diff --git a/www/robots.txt b/www/robots.txt
index 26f4f54..5acf224 100644
--- a/www/robots.txt
+++ b/www/robots.txt
@@ -5,6 +5,10 @@ User-agent: *
 Disallow: CVS
 Disallow: .svn
 
+# Be gentle
+User-agent: *
+Crawl-delay: 5
+
 # Prevent excessive search engine hits
 Disallow: /cgi-bin/trac.cgi
 Disallow: /log