--- a/web-seo.rst	Fri Feb 10 00:03:06 2012 +0200
+++ b/web-seo.rst	Fri Feb 10 00:03:17 2012 +0200
@@ -5,6 +5,18 @@
 ==========
 .. 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://www.sitemaps.org/
+ * http://en.wikipedia.org/wiki/Robots.txt
+ * http://www.robotstxt.org/
+
 Alexa.
 ======