ADD META TAG TO ALL BLOGGER POSTS.

In order to increase your blog's traffic,you have to obtain SEO[Search Engine Optimization] ranking.

To rank high in search engines,meta-tagging is one of the ways to achieve that.

TO DO THIS...

• Go toDesign >> Edit HTML.
• Backup your template in case something goes wrong.But if you have a backed up template,you can skip this step.
• check the box next to
  Expand Widget.
• Now search for the following codes by pressing Ctrl+F on your computer.

<title><data:Blog.pageName/> | <data:Blog .title/></title><b:else/><br /><title><data:Blog.pageTitle/> </title>

NOTE:This might vary in different templates,as you might have customized your template before.

Now paste the following codes directly AFTER/BELOW

<meta expr:content='data:blog.pageName' name='description'/>

That's all.
Preview your blog,and save it.