diff --git a/site/package-lock.json b/site/package-lock.json
index 066ae36be6..d217a34891 100644
--- a/site/package-lock.json
+++ b/site/package-lock.json
@@ -12,6 +12,9 @@
         "@tailwindcss/vite": "^4.0.0",
         "astro": "^6.0.4",
         "tailwindcss": "^4.0.0"
+      },
+      "devDependencies": {
+        "@types/grecaptcha": "^3.0.9"
       }
     },
     "node_modules/@astrojs/compiler": {
@@ -1901,6 +1904,13 @@
       "integrity": "sha512-dWHzHa2WqEXI/O1E9OjrocMTKJl2mSrEolh1Iomrv6U+JuNwaHXsXx9bLu5gG7BUWFIN0skIQJQ/L1rIex4X6w==",
       "license": "MIT"
     },
+    "node_modules/@types/grecaptcha": {
+      "version": "3.0.9",
+      "resolved": "https://registry.npmjs.org/@types/grecaptcha/-/grecaptcha-3.0.9.tgz",
+      "integrity": "sha512-fFxMtjAvXXMYTzDFK5NpcVB7WHnrHVLl00QzEGpuFxSAC789io6M+vjcn+g5FTEamIJtJr/IHkCDsqvJxeWDyw==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@types/hast": {
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/@types/hast/-/hast-3.0.4.tgz",
diff --git a/site/package.json b/site/package.json
index d5170c2266..aff9882de9 100644
--- a/site/package.json
+++ b/site/package.json
@@ -14,5 +14,8 @@
     "@tailwindcss/vite": "^4.0.0",
     "astro": "^6.0.4",
     "tailwindcss": "^4.0.0"
+  },
+  "devDependencies": {
+    "@types/grecaptcha": "^3.0.9"
   }
 }
diff --git a/site/public/robots.txt b/site/public/robots.txt
index b99418a18c..6efa4ae85b 100644
--- a/site/public/robots.txt
+++ b/site/public/robots.txt
@@ -1,4 +1,6 @@
 User-agent: *
 Allow: /
+Disallow: /_assets/
 
 Sitemap: https://synthorg.io/sitemap-index.xml
+Sitemap: https://synthorg.io/docs/sitemap.xml
diff --git a/site/src/components/ContactForm.astro b/site/src/components/ContactForm.astro
index 1d5f01b621..88d94612cb 100644
--- a/site/src/components/ContactForm.astro
+++ b/site/src/components/ContactForm.astro
@@ -1,8 +1,13 @@
+---
+const recaptchaSiteKey = import.meta.env.PUBLIC_RECAPTCHA_SITE_KEY || "6LdQkossAAAAADwxZo5bt8p6az7P3M6I_8k4_ypu";
+---
+
 <form
   id="contact-form"
   action="https://formcarry.com/s/z2vjjRnmz_7"
   method="POST"
   class="bg-[#1a1f2e] rounded-xl p-8 border border-white/10"
+  data-recaptcha-key={recaptchaSiteKey}
 >
   <!-- Honeypot -->
   <input type="text" name="_gotcha" style="display:none" tabindex="-1" autocomplete="off" />
@@ -60,6 +65,8 @@
     ></textarea>
   </div>
 
+  <input type="hidden" id="captchaResponse" name="g-recaptcha-response" />
+
   <button
     type="submit"
     id="contact-submit"
@@ -106,6 +113,23 @@
       errorMsg.classList.add("hidden");
 
       try {
+        // Get fresh reCAPTCHA v3 token before submission
+        const siteKey = form.dataset.recaptchaKey;
+        const captchaInput = form.querySelector<HTMLInputElement>("#captchaResponse");
+        if (typeof grecaptcha === "undefined" || !siteKey || !captchaInput) {
+          errorMsg.textContent = "Security verification unavailable. Please disable ad-blockers or try a different browser.";
+          errorMsg.classList.remove("hidden");
+          errorMsg.focus();
+          return;
+        }
+        let timer: ReturnType<typeof setTimeout>;
+        await Promise.race([
+          new Promise<void>((resolve) => grecaptcha.ready(() => { clearTimeout(timer); resolve(); })),
+          new Promise<void>((_, reject) => { timer = setTimeout(() => reject(new Error("reCAPTCHA timeout")), 5000); }),
+        ]);
+        const token = await grecaptcha.execute(siteKey, { action: "contact" });
+        captchaInput.value = token;
+
         const res = await fetch(form.action, {
           method: "POST",
           body: new FormData(form),
diff --git a/site/src/layouts/Base.astro b/site/src/layouts/Base.astro
index 62ff812a3b..0cc0ba79fd 100644
--- a/site/src/layouts/Base.astro
+++ b/site/src/layouts/Base.astro
@@ -1,11 +1,13 @@
 ---
 import "../styles/global.css";
+import Footer from "../components/Footer.astro";
 
 interface Props {
   title: string;
   description?: string;
   image?: string;
   type?: string;
+  enableRecaptcha?: boolean;
 }
 
 const {
@@ -13,10 +15,12 @@ const {
   description = "Framework for building synthetic organizations — autonomous AI agents orchestrated as a virtual company",
   image = "/og-image.png",
   type = "website",
+  enableRecaptcha = false,
 } = Astro.props;
 
 const ogImageUrl = new URL(image, Astro.site);
 const canonicalUrl = Astro.url;
+const recaptchaSiteKey = import.meta.env.PUBLIC_RECAPTCHA_SITE_KEY || "6LdQkossAAAAADwxZo5bt8p6az7P3M6I_8k4_ypu";
 ---
 
 <!doctype html>
@@ -64,8 +68,15 @@ const canonicalUrl = Astro.url;
     </noscript>
   </head>
   <body class="bg-[#0F1219] text-white font-['Inter',sans-serif] antialiased">
-    <slot />
+    <main>
+      <slot />
+    </main>
+    <Footer />
     <!-- GitHub buttons (https://buttons.github.io/) -->
     <script async defer src="https://buttons.github.io/buttons.js"></script>
+    {enableRecaptcha && (
+      <!-- Google reCAPTCHA v3 (contact form spam protection) -->
+      <script async defer src={`https://www.google.com/recaptcha/api.js?render=${recaptchaSiteKey}`}></script>
+    )}
   </body>
 </html>
diff --git a/site/src/pages/get/index.astro b/site/src/pages/get/index.astro
index 2c60b30e49..32d6d22299 100644
--- a/site/src/pages/get/index.astro
+++ b/site/src/pages/get/index.astro
@@ -1,6 +1,5 @@
 ---
 import Base from "../../layouts/Base.astro";
-import Footer from "../../components/Footer.astro";
 ---
 
 <Base title="Get SynthOrg — Install the CLI">
@@ -220,11 +219,6 @@ import Footer from "../../components/Footer.astro";
     </div>
   </section>
 
-  <!-- ============================================================ -->
-  <!-- FOOTER -->
-  <!-- ============================================================ -->
-  <Footer />
-
   <!-- Screen-reader live region for copy status -->
   <span id="copy-status" class="sr-only" role="status" aria-live="polite"></span>
 
diff --git a/site/src/pages/index.astro b/site/src/pages/index.astro
index 72bf80c641..3fa1940dce 100644
--- a/site/src/pages/index.astro
+++ b/site/src/pages/index.astro
@@ -1,12 +1,11 @@
 ---
 import Base from "../layouts/Base.astro";
-import Footer from "../components/Footer.astro";
 import ContactForm from "../components/ContactForm.astro";
 
 const description = "Framework for building synthetic organizations — autonomous AI agents orchestrated as a virtual company";
 ---
 
-<Base title="SynthOrg — Build Synthetic Organizations" description={description}>
+<Base title="SynthOrg — Build Synthetic Organizations" description={description} enableRecaptcha={true}>
   <!-- ============================================================ -->
   <!-- HERO (Dark) -->
   <!-- ============================================================ -->
@@ -432,11 +431,6 @@ const description = "Framework for building synthetic organizations — autonomo
     </div>
   </section>
 
-  <!-- ============================================================ -->
-  <!-- FOOTER -->
-  <!-- ============================================================ -->
-  <Footer />
-
   <!-- JSON-LD Structured Data -->
   <script type="application/ld+json" set:html={JSON.stringify({
     "@context": "https://schema.org",