diff --git a/examples/heatmap-earthquakes.html b/examples/heatmap-earthquakes.html
index 612b1206fc..e20d7f58b0 100644
--- a/examples/heatmap-earthquakes.html
+++ b/examples/heatmap-earthquakes.html
@@ -4,7 +4,7 @@ title: Earthquakes Heatmap
 shortdesc: Demonstrates the use of a heatmap layer.
 docs: >
   This example parses a KML file and renders the features as a <code>ol/layer/Heatmap</code> layer.
-tags: "heatmap, kml, vector, style"
+tags: "heatmap, kml, vector, style, webgl"
 ---
 <div id="map" class="map"></div>
 <form>