It looks like this is a web page, not a feed. I looked for a feed associated with this page, but couldn't find one. Please enter the address of your feed to validate.

Source: http://www.articledude.com/classifieds/user/profile/399893

  1.  <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  2.  <html xmlns="http://www.w3.org/1999/xhtml" dir="ltr" lang="en-US" xml:lang="en-US">
  3.    <head>
  4.      <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
  5.      <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=5.0"/>
  6.      <title>Osclass Error</title>
  7.      <link href="https://fonts.googleapis.com/css2?family=EB+Garamond:wght@400&family=Nunito:wght@300;600&display=swap" rel="stylesheet">
  8.      <link rel="stylesheet" type="text/css" media="all" href="http://www.articledude.com/classifieds/user/profile/399893oc-includes/osclass/installer/install.css?v=20251105090005"/>
  9.    </head>
  10.    <body class="page-error">
  11.      <h1>Osclass Error</h1>
  12.      <p>Osclass database server is not available. <a href="https://forums.osclasspoint.com/">Need more help?</a></p>
  13.    </body>
  14.  </html>
  15.  
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda