The <header> element is generally found at the top of a document, a section, or an article and usually contains the main heading and some navigation and search tools. We need to check this salesforce training india web page wtih header tag of html5 implemented professionally.

  <h1>Company A</h1>
    <li><a href="/home">Home</a></li>
    <li><a href="/about">About</a></li>
    <li><a href="/contact">Contact us</a></li>
  <form target="/search">
    <input name="q" type="search" />
    <input type="submit" />