<!DOCTYPE html>
<script src="empty.js"></script>
<script src="dummy.js"></script>
<script src="redirect.py?Redirect=empty.js"></script>
<img src="square.png">
<img src="https://{{hosts[alt][]}}:{{ports[https][0]}}/service-workers/service-worker/resources/square.png">
<img src="missing.jpg">
<img src="https://{{hosts[alt][]}}:{{ports[https][0]}}/service-workers/service-worker/resources/missing.jpg">
<img src='missing.jpg?SWRespondsWithFetch'>
<script src='empty-worker.js'></script>