diff --git a/src/content/index.md b/src/content/index.md
index 75f444c..ec7b7db 100644
--- a/src/content/index.md
+++ b/src/content/index.md
@@ -1,3 +1,3 @@
 # Hello world
 
-<iframe width="425" height="350" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" src="https://www.openstreetmap.org/export/embed.html?bbox=-0.11535644531250001%2C48.09642606004488%2C3.5925292968750004%2C49.47169378524674&amp;layer=mapnik" style="border: 1px solid black"></iframe><br/><small><a href="https://www.openstreetmap.org/#map=9/48.7888/1.7386">Afficher une carte plus grande</a></small>
+<iframe width="800" height="600" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" src="https://www.openstreetmap.org/export/embed.html?bbox=-0.11535644531250001%2C48.09642606004488%2C3.5925292968750004%2C49.47169378524674&amp;layer=mapnik" style="border: 1px solid black"></iframe><br/><small><a href="https://www.openstreetmap.org/#map=9/48.7888/1.7386">Afficher une carte plus grande</a></small>
diff --git a/src/permap.ml b/src/permap.ml
index 74536ed..f33e0d6 100644
--- a/src/permap.ml
+++ b/src/permap.ml
@@ -41,7 +41,23 @@ let page_of_name name =
 
 let homepage _request = page_of_name "index"
 
-let register _request = page_of_name "register"
+let register_get request = render_unsafe (Register.f request)
+
+let register_post request =
+  match%lwt Dream.form request with
+  | `Ok [ ("email", email); ("nick", nick); ("password", password) ] ->
+    render_unsafe (Register.f ~nick ~email ~password request)
+  | _ -> assert false
+
+let login_get request = render_unsafe (Login.f request)
+
+let login_post request =
+  match%lwt Dream.form request with
+  | `Ok [ ("nick", nick); ("password", password) ] ->
+    render_unsafe (Login.f ~nick ~password request)
+  | _ -> assert false
+
+let user request = render_unsafe (User.list request)
 
 let () =
   Dream.run ~interface:"0.0.0.0"
@@ -49,19 +65,10 @@ let () =
   @@ Dream.router
        [ Dream.get "/assets/**" (Dream.static ~loader:asset_loader "")
        ; Dream.get "/" homepage
-       ; Dream.get "/register" (fun request ->
-             render_unsafe (Register.f request) )
-       ; Dream.post "/register" (fun request ->
-             match%lwt Dream.form request with
-             | `Ok [ ("email", email); ("nick", nick); ("password", password) ]
-               ->
-               render_unsafe (Register.f ~nick ~email ~password request)
-             | _ -> assert false )
-       ; Dream.get "/login" (fun request -> render_unsafe (Login.f request))
-       ; Dream.post "/login" (fun request ->
-             match%lwt Dream.form request with
-             | `Ok [ ("nick", nick); ("password", password) ] ->
-               render_unsafe (Login.f ~nick ~password request)
-             | _ -> assert false )
+       ; Dream.get "/register" register_get
+       ; Dream.post "/register" register_post
+       ; Dream.get "/login" login_get
+       ; Dream.post "/login" login_post
+       ; Dream.get "/user" user
        ]
   @@ Dream.not_found
diff --git a/src/template.eml.html b/src/template.eml.html
index ef85507..3a1cef9 100644
--- a/src/template.eml.html
+++ b/src/template.eml.html
@@ -11,7 +11,7 @@ let render_unsafe ~title ~content =
       <header>
           <nav class="navbar navbar-expand-md navbar-dark fixed-top bg-dark">
               <div class="container-fluid">
-                <a class="navbar-brand" href="/">permap</a>
+                <a class="navbar-brand" href="/"><img src="/assets/img/favicon.png" alt="Permap" height="42" /></a>
                   <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarCollapse" aria-controls="navbarCollapse" aria-expanded="false" aria-label="Toggle navigation">
                       <span class="navbar-toggler-icon"></span>
                   </button>
@@ -26,6 +26,9 @@ let render_unsafe ~title ~content =
                           <li class="nav-item">
                               <a class="nav-link" href="/login">Login</a>
                           </li>
+                          <li class="nav-item">
+                              <a class="nav-link" href="/user">Users</a>
+                          </li>
                       </ul>
                   </div>
               </div>
diff --git a/src/user.ml b/src/user.ml
index 1ce3507..3372a8a 100644
--- a/src/user.ml
+++ b/src/user.ml
@@ -69,3 +69,19 @@ let register ~email ~nick ~password =
       | Error e -> Error (Format.sprintf "db error: %s" (Rc.to_string e)) )
     | Ok _ -> Error "nick or email already exists"
     | Error e -> Error (Format.sprintf "db error: %s" (Rc.to_string e))
+
+let list _request =
+  let open Sqlite3_utils in
+  let users =
+    Db.with_db (fun db ->
+        exec_raw_args db "SELECT nick FROM user;" [||] ~f:Cursor.to_list )
+  in
+  match users with
+  | Error e -> Format.sprintf "db error: %s" (Rc.to_string e)
+  | Ok users ->
+    Format.asprintf "<ul>%a</ul>"
+      (Format.pp_print_list (fun fmt -> function
+         | [| Data.TEXT s |] ->
+           Format.fprintf fmt {|<li><a href="/user/%s">%s</a></li>|} s s
+         | _ -> failwith "error" ) )
+      users