steps to use the Yahoo service Webmasters this is as follows:
First, please click this Webmaster Yahoo any posts. So the page will appear as the image below:
Then click the name of the blog you added a new line. Next on the left side menu click on “Feeds” to add the blog feed.
Then form the right type in the address you blog feed, if you still use free blogger please type “atom.xml” then click “Add Feed” and leave my blog to add the feed in the diagnosis. The next step is to blog Authentication you. How is the menu on the left side of any posts click “Authentication” then the right will show how the authentication credentials with a blog to upload a file or by adding a meta tag, please click on the second option if you use blogger.

Please copy the meta tag given (bold text). Then login to blogger and go to the “layout” are to the “Edit HTML” and paste the meta tag code after , then save. Then return to the Yahoo page and click Webmasters earlier “Ready to authenticate.” Here until your blog is listed in Yahoo webmasters, take a couple of days so we can blog in the diagnosis by Webmasters.