diff --git a/next-sitemap.config.js b/next-sitemap.config.js
index b77dd945..0e2f2c95 100644
--- a/next-sitemap.config.js
+++ b/next-sitemap.config.js
@@ -2,15 +2,16 @@ const isDeployment = !!process.env.VERCEL_URL;
 
 const priorities = {
   "/": 1.0,
+  "/simulation": 1.0,
   "/stats": 0.5,
-  "/healthz": 0,
 };
 
 /** @type {import('next-sitemap').IConfig} */
 const config = {
-  generateRobotsTxt: false,
+  generateRobotsTxt: true,
   siteUrl: isDeployment ? `https://${process.env.VERCEL_URL}` : "http://localhost:3000",
   changefreq: "weekly",
+  exclude: ["/debug", "/debug/*", "/healthz", "/blog/playground"],
   transform: async (config, path) => {
     return {
       loc: path,
@@ -20,6 +21,15 @@ const config = {
       changefreq: config.changefreq,
     };
   },
+  robotsTxtOptions: {
+    policies: [
+      {
+        userAgent: "*",
+        allow: "/",
+        disallow: ["/debug", "/debug/*", "/healthz", "/blog/playground"],
+      },
+    ],
+  },
 };
 
 module.exports = config;
diff --git a/src/app/(decorated)/(center)/blog/[slug]/page.tsx b/src/app/(decorated)/(center)/blog/[slug]/page.tsx
index 13abd74c..f557e07b 100644
--- a/src/app/(decorated)/(center)/blog/[slug]/page.tsx
+++ b/src/app/(decorated)/(center)/blog/[slug]/page.tsx
@@ -2,7 +2,6 @@ import { type Metadata } from "next";
 import Image from "next/image";
 import { notFound } from "next/navigation";
 
-import { baseUrl } from "@/app/sitemap";
 import { Button } from "@/components/Button";
 import { config } from "@/config";
 import { H2 } from "@/dsfr/base/typography";
@@ -10,6 +9,8 @@ import { cn } from "@/utils/cn";
 
 import { formatDate, getBlogPost, getBlogPosts } from "../utils";
 
+const baseUrl = config.host;
+
 export async function generateStaticParams() {
   const posts = await getBlogPosts();
 
diff --git a/src/app/tally/page.tsx b/src/app/debug/tally/page.tsx
similarity index 100%
rename from src/app/tally/page.tsx
rename to src/app/debug/tally/page.tsx
diff --git a/src/app/robots.ts b/src/app/robots.ts
deleted file mode 100644
index 2bb7e9c3..00000000
--- a/src/app/robots.ts
+++ /dev/null
@@ -1,23 +0,0 @@
-import { type MetadataRoute } from "next";
-
-import { config } from "@/config";
-
-const robots = (): MetadataRoute.Robots => {
-  return config.env === "prod"
-    ? {
-        rules: {
-          userAgent: "*",
-          allow: "/",
-          disallow: "/private/",
-        },
-        sitemap: "/sitemap.xml",
-      }
-    : {
-        rules: {
-          userAgent: "*",
-          disallow: "/",
-        },
-      };
-};
-
-export default robots;
diff --git a/src/app/sitemap.ts b/src/app/sitemap.ts
deleted file mode 100644
index 3412c6bd..00000000
--- a/src/app/sitemap.ts
+++ /dev/null
@@ -1,32 +0,0 @@
-import { type MetadataRoute } from "next";
-
-import { config } from "@/config";
-
-import { getBlogPosts } from "./(decorated)/(center)/blog/utils";
-
-export const baseUrl = config.host || "https://pacoupa.ademe.fr/";
-
-export default async function sitemap(): Promise<MetadataRoute.Sitemap> {
-  const blogs = (await getBlogPosts()).map(post => ({
-    url: `${baseUrl}/blog/${post.slug}`,
-    lastModified: post.frontmatter.publishedAt,
-  }));
-
-  const lastModified = new Date().toISOString().split("T")[0];
-
-  const routes = [
-    { url: `${baseUrl}/`, lastModified },
-    { url: `${baseUrl}/simulation`, lastModified },
-    { url: `${baseUrl}/contact`, lastModified },
-    { url: `${baseUrl}/faq`, lastModified },
-    { url: `${baseUrl}/methodologie`, lastModified },
-    { url: `${baseUrl}/accessibilite`, lastModified },
-    { url: `${baseUrl}/mentions-legales`, lastModified },
-    { url: `${baseUrl}/cgu`, lastModified },
-    { url: `${baseUrl}/politique-de-confidentialite`, lastModified },
-    { url: `${baseUrl}/politique-des-cookies`, lastModified },
-    { url: `${baseUrl}/blog`, lastModified },
-  ] as MetadataRoute.Sitemap;
-
-  return [...routes, ...blogs];
-}
diff --git a/src/config.ts b/src/config.ts
index ca01734c..27f9fc09 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -1,5 +1,5 @@
 export const config = {
-  host: process.env.NEXT_PUBLIC_SITE_URL!,
+  host: process.env.NEXT_PUBLIC_SITE_URL! || "https://pacoupa.ademe.fr/",
   name: "Pacoupa",
   tagline:
     "Conseiller les copropriétaires dans l'installation de systèmes de chauffage décarbonés adaptés à leur logement",