From 2aaf5244da219bc56ca013e785247a2cc205e949 Mon Sep 17 00:00:00 2001
From: maiieul <maieul.chevalier@gmail.com>
Date: Wed, 4 Sep 2024 21:47:52 +0200
Subject: [PATCH] chore: start the experiment with modulepreload on qwik.dev

---
 packages/docs/src/entry.ssr.tsx | 11 +++++++++++
 packages/docs/src/root.tsx      |  6 ++++--
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/packages/docs/src/entry.ssr.tsx b/packages/docs/src/entry.ssr.tsx
index b88f9909ae5..9c52a04b6eb 100644
--- a/packages/docs/src/entry.ssr.tsx
+++ b/packages/docs/src/entry.ssr.tsx
@@ -14,5 +14,16 @@ export default function (opts: RenderToStreamOptions) {
       lang: 'en',
       ...opts.containerAttributes,
     },
+    // Core Web Vitals experiment until October 1: Do not remove and do not bring back any SW until then! Reach out to @maiieul first if you believe you have a good reason to change this.
+    prefetchStrategy: {
+      implementation: {
+        linkInsert: 'html-append',
+        linkRel: 'modulepreload',
+      },
+    },
+    // Core Web Vitals experiment until October 1: Do not remove and do not bring back any SW until then! Reach out to @maiieul first if you believe you have a good reason to change this.
+    qwikPrefetchServiceWorker: {
+      include: false,
+    },
   });
 }
diff --git a/packages/docs/src/root.tsx b/packages/docs/src/root.tsx
index 4e1863e46e6..6632be0ff7e 100644
--- a/packages/docs/src/root.tsx
+++ b/packages/docs/src/root.tsx
@@ -1,5 +1,5 @@
 import { component$, useContextProvider, useStore } from '@builder.io/qwik';
-import { QwikCityProvider, RouterOutlet, ServiceWorkerRegister } from '@builder.io/qwik-city';
+import { QwikCityProvider, RouterOutlet } from '@builder.io/qwik-city';
 import RealMetricsOptimization from './components/real-metrics-optimization/real-metrics-optimization';
 import { RouterHead } from './components/router-head/router-head';
 import { GlobalStore, type SiteStore } from './context';
@@ -54,7 +54,8 @@ export default component$(() => {
         <meta charset="utf-8" />
         <script dangerouslySetInnerHTML={uwu} />
         <RouterHead />
-        <ServiceWorkerRegister />
+        {/* Core Web Vitals experiment until October 1: Do not bring back any SW until then! Reach out to @maiieul first if you believe you have a good reason to change this. */}
+        {/* <ServiceWorkerRegister /> */}
         {/* <script dangerouslySetInnerHTML={`(${collectSymbols})()`} /> */}
         <Insights publicApiKey={import.meta.env.PUBLIC_QWIK_INSIGHTS_KEY} />
       </head>
@@ -66,6 +67,7 @@ export default component$(() => {
       >
         <RouterOutlet />
         <RealMetricsOptimization builderApiKey={BUILDER_PUBLIC_API_KEY} />
+        {/* Core Web Vitals experiment until October 1: Do not bring back any SW until then! Reach out to @maiieul first if you believe you have a good reason to change this. */}
       </body>
     </QwikCityProvider>
   );