I'm a Blogger Template Designer so i know almost every Blogger Template's Code that need to build a Blogger Template. This list of Codes is very helpful for new Blogger Template Designer. Actually not only for Designers. Sometimes anyone want to show particular thing like comment numbered in his/her site. So this here is the list.
Conditional Tags
To Show something on Home Page only.
<b:if cond='data:blog.url == data:blog.homepageUrl'>
Codes here
</b:if>
To Hide something from Home Page only.
<b:if cond='data:blog.url != data:blog.homepageUrl'>
Codes here
</b:if>
To Show something on Post Pages.
<b:if cond='data:blog.pageType == "item"'>
Codes here
</b:if>
To Hide something from Post Pages
<b:if cond='data:blog.pageType != "item"'>
Codes here
</b:if>
To Show something on Pages.
<b:if cond='data:blog.pageType == "static_page"'>
Codes here
</b:if>
To Hide Something from Pages.
<b:if cond='data:blog.pageType != "static_page"'>
Codes here
</b:if>
To Show Something on particular URL.
<b:if cond='data:blog.url == "URL of the page"'>
Codes here
</b:if>
To Hide Something from Particular URL.
<b:if cond='data:blog.url != "URL of the page"'>
Codes here
</b:if>
To Show something on Post Pages and Pages.
<b:if cond='data:blog.url == data:post.url'>
Codes here
</b:if>
To Hide something from Post Pages and Pages.
<b:if cond='data:blog.url != data:post.url'>
Codes here
</b:if>
To Show Something on Home Page, Archive Page and Search Page
<b:if cond='data:blog.pageType == "index"'>
Codes here
</b:if>
To Hide Something from Home Page, Archive Page and Search Page
<b:if cond='data:blog.pageType != "index"'>
Codes here
</b:if>
To Show Something on Archive Page only.
<b:if cond='data:blog.pageType == "archive"'>
Codes here
</b:if>
To Hide Something from Archive Page only.
<b:if cond='data:blog.pageType != "archive"'>
Codes here
</b:if>
To Show Something on Error Page.
<b:if cond='data:blog.pageType == "error_page"'>
Codes here
</b:if>
To Hide Something from Error Page
<b:if cond='data:blog.pageType != "error_page"'>
Codes here
</b:if>
To Show Something on Search Page only.
<b:if cond='data:blog.searchLabel'>
Codes here
</b:if>
To Show Something on First Post only.
<b:if cond='data:post.isFirstPost'>
Codes here
</b:if>
Author Codes
Author Name:
<data:post.author/>
Author Profile URL:
<data:post.authorProfileUrl/>
Author Image:
<data:post.authorPhoto.url/>
Time Stamp
<data:post.timestamp/>
Numbered Comments figure
<data:post.numComments/>
Full Comments Stamp
<b:if cond='data:post.allowComments'>
<b:include data='post' name='comment_count_picker'/>
</b:if>
Label(s)
<b:if cond='data:post.labels'>
<b:loop values='data:post.labels' var='label'>
<a expr:href='data:label.url' rel='tag'><data:label.name/></a><b:if cond='data:label.isLast != "true"'>,</b:if>
</b:loop>
</b:if>
Location
<b:if cond='data:top.showLocation'>
<b:if cond='data:post.location'>
<a expr:href='data:post.location.mapsUrl' target='_blank'><data:post.location.name/></a>
</b:if>
</b:if>
Email me
<b:if cond='data:post.emailPostUrl'>
<a expr:href='data:post.emailPostUrl' expr:title='data:top.emailPostMsg'>
<img alt='' class='icon-action' height='13' src='http://img1.blogblog.com/img/icon18_email.gif' width='18'/>
</a>
</b:if>
Post Edit Pencil Icon
<b:include data='post' name='postQuickEdit'/>
