Google Webmaster,Google Analytics are most useful tools for bloggers.Google is providing these free tools to bloggers to achieve site diagnostics,traffic analysis …etc.If you are new to blogging then you must use two tools for better blogging.Before adding your blog to Google webmaster tool blog should be verified using following techniques.
1.Add a Meta tag to your blog home page.
or
2.Upload HTML file with the name you specify to your server.
Now you can also verify your wordpress blog in google webmaster using wordpress plugin.Download Google Site Verification Plugin and activate it.This plugin compatible upto wordpress 3.1.1