diff --git a/apps/installer/package.json b/apps/installer/package.json
index 7e5251d4..aca50a24 100644
--- a/apps/installer/package.json
+++ b/apps/installer/package.json
@@ -15,6 +15,7 @@
   },
   "dependencies": {
     "@hono/node-server": "^1.13.0",
+    "@profullstack/footer": "^0.2.6",
     "hono": "^4.6.0"
   },
   "devDependencies": {
diff --git a/apps/installer/src/server.ts b/apps/installer/src/server.ts
index 39b595bd..22f0b09b 100644
--- a/apps/installer/src/server.ts
+++ b/apps/installer/src/server.ts
@@ -2,6 +2,7 @@ import { serve } from '@hono/node-server';
 import { Hono } from 'hono';
 import { cors } from 'hono/cors';
 import { logger } from 'hono/logger';
+import { descriptor, escapeHtml, footerHtml } from '@profullstack/footer';
 import { existsSync, readFileSync } from 'node:fs';
 import { join, dirname } from 'node:path';
 import { fileURLToPath } from 'node:url';
@@ -107,9 +108,67 @@ app.get('/health', async (c) => {
   });
 });
 
-// Root - service info
+// The site's homepage, as the Profullstack webring and the built.indie / pwamart
+// badges know it.
+const SITE = `${BASE_URL.replace(/\/+$/, '')}/`;
+
+// Browsers (and crawlers such as the ring verifier) get an HTML page with the
+// install commands and the server-rendered Profullstack footer; scripts and
+// `curl` (Accept: */* or application/json) keep getting the JSON service info.
+function wantsHtml(accept: string | undefined): boolean {
+  return /text\/html/i.test(accept ?? '');
+}
+
+async function landingPage(latestVersion: string): Promise<string> {
+  const unix = `curl -fsSL ${BASE_URL}/install.sh | bash`;
+  const windows = `irm ${BASE_URL}/install.ps1 | iex`;
+  const footer = await footerHtml({ site: SITE, name: 'PairUX Installer' });
+  return `<!doctype html>
+<html lang="en">
+<head>
+<meta charset="utf-8">
+<meta name="viewport" content="width=device-width,initial-scale=1">
+<title>Install PairUX</title>
+<meta name="description" content="Install the PairUX desktop app with one command on macOS, Linux or Windows.">
+<link rel="canonical" href="${escapeHtml(SITE)}">
+<style>
+:root{color-scheme:light dark;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}
+body{margin:0;background:Canvas;color:CanvasText}
+main{max-width:46rem;margin:0 auto;padding:3rem 1rem 2rem}
+h1{font-size:1.75rem;margin:0 0 .25rem}
+h2{font-size:1.05rem;margin:2rem 0 .5rem}
+pre{overflow-x:auto;padding:.75rem 1rem;border-radius:.5rem;background:color-mix(in srgb,CanvasText 8%,Canvas)}
+a{color:inherit}
+.muted{opacity:.75}
+</style>
+</head>
+<body>
+<main>
+<h1>Install PairUX</h1>
+<p class="muted">Latest release: ${escapeHtml(latestVersion)}. <a href="https://pairux.com/">pairux.com</a></p>
+<h2>macOS and Linux</h2>
+<pre><code>${escapeHtml(unix)}</code></pre>
+<h2>Windows (PowerShell)</h2>
+<pre><code>${escapeHtml(windows)}</code></pre>
+<h2>Downloads</h2>
+<p><a href="https://github.com/${escapeHtml(GITHUB_REPO)}/releases">All releases on GitHub</a> &middot; <a href="/api/releases">/api/releases</a> &middot; <a href="/api/version">/api/version</a></p>
+</main>
+${footer}
+</body>
+</html>`;
+}
+
+app.get('/.well-known/openwebring.json', (c) =>
+  c.json(descriptor({ site: SITE, name: 'PairUX Installer' }))
+);
+
+// Root - HTML landing page for browsers, service info JSON for everything else
 app.get('/', async (c) => {
   const latestVersion = await getLatestVersion();
+  c.header('Vary', 'Accept');
+  if (wantsHtml(c.req.header('accept'))) {
+    return c.html(await landingPage(latestVersion));
+  }
   return c.json({
     name: 'PairUX Installer Service',
     version: getPackageVersion(),
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 84cd5233..ad9ae2d5 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -221,6 +221,9 @@ importers:
       '@hono/node-server':
         specifier: ^1.19.10
         version: 1.19.14(hono@4.12.25)
+      '@profullstack/footer':
+        specifier: ^0.2.6
+        version: 0.2.6(react@19.2.3)
       hono:
         specifier: ^4.12.4
         version: 4.12.25
@@ -370,7 +373,7 @@ importers:
         version: 1.0.3
       '@profullstack/footer':
         specifier: latest
-        version: 0.2.4(react@19.2.3)
+        version: 0.2.6(react@19.2.3)
       '@profullstack/live-translate':
         specifier: ^0.2.1
         version: 0.2.1
@@ -2949,8 +2952,8 @@ packages:
   '@profullstack/emailer@1.0.3':
     resolution: {integrity: sha512-VyAtCcfnSI6LOwJvWogCr3ZNmEsaZw+iuWrqnosLsdcKsbRyCrCmXigMNZJZEjlgYlR+lK//PwNPG+xtCFvWAw==}
 
-  '@profullstack/footer@0.2.4':
-    resolution: {integrity: sha512-2ErIzHJCDA2baP8aK6f7rCHohW4EX+wnp7D1mrVMQTUxRcyZwKzmho96hhEFJndXRBGgxT3H/78BHOeBfLxTzg==}
+  '@profullstack/footer@0.2.6':
+    resolution: {integrity: sha512-BKwbDszAc7e0mYIBiPjgr/5WS8WyDt8IW718s/zW/8pCWOIB1BGwSNs6fmImRSo5kqIjQKUVbXp22jZQ5GEipA==}
     engines: {node: '>=18'}
     hasBin: true
     peerDependencies:
@@ -12117,7 +12120,7 @@ snapshots:
 
   '@profullstack/emailer@1.0.3': {}
 
-  '@profullstack/footer@0.2.4(react@19.2.3)':
+  '@profullstack/footer@0.2.6(react@19.2.3)':
     optionalDependencies:
       react: 19.2.3