diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
index c30055f..90f38fc 100644
--- a/.github/workflows/publish.yaml
+++ b/.github/workflows/publish.yaml
@@ -1,14 +1,23 @@
 name: Publish website
 
-on: 
+# The site is published by the cartiflette repository (docs.yml), at
+# https://inseefrlab.github.io/cartiflette/, with the client of that
+# repository. This repository:
+# - on a pull request, renders the site to check it;
+# - on main, publishes only a redirect to that address on its own GitHub
+#   Pages (old links keep working, see redirect/index.html), then asks the
+#   cartiflette repository to republish the site.
+
+on:
   push:
     branches:
       - main
-      - master
+  pull_request:
   workflow_dispatch:
 
 jobs:
-  publish:
+  check:
+    if: github.event_name == 'pull_request'
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
@@ -32,15 +41,33 @@ jobs:
           # _brand.yml (identité visuelle) demande Quarto 1.6 ou plus
           version: 1.10.18
 
-      - name: Render FR version
+      - name: Render the site
         uses: quarto-dev/quarto-actions/render@v2
         env:
           QUARTO_PROFILE: complete
-      - name: Publish to GitHub Pages (and render)
-        uses: quarto-dev/quarto-actions/publish@v2
+
+  publish:
+    if: github.event_name != 'pull_request'
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      # Every path of the former site falls back on 404.html: same redirect
+      - name: Prepare the redirect
+        run: cp redirect/index.html redirect/404.html
+
+      - name: Publish the redirect to GitHub Pages
+        uses: peaceiris/actions-gh-pages@v4
         with:
-          render: false
-          target: gh-pages
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_branch: gh-pages
+          publish_dir: ./redirect
+          # Only the redirect: the pages of the former site are removed
+          force_orphan: true
+          commit_message: "Redirection vers https://inseefrlab.github.io/cartiflette/"
 
       - name: Rebuild the site published by cartiflette
         env:
diff --git a/README.md b/README.md
index 7f227bc..c9903a2 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,15 @@ uv pip install ../cartiflette/python-package/cartiflette
 
 ## Publication
 
-`.github/workflows/publish.yaml` rend le site (profil `complete`) à chaque push sur
-`main` et le publie sur GitHub Pages. Il demande ensuite au dépôt cartiflette de
-republier le site complet, qui y ajoute la documentation technique sous `doc/` et
-utilise le client de ce dépôt-là (`docs.yml`).
+Le site est publié par le dépôt [cartiflette](https://github.com/InseeFrLab/cartiflette)
+(`.github/workflows/docs.yml`), à l'adresse <https://inseefrlab.github.io/cartiflette/>,
+avec la documentation technique sous `doc/` et le client de ce dépôt-là.
+
+`.github/workflows/publish.yaml` :
+
+- sur une pull request, rend le site (profil `complete`) pour le vérifier ;
+- à chaque push sur `main`, demande au dépôt cartiflette de republier le site, et
+  ne publie sur les GitHub Pages de ce dépôt qu'une redirection
+  (`redirect/index.html`, servie aussi comme `404.html`) : les anciennes adresses
+  `https://inseefrlab.github.io/cartiflette-website/...` renvoient vers la même page
+  du nouveau site.
diff --git a/_quarto.yml b/_quarto.yml
index b7bf87c..1b07472 100644
--- a/_quarto.yml
+++ b/_quarto.yml
@@ -9,7 +9,7 @@ lang: fr
 website:
   title: "cartiflette"
   description: "Les fonds de carte officiels français, en une ligne de code"
-  site-url: https://inseefrlab.github.io/cartiflette-website/
+  site-url: https://inseefrlab.github.io/cartiflette/
   favicon: images/logo.png
   page-navigation: true
   navbar:
diff --git a/redirect/index.html b/redirect/index.html
new file mode 100644
index 0000000..0af6fd9
--- /dev/null
+++ b/redirect/index.html
@@ -0,0 +1,25 @@
+<!doctype html>
+<html lang="fr">
+<head>
+  <meta charset="utf-8">
+  <title>cartiflette a déménagé</title>
+  <!-- Le site est publié par le dépôt cartiflette (docs.yml). Ce dépôt ne
+       publie plus que cette page, servie aussi comme 404.html : toute
+       ancienne adresse renvoie vers la même page du nouveau site. -->
+  <link rel="canonical" href="https://inseefrlab.github.io/cartiflette/">
+  <meta http-equiv="refresh" content="0; url=https://inseefrlab.github.io/cartiflette/">
+  <script>
+    // /cartiflette-website/use-case/usecase1.html -> /cartiflette/use-case/usecase1.html
+    const page = location.pathname.replace(/^\/cartiflette-website\/?/, "");
+    location.replace(
+      "https://inseefrlab.github.io/cartiflette/" + page + location.search + location.hash
+    );
+  </script>
+</head>
+<body>
+  <p>
+    Le site de cartiflette est maintenant à l'adresse
+    <a href="https://inseefrlab.github.io/cartiflette/">https://inseefrlab.github.io/cartiflette/</a>.
+  </p>
+</body>
+</html>