--- a/web-seo.rst	Tue Feb 07 16:55:21 2012 +0200
+++ b/web-seo.rst	Wed Feb 08 14:21:36 2012 +0200
@@ -5,6 +5,16 @@
 ==========
 .. contents::
 
+Informing search engine about site structure.
+=============================================
+::
+
+  http://www.example.org/sitemap.xml
+  http://www.example.org/robots.txt
+
+ * http://en.wikipedia.org/wiki/Sitemaps
+ * http://en.wikipedia.org/wiki/Robots.txt
+
 Alexa.
 ======