diff --git a/server_files/controllers/informations.php b/server_files/controllers/informations.php
index 9e463f1..46b5659 100644
--- a/server_files/controllers/informations.php
+++ b/server_files/controllers/informations.php
@@ -41,6 +41,14 @@ if (isset($_POST["attribute_team"])) {
 	}
 }
 
+if (isset($_POST["view_as"]) && $_SESSION["role"] == Role::ADMIN) {
+    if (!isset($_SESSION["admin"]))
+        $_SESSION["admin"] = $_SESSION["user_id"];
+    $_SESSION["user_id"] = $user->getId();
+    header("Location: /");
+    exit();
+}
+
 class AttributeTeam
 {
     private $team_id;
diff --git a/server_files/model.php b/server_files/model.php
index 26f5c15..07aeeaa 100644
--- a/server_files/model.php
+++ b/server_files/model.php
@@ -19,6 +19,15 @@ function loadUserValues()
 		if ($user->getTeamId() !== null)
 			$_SESSION["team"] = Team::fromId($user->getTeamId());
 	}
+
+	if (isset($_GET["view-as-admin"])) {
+	    if (isset($_SESSION["admin"])) {
+	        $_SESSION["user_id"] = $_SESSION["admin"];
+	        unset($_SESSION["admin"]);
+        }
+	    header("Location: /");
+	    exit();
+    }
 }
 
 function quitTeam($user_id = -1)
@@ -277,17 +286,23 @@ function exportProblemsData() {
 
 function displayVideo($link)
 {
-	if (preg_match("#(https?\://|)(www\.|)youtube\.com\/watch\?v=(.*)#", $link, $matches)) {
+	if (preg_match("#(https?://|)(www\.|)youtube\.com/watch\?v=(.*)#", $link, $matches)) {
 		$code = $matches[3];
-		echo "<center><iframe width=\"854px\" height=\"480px\" src=\"https://www.youtube.com/embed/$code\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen></iframe></center><br />\n";
+        /** @noinspection HtmlDeprecatedAttribute */
+        /** @noinspection HtmlDeprecatedTag */
+        echo "<center><iframe width=\"854px\" height=\"480px\" src=\"https://www.youtube.com/embed/$code\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen></iframe></center><br />\n";
 	}
-	elseif (preg_match("#(https?\://|)(www\.|)vimeo\.com/([0-9]*)#", $link, $matches)) {
+	elseif (preg_match("#(https?://|)(www\.|)vimeo\.com/([0-9]*)#", $link, $matches)) {
 		$code = $matches[3];
-		echo "<center><iframe src=\"https://player.vimeo.com/video/$code?color=3be6c3\" width=\"853\" height=\"480\" frameborder=\"0\" allow=\"autoplay; fullscreen\" allowfullscreen></iframe></center>";
+        /** @noinspection HtmlDeprecatedAttribute */
+        /** @noinspection HtmlDeprecatedTag */
+        echo "<center><iframe src=\"https://player.vimeo.com/video/$code?color=3be6c3\" width=\"853\" height=\"480\" frameborder=\"0\" allow=\"autoplay; fullscreen\" allowfullscreen></iframe></center>";
 
 	}
-	elseif (preg_match("#(https?\://|)(www\.|)dailymotion\.com/video/(.*)#", $link, $matches)) {
+	elseif (preg_match("#(https?://|)(www\.|)dailymotion\.com/video/(.*)#", $link, $matches)) {
 		$code = $matches[3];
+        /** @noinspection HtmlDeprecatedAttribute */
+        /** @noinspection HtmlDeprecatedTag */
 		echo "<center><iframe frameborder=\"0\" width=\"853\" height=\"480\" src=\"https://www.dailymotion.com/embed/video/$code\" allowfullscreen allow=\"autoplay\"></iframe></center>";
 	}
 }
\ No newline at end of file
diff --git a/server_files/views/header.php b/server_files/views/header.php
index 336dc07..0331485 100644
--- a/server_files/views/header.php
+++ b/server_files/views/header.php
@@ -96,6 +96,11 @@
             </ul>
 
             <ul class="navbar-nav">
+                <?php if (isset($_SESSION["admin"])) { ?>
+                    <li class="nav-item active">
+                        <a class="nav-link" href="/?view-as-admin">Retourner en vue administrateur</a>
+                    </li>
+                <?php } ?>
 				<?php if (isset($_SESSION["user_id"])) { ?>
                     <li class="nav-item active">
                         <a class="nav-link" href="/deconnexion">Déconnexion</a>
diff --git a/server_files/views/informations.php b/server_files/views/informations.php
index 2e2ef6e..1b176bb 100644
--- a/server_files/views/informations.php
+++ b/server_files/views/informations.php
@@ -98,4 +98,13 @@ if (!$has_error) {
 	printDocuments($documents);
 }
 
+if ($_SESSION["role"] == Role::ADMIN && $_SESSION["user_id"] != $user->getId()) { ?>
+    <hr />
+
+    <form method="POST">
+        <input type="submit" name="view_as" class="btn btn-secondary btn-lg btn-block" style="background-color: #ff2e34"
+               value="Afficher le site en tant que <?= $user->getFirstName() . " " . $user->getSurname() ?>" />
+    </form>
+<?php }
+
 require_once "footer.php";
\ No newline at end of file