diff --git a/README.md b/README.md
index 45fc249f1..8e0f90235 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,7 @@
 
 <img align="right" src="http://openhft.net/wp-content/uploads/2014/07/ChronicleMap_200px.png">
 
+[Chronicle Map usage heatmap](http://jrvis.com/red-dwarf/?user=openhft&repo=Chronicle-Map)
 
 ### 3 min to understand everything about Chronicle Map