diff --git a/templates/crawl_logs.html b/templates/crawl_logs.html
index 55c7743..60fb839 100644
--- a/templates/crawl_logs.html
+++ b/templates/crawl_logs.html
@@ -13,6 +13,7 @@
                 <th>File count</th>
                 <th>Start</th>
                 <th>End</th>
+                <th>Delta</th>
                 <th>Index</th>
             </tr>
             </thead>
@@ -27,6 +28,7 @@
                         <td>{{ task_result.file_count }}</td>
                         <td>{{ task_result.start_time | datetime_format }}</td>
                         <td>{{ task_result.end_time | datetime_format }}</td>
+                        <td>{{ ((task_result.end_time - task_result.start_time)) | int }} sec</td>
                         <td>{{ task_result.indexed_time | datetime_format }}</td>
                     </tr>
                 {% endfor %}