diff --git a/client/css/tags.styl b/client/css/tags.styl
index 4cb10cc..ef2b2e3 100644
--- a/client/css/tags.styl
+++ b/client/css/tags.styl
@@ -13,14 +13,18 @@
         th
             background: $top-nav-color
         .names
-            width: 30%
+            width: 28%
         .implications
-            width: 30%
+            width: 28%
         .suggestions
-            width: 30%
+            width: 28%
         .usages
             text-align: center
-            width: 10%
+            width: 8%
+        .edit-time
+            text-align: center
+            width: 8%
+            white-space: pre
         ul
             list-style-type: none
             margin: 0
diff --git a/client/html/tags_page.tpl b/client/html/tags_page.tpl
index eb42059..774ff61 100644
--- a/client/html/tags_page.tpl
+++ b/client/html/tags_page.tpl
@@ -30,6 +30,13 @@
                         <a href='/tags/text=sort:usages'>Usages</a>
                     <% } %>
                 </th>
+                <th class='edit-time'>
+                    <% if (ctx.query == 'sort:last-edit-time') { %>
+                        <a href='/tags/text=-sort:last-edit-time'>Edit time</a>
+                    <% } else { %>
+                        <a href='/tags/text=sort:last-edit-time'>Edit time</a>
+                    <% } %>
+                </th>
             </thead>
             <tbody>
                 <% _.each(ctx.results, tag => { %>
@@ -66,6 +73,9 @@
                         <td class='usages'>
                             <%= tag.usages %>
                         </td>
+                        <td class='edit-time'>
+                            <%= ctx.makeRelativeTime(tag.lastEditTime) %>
+                        </td>
                     </tr>
                 <% }) %>
             </tbody>