diff --git a/api.php b/api.php
index f5c5102..534fb9f 100644
--- a/api.php
+++ b/api.php
@@ -28,18 +28,18 @@ if (isset($_GET["url"])) {
             include 'head.php';
             ?>
             <body>
-                <div class="wrapper">
+                <div itemscope itemtype="http://schema.org/VideoObject" class="wrapper">
             <div class="main">
                 <?php
                 include 'logo.php';
                 ?>
-            <p>You are going to download<i>
-                <a id="video_link" data-ext="<?php echo $video->ext; ?>" data-video="<?php echo $video->url; ?>" href="<?php echo $video->webpage_url; ?>">
+            <p>You are going to download<i itemprop="name">
+                <a itemprop="url" id="video_link" data-ext="<?php echo $video->ext; ?>" data-video="<?php echo $video->url; ?>" href="<?php echo $video->webpage_url; ?>">
             <?php
             echo $video->title;
             ?></a></i>. <img class="cast_icon" id="cast_disabled" src="img/ic_media_route_disabled_holo_light.png" alt="Google Cast™ is disabled" title="Google Cast is not supported on this browser." /><img class="cast_btn cast_hidden cast_icon" id="cast_btn_launch" src="img/ic_media_route_off_holo_light.png" title="Cast to ChromeCast" alt="Google Cast™" /><img src="img/ic_media_route_on_holo_light.png" alt="Casting to ChromeCast…" title="Stop casting" id="cast_btn_stop" class="cast_btn cast_hidden cast_icon" /></p>
             <?php
-            echo '<img class="thumb" src="',
+            echo '<img itemprop="image" class="thumb" src="',
                 $video->thumbnail, '" alt="" />';
             ?><br/>
             <form action="api.php">
@@ -53,9 +53,9 @@ if (isset($_GET["url"])) {
                 <ul id="format" class="format">
                 <?php
                 foreach ($video->formats as $format) {
-                    echo '<li>';
-                    echo '<a href="', $format->url ,'">';
-                    echo $format->format, ' (',  $format->ext, ')';
+                    echo '<li itemprop="encoding" itemscope itemtype="http://schema.org/VideoObject">';
+                    echo '<a itemprop="contentUrl" href="', $format->url ,'">';
+                    echo '<span itemprop="videoQuality">', $format->format, '</span> (<span itemprop="encodingFormat">',  $format->ext, '</span>)';
                     echo '</a></li>';
                 }
                 ?>
