Hiding a SharePoint Site from Search Results

What if, you require to hide the documents and the SharePoints lists appearing as a result of the SharePoint search results?  To achieve it, this can be configured easily.
1. Navigate to Site Actions->"Site Settings"
2. In this, Go to Site Administration"->"Search and offline availability"
3. Go to Indexing Content
Select 'No' in Allow this site to appear in search results
4. That's it. The configuration is done now
Attached is the screenshot.