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: https://advancedsitestats.com/uptimestat.ru/

  1.  
  2. <!DOCTYPE html>
  3. <html lang="en">
  4. <head>
  5. <meta http-equiv="content-type" content="text/html; charset=UTF-8" />
  6. <meta name="viewport" content="width=device-width, initial-scale=1.0">
  7. <link rel="shortcut icon" href="https://advancedsitestats.com/favicon.ico" />
  8. <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
  9. <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.0/jquery.min.js"></script>
  10. <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
  11. <script data-ad-client="ca-pub-9243765773230896" async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
  12. </head>
  13. <body>
  14. <nav class="navbar navbar-default navbar-fixed-top">
  15.      <div class="container">
  16.        <div class="navbar-header">
  17.          <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
  18.            <span class="sr-only"></span>
  19.            <span class="icon-bar"></span>
  20.            <span class="icon-bar"></span>
  21.            <span class="icon-bar"></span>
  22.          </button>
  23.      <a class="navbar-brand" href="https://advancedsitestats.com">Advanced Site Stats</a>
  24.    </div>
  25.    <div class="collapse navbar-collapse" id="navbar">  
  26.    <ul class="nav navbar-nav">
  27.     <li><a href="https://advancedsitestats.com/hosting/">List Server Hosting</a></li>
  28. <li><a href="https://advancedsitestats.com/domains/.com/">Domain Extensions</a></li>
  29. <li><a href="https://advancedsitestats.com/email_by_domain/">Email By Domain</a></li>
  30.    <li class="dropdown"><a class="dropdown-toggle" data-toggle="dropdown" href="#">Tool Checker <sup>9</sup>
  31. <span class="caret"></span></a>
  32. <ul class="dropdown-menu">
  33.            <li><a href="/verify_email_address/">Verify Email Address</a></li>
  34.            <li><a href="/find_email_addresses/">Find email addresses</a></li>            
  35. <li><a href="/ping_online/">Ping IP/ Website Online</a></li>
  36.                    <li><a href="/websites_hosted_on_ip/">Websites on the same IP</a></li>
  37. <li><a href="/port_scan_tool/">Port Scanner Tool</a></li>
  38. <li><a href="/suggest_keywords/">Suggest Keywords Tool</a></li>
  39. <li><a href="/validator.w3/">Website Error Checker</a></li>
  40. <li><a href="/related_keywords/">Search Related Keywords</a></li>
  41. <li><a href="/domain_search_extensions/">Domain Search Extensions</a></li>                    
  42. </ul>
  43. </li>
  44. </ul>
  45.    <form action="https://advancedsitestats.com/form_search/" method="post" class="navbar-form">
  46.  <div class="input-group">
  47.  <input type="text" class="form-control" placeholder="Search domain here ..." name="keyword" value="" size="30">
  48.  <div class="input-group-btn">
  49.  <button class="btn btn-info" type="submit" name="SearchDomain"><i class="glyphicon glyphicon-search"></i> Search Now</button>
  50.  </div>
  51.  </div>
  52. </form>    </div>
  53.  </div>
  54. </div>  
  55. </nav>
  56.  
  57. <div class="container" style="margin-top:80px">
  58. Socket Error 101 - Network is unreachable
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda