diff --git a/apps/website/index.html b/apps/website/index.html
index 859951ef7e..70b71646ba 100644
--- a/apps/website/index.html
+++ b/apps/website/index.html
@@ -6,7 +6,7 @@
   <link rel="icon" type="image/png" sizes="32x32" href="favicon-32x32.png" />
   <link rel="icon" type="image/png" sizes="16x16" href="favicon-16x16.png" />
   <link rel="apple-touch-icon" sizes="180x180" href="apple-touch-icon.png" />
-  <link rel="manifest" href="/manifest.json" />
+  <link rel="manifest" href="manifest.json" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <meta name="mobile-web-app-capable" content="yes" />
   <meta name="apple-mobile-web-app-capable" content="yes" />
diff --git a/apps/website/vite.config.ts b/apps/website/vite.config.ts
index 14c4f63750..ade4a556b1 100644
--- a/apps/website/vite.config.ts
+++ b/apps/website/vite.config.ts
@@ -4,7 +4,11 @@ import path from 'path'
 
 // https://vite.dev/config/
 export default defineConfig(() => ({
-  base: '/', // Custom domain t27.ai (no subpath)
+  // Relative base so the built SPA works wherever it is served from: the apex
+  // (t27.ai/) and the project-pages subpath (t27.ai/trinity/) alike. With '/'
+  // the subpath deploy asked for /assets/... at the apex root, got 404s, and
+  // the page rendered blank. Safe here because routing is HashRouter.
+  base: './',
   plugins: [react()],
   resolve: {
     alias: {