Important new function in Google’s Webmaster Tools. The number of pages of your site indexed by Google is a crucial part of SEO.
Index Status is under the Health menu. After clicking on it you’ll see a graph like the following:
It shows how many pages are currently indexed. The legend shows the latest count and the graph shows up to one year of data.
If you see a steadily increasing number of indexed pages, congratulations! This should be enough to confirm that new content on your site is being discovered, crawled and indexed by Google.
However, some of you may find issues that require looking a little bit deeper. That’s why we added an Advanced tab to the feature. You can access it by clicking on the button at the top, and it will look like this:
For more on this feature visit Google Webmaster’s Blog