diff --git a/contrib/web/tutorial/d-speed.mp4 b/contrib/web/tutorial/d-speed.mp4
new file mode 100644
index 0000000..518508d
Binary files /dev/null and b/contrib/web/tutorial/d-speed.mp4 differ
diff --git a/contrib/web/tutorial/index.html b/contrib/web/tutorial/index.html
index 9506d44..9123d03 100644
--- a/contrib/web/tutorial/index.html
+++ b/contrib/web/tutorial/index.html
@@ -124,5 +124,6 @@ One option is to use "rsync" and transfer your files to your server.
 
   distribusi .
   rsync -avz . varia.zone:public_html</pre><span class='filename'>README.md</span></div>
+<div id="d-speed.mp4" class='video'><video controls>			<source src="d-speed.mp4" type="video/mp4">		</video><span class='filename'>d-speed.mp4</span></div>
   </body>
 </html