diff --git a/test/check.sh b/test/check.sh
new file mode 100755
index 0000000..8c8996e
--- /dev/null
+++ b/test/check.sh
@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+#
+# Checks the README links.
+#
+
+DIR=$(dirname $0)
+
+cat $DIR/../README.md | grep -o -E 'https?://[%\+-_./[:digit:][:alpha:]]+' | \
+    xargs -n1 -P 10 curl -o /dev/null --silent --head --write-out '%{url_effective} %{http_code}\n' | \
+    awk '$2 >= 400'
+
+exit 0
+