What Do You Need to Change?
Login to your blogger dashboard - Design - Edit HTML, then find these codes, red colors are what you need to change...
1- Header meta tags
<b:if cond='data:blog.url == data:blog.homepageUrl'>
<meta content='Your Description' name='description'/>
<meta content='Your keywords' name='keywords'/>
</b:if>
2- Auto drop-down menu - at top-right of header
<div id='pagemenucontainer'>
<div id='dropmenu'>
<ul>
<li>Contact
<ul class='submenu'>
<li><a href='/'>Contact Us</a></li>
<li><a href='/'>Advertise</a></li>
<li><a href='/'>About</a></li>
</ul></li></ul>
</div>
</div>
</div>
3. Header Navigation (horizontal menus)
<div id="nav">
<ul>
<li><a href="/">Home</a></li>
<li><a href="/">Menu 1</a></li>
<li><a href="/">Menu 2</a></li>
<li><a href="/">Menu 3</a>
</li>
</ul>
</div>
Simple Clean Blogger Template is one of seo friendly blogger templates, by 7 templates