+++ b/modules/board/skins/xe_webzine/view_document.html
@@ -78,7 +78,7 @@
                     <!--@for($i=0;$i<count($tag_list);$i++)-->
                         {@ $tag = $tag_list[$i]; }
                         <li>
-                            <a href="{getUrl('search_target','tag','search_keyword',urlencode($tag),'document_srl','')}">{htmlspecialchars($tag)}</a><!--@if($i<count($tag_list)-1)-->,<!--@end-->
+                            <a href="{getUrl('search_target','tag','search_keyword',urlencode($tag),'document_srl','')}" rel="tag">{htmlspecialchars($tag)}</a><!--@if($i<count($tag_list)-1)-->,<!--@end-->
                         </li>
                     <!--@end-->
                 </ul>