Indexing Your Blog | SEO Blogger

Incorrect use of this feature can result in your blog being ignored by search engines. We will make sure it is done correctly by testing it.
Custom robots.txt is a way for you to instruct the search engine that you don’t want it to crawl certain pages of your blog.
“Crawl” means that crawlers, like Googlebot, go through your content, and index it so that other people can find it when they search for it.
Go to blogger.com
Open the blog you’re are working with
Click on settings
Click on Search Preferences
Under the heading ‘Crawlers and indexing’, you will see ‘Custom robots.txt’
Click ‘Edit’
Select ‘Yes’ to Enable Custom robots.txt content
11. Copy & Paste the robots.txt file code:
User-agent: Mediapartners-Google
Disallow:
User-agent: *
Disallow: /search
Allow: /
Sitemap: http://EXAMPLE.blogspot.com/feeds/pos...
Replace ‘EXAMPLE’ with your blog URL
Click ‘Save Changes’
Now go to your webmasters account and give it a test

all: index and follow the links.
noindex: prevent indexing of the page.
nofollow: prevents the Googlebot to follow the links on this page.
none: shortcut to noindex, nofollow, noarchive.
noarchive: prevents Google to display the link associated with Cached page.
nosnippet: prevents the display of an extract in the search results. Therefore indicates to use the page title (and in some cases the sitelinks) only (Google, Yahoo!)
noodp: prevents the use of a replacement drawn description of ODP websites / DMOZ.
notranslate: prevents translation of your pages in search results.
noimageindex: Specifies that you do not want your page to appear as the source of an image appearing in Google search results.
unavailable_after: [date]: lets you specify the exact time and date that the crawling and indexing of this page must stop.

Create and Add Custom Robots.txt File on Blogger Site