If you are beginner in SEO and does not have any idea of Meta Tag, just read this post first about Meta Tag.It is very good for SEO (Search Engine Optimisation). Actually, why we are adding meta tags is to tell search engines what that page is all about... but, using same meta tags to all of your blog posts lessens the search engine rankings and traffic little bit.
But, if you add different unique meta tags to different Blog posts, it makes the search engines to know more about your individual blog posts and make them crawl and index your pages better and it also improves your Search engine rankings for sure ;)
How to insert Different Meta tags to Different Blogger Posts
1. Sign in to Blogger dashboard » Layout » Edit html
and find out the following lines:
<b:include data='blog' name='all-head-content'/>
and add this code just below that line
<b:if cond='data:blog.url == "http://makeblogpopular.blogspot.com/"'>
<meta content='DESCRIPTION' name='description'/>
<meta content='KEYWORDS' name='keywords'/> </b:if>
We now added meta tags to the homepage. Next, you want to add meta description for another post, for example : http://makeblogpopular.blogspot.com/2009/03/how-to-add-meta-tag-to-blogger-blog-seo.html
Now, what you have to do is pasting the above three lines below the present code and changing the link,description and keywords.
So, the final code now looks something like
<b:include data='blog' name='all-head-content'/>
<b:if cond='data:blog.url == "http://makeblogpopular.blogspot.com/"'>
<meta content='DESCRIPTION' name='description'/>
<meta content='KEYWORDS' name='keywords'/> </b:if>
<b:if cond='data:blog.url == "http://makeblogpopular.blogspot.com/2009/03/how-to-add-meta-tag-to-blogger-blog-seo.html"'>
<meta content='How to add Meta Tag to your Blogger Blog, SEO tips to add meta tag' name='description'/>
<meta content='Adding,Meta Tag,SEO ' name='keywords'/> </b:if>
Just like the above procedure, you can add different meta tags to as many blog posts as you can.