Google has made a public index secret that charts the number
of indexed pages for your site over the last year using the new Index Status
feature in Webmaster Tools
To see Index Status go to Webmaster Tools > Health > Index Status
It gives you an idea about how many pages are presently
indexed. If you see a progressively increasing number of indexed pages, many
happy returns! It should be sufficient to verify that new content on your site
is being crawled and indexed by Google.
1 => For Basic Tab
Total Indexed: The
total number of URLs from your site that have been added to Google's index.
=> For
Advanced Tab: This Advanced alternative give extra information:
Ever crawled: The
cumulative total of URLs from your site that Google has ever accessed.
Not selected: URLs
from your site that redirect to other pages or URLs whose contents are
substantially similar to other pages.
Blocked by robots: URLs Google could
not access because they are blocked in your robots.txt file.