JSFiddle - React, Tailwind, and code Playground

HTML

<table width="580" height="217" border="0" cellpadding="0" cellspacing="0">
  <tr>
    <td width="334">Website</td>
    <td width="246">Category</td>
  </tr>
  <tr>
    <td>http://www.google.com</td>
    <td>Search Engine</td>
  </tr>
  <tr>
    <td>http://www.gmail.com</td>
    <td>Web Mail</td>
  </tr>
  <tr>
    <td>http://www.xyz.com</td>
    <td></td>
  </tr>
  <tr>
    <td>http://www.amazon.com</td>
    <td>Shopping</td>
  </tr>
  <tr>
    <td>http://www.website.com</td>
    <td></td>
  </tr>
</table>

JavaScript

$('table td:empty').append('Not Found');