diff --git a/bin/curl-header b/bin/curl-header
new file mode 120000
index 0000000..7012dd1
--- /dev/null
+++ b/bin/curl-header
@@ -0,0 +1 @@
+../web/curl-header
\ No newline at end of file
diff --git a/web/curl-header b/web/curl-header
new file mode 100755
index 0000000..df282de
--- /dev/null
+++ b/web/curl-header
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+# head trick to prevent unable to write -error. 
+curl -s -D /dev/stderr "$1" | head -c 1 | head -c 0
+
+