By default if you're adding Meta Tags to blogger template, then all of your page including home page will have the same Meta Tags Description. Is it wrong? No. It's just when you submitted your blog to google then you'll have duplicate meta tags description. different Meta Tags Description in each post will be more google friendly.
<span style="font-weight:bold">Step by Step to add Different Meta tags description For Each Post in your blogspot blog.</span>
<b> Step 1 Install title tags optimized</b>
<b:include data="blog" name="all-head-content">
<b:if cond="data:blog.pageType == "index"">
<title><data:blog.pageName/> | <data:blog.title/></title>
<b:else>
<title><data:blog.pageTitle/></title>
</b:else></b:if>
<b:skin><!--[CDATA[/*<br /><br /><b-->Step 2 Add Meta tag Description and Meta Keywords
<span style="color:rgb(0,0,255)"><b:if cond="data:blog.url == data:blog.homepageUrl"></b:if></span>
<meta content="<span style="color:rgb(51,51,255)">Your home page description</span>" name="description">
<meta content="<span style="color:rgb(51,51,255)">your keywords, keywords1, keyword2</span>" name="keywords">
<span style="color:rgb(0,0,255)"></span>
<b:if cond="data:blog.pageType == "item"">
<meta content="data:blog.pageTitle" name="Description">
<meta content="data:blog.pageName + ", <span style="color:rgb(51,51,255)">your keywords, keywords1, keyword2</span> "" name="keywords">
</b:if>
<b>Step 3 Change The Blue Text To Your Own</b>
<b>Step 4 Your Final code Should be like below</b>
<b:include data="blog" name="all-head-content">
<b:if cond="data:blog.pageType == "index"">
<title><data:blog.pageName/> | <data:blog.title/></title>
<b:else>
<title><data:blog.pageTitle/></title>
</b:else></b:if>
<span style="color:rgb(0,0,255)"><b:if cond="data:blog.url == data:blog.homepageUrl"></b:if></span>
<meta content="<span style="color:rgb(51,51,255)">Your home page description</span>" name="description">
<meta content="<span style="color:rgb(51,51,255)">your keywords, keywords1, keyword2</span>" name="keywords">
<span style="color:rgb(0,0,255)"></span>
<b:if cond="data:blog.pageType == "item"">
<meta content="data:blog.pageTitle" name="Description">
<meta content="data:blog.pageName + ", <span style="color:rgb(51,51,255)">your keywords, keywords1, keyword2</span> "" name="keywords">
</b:if>
<b:skin><!--[CDATA[/*<br /><br />Step 5. Save it and Done. For question please refer to this page.<br /><br />from: http://sites.google.com/site/metatagforblogger/<br />--></b:skin></b:include></b:skin></b:include>
Different Meta Tags For Each Post Blogger
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