diff --git a/static/service_worker.js b/static/service_worker.js
index 6c2e8e2..b750e54 100644
--- a/static/service_worker.js
+++ b/static/service_worker.js
@@ -53,18 +53,18 @@ async function fetchAsset(event) {
 			// -----------------------------------------------
 			// This page is precached - return it immediately.
 			// -----------------------------------------------
-			//console.log('From cache', event.request.url)
+			console.debug('From cache', event.request.url)
 			return match
 		} else {
 			// ---------------------------------------------------------------
 			// Not in cache - send it for an online request/browser cache hit.
 			// ---------------------------------------------------------------
-			console.log('From network', event.request.url)
+			console.debug('From network', event.request.url)
 			const resp = await fetch(event.request)
 
 			// This will trigger on an HTTP error such as 502.
 			if (!resp.ok) {
-				console.log('HTTP error', resp.status)
+				console.error('HTTP error', resp.status)
 
 				// When JSON is expected, return that instead of the offline HTML page.
 				return await offline(event, `${resp.status} ${resp.statusText}`)
@@ -73,7 +73,7 @@ async function fetchAsset(event) {
 		}
 	} catch (e) {
 		// An error here is something like a DNS problem, not a regular HTTP problem.
-		console.log('Network error', e, event.request.url)
+		console.error('Network error', e, event.request.url)
 		return await offline(event, e)
 	}
 }
@@ -100,18 +100,22 @@ async function cleanupCache() {
 }
 
 self.addEventListener('install', event => {
-	console.log('SERVICE WORKER: install')
+	console.debug('SERVICE WORKER: install')
 	self.skipWaiting()
 	event.waitUntil(precache())
 })
 
 self.addEventListener('activate', event => {
-	console.log('SERVICE WORKER: activate')
+	console.debug('SERVICE WORKER: activate')
 	self.clients.claim()
 	event.waitUntil(cleanupCache())
 })
 
 self.addEventListener('fetch', event => {
-	//console.log('SERVICE WORKER: fetch', event.request.url)
+	// console.debug('SERVICE WORKER: fetch', event.request.url)
+
+	if ({{ .DevMode }})
+		return event
+
 	event.respondWith(fetchAsset(event))
 })