diff --git a/tools/test.svg b/tools/other combatant icon.svg
similarity index 100%
rename from tools/test.svg
rename to tools/other combatant icon.svg
diff --git a/src/js/service-worker.js b/tools/service-worker.js
similarity index 96%
rename from src/js/service-worker.js
rename to tools/service-worker.js
index cda78da..3f21a03 100644
--- a/src/js/service-worker.js
+++ b/tools/service-worker.js
@@ -13,7 +13,7 @@ console.log("[Service Worker] Install");
 self.addEventListener("install", e => e.waitUntil(install()));
 
 // fetch content
-/*self.addEventListener('fetch', (e) => {
+self.addEventListener('fetch', (e) => {
 	e.respondWith((async () => {
 		const r = await caches.match(e.request);
 		console.log(`[Service Worker] Fetching resource: ${e.request.url}`);
@@ -26,7 +26,7 @@ self.addEventListener("install", e => e.waitUntil(install()));
 		cache.put(e.request, response.clone());
 		return response;
 	})());
-});*/
+});
 
 
 // activate: clear outdated files from cache