Google has decided that it will make all the webmasters and users learn the basics of the internet-world from the beginning itself! According to a recent blog at the Official Google Webmaster Blog, Google elaborated on the fact that it would answer all the queries (no matter how small it is) for its users!
"Today we're going back to basics. We'll be answering the question: What is a website?
…Okay, not exactly. But we will be looking into what a "website" means in the context of Webmaster Tools, what kind of sites you can add to your Webmaster Tools account, and what data you can get from different types of sites.
Why should you care? Well, the following are all questions that we've gotten from webmasters recently:
- "I know my site has lots of incoming links; why don't I see any in my Webmaster Tools account?"
- "I see sitelinks for my site in Google's search results, but when I look in Webmaster Tools it says 'No sitelinks have been generated for your site.'"
- "Why does my Top search queries report still say 'Data is not available at this time'? My site has been verified for months."
In each of these cases, the answer was the same: the data was there, but the webmaster was looking at the wrong "version" of their domain in Webmaster Tools.
A little background
The majority of tools and settings in Webmaster Tools operate on a per-site basis. This means that when you're looking at, say, the Top search queries report, you're only seeing the top search queries for a particular site. Looking at the top queries for www.example.com will show you different data than looking at the top queries for www.example.org. Makes sense, right?
Not all websites have URLs in the form www.example.com, though. Your root URL may not include the www subdomain (example.com); it may include a custom subdomain (rollergirl.example.com); or your site may live in a subfolder, for example if it's hosted on a free hosting site (www.example.com/rollergirl/). Since we want webmasters to be able to access our tools regardless of how their site is hosted, you can add any combination of domain, subdomain(s), and/or subfolder(s) as a "site" on your Webmaster Tools dashboard. Once you've verified your ownership of that site, we'll show you the information we have for that particular piece of the web, however big or small it may be. If you've verified your domain at the root level, we'll show you data for that whole domain; if you've only verified a particular subfolder or subdomain, we'll only show you data for that subfolder or subdomain. Take Blogger as an example—someone who blogs with Blogger should only be able to have access to the data for their own subdomain, not the entire blogspot.com domain.
What some people overlook is the fact that www is actually a subdomain. It's a very, very common subdomain, and many sites serve the same content whether you access them with or without the www; but the fact remains that example.com and www.example.com are two different URLs and have the potential to serve different content. For this reason, they're considered different sites in Webmaster Tools. Since they're different sites—just like www.example.com and www.example.org—they can have different data. When you're looking at the data for www.example.com (with the www subdomain) you're not seeing the data for example.com (without the subdomain), and vice versa.
What can I do to make sure I'm seeing all my data?
- If you feel like you're missing some data, add both the www and the non-www version of your domain to your Webmaster Tools account. Take a look at the data for both sites.
- Do a site: search for your domain without the www (e.g. [site:example.com]). This should return pages from your domain and any of your indexed subdomains (www.example.com, rollergirl.example.com, etc.). You should be able to tell from the results whether your site is mainly indexed with or without the www subdomain. The version that's indexed is likely to be the version that shows the most data in your Webmaster Tools account.
- Tell us whether you prefer for your site to be indexed with or without the www by setting your preferred domain.
- Let everyone else know which version you prefer by doing a site-wide 301 redirect.
Even though example.com and www.example.com may look like identical twins, any twins will be quick to tell you that they're not actually the same person. 
"
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Navneet Kaushal, CEO PageTraffic is a trusted authority in the search engine marketing industry. He is a featured author at Web Pro News, Search Newz, Website Notes, DevWebPro, SEO Article and Web Help Now among many others.
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{ 5 comments… read them below or add one }
Yes it seems google has a amjor shift coming soon in how it runs things. I hear rumors of web 3.0 just around the corner.
In a nut shell will be be able to code in Html from the ground up?
I’m Still just learning and this basic info is still semi new to me. Great examples and post thank you.
thank you , that is the best
Great idea, choose the domain and do a site wide 301 redirect. You make some really valid point, thanks for sharing your knowledge.