External links without noopener/noreferrer are a potential security risk.

examples/webgl_loader_prwm.html

@@ -69,7 +69,7 @@
 			download the most appropriate file.<br><br>
 			This platform endianness is <strong id="endianness"></strong>.<br><br>
 			See your console for stats.<br><br>
-			<a href="https://github.com/kchapelier/PRWM" target="_blank">Specifications and implementations</a>
+			<a href="https://github.com/kchapelier/PRWM" target="_blank" rel="noopener noreferrer">Specifications and implementations</a>
 		</div>
 
 		<script src="../build/three.js"></script>