How to embed rss feeds to html

I have a file rss.php which i thing works fine but i need a way to output the result in my main page in a form that is readable. Any suggestions?

rss.php code

<?php
    //rss
header("Content-type: application/xml");
//header("Content-type: text/xml");

    //code to connect to db and querry for the results


    echo "<?xml version='1.0' encoding='UTF-8'?>
    <rss version='2.0'>
    <channel>
    <desc>intro</desc>
    <date_created></date_created>
    <created_by></created_by>";

    while($row = mysqli_fetch_array($result)) {
    $desc= $row['desc'];
    $date_created = $row['date_created'];
    $created_by = $row['created_by'];
        echo "<item>
          <desc> $perigrafi </desc>
             <date_created> $date_created </date_created>
             <created_by> $created_by </created_by>
        </item>";
     }

  echo"</channel>
  </rss>";

mysqli_close($con);
?>