i just want to know is this ok if i use
this stucture:
<header>
<h1>Luke</h1>
<ul>
<li><a href="#">Sign In</a></li>
<li><a href="#">Sign Up</a></li>
</ul>
</header>
instead of this ?
<div id="header">
<div id="luke">
<h1>Luke</h1>
</div>
<div id="navbar">
<ul>
<li><a href="#">Sign In</a></li>
<li><a href="#">Sign Up</a></li>
</ul>
</div>
</div>
and if not, i want to know why ? and also i want to know which one is SEO Friendly and why?