Submit WordPress Site to Yahoo Search Engine:
* Now Yahoo site explorer is using bing webmaster, so no need to submit in yahoo(10/1/2012)
Create an account in Yahoo Site Explorer https://siteexplorer.search.yahoo.com/
Login to Yahoo Site Explorer
Enter your Wrodpress Blog address as shown below and click on AddMy Site
Expand By adding a META tag to my home page
and copy the meta tag similar as shown below
Now login to WordPress (wp-admin) and go to the dashboard
Click on tools, there you will find the Webmaster Tool Verification
Paste the copied Metatag in the Yahoo Site Explorer and save the changes.
Now go to Site Explorer and click on Ready To Authenticate
If everything is normal, you will get the verified status as shown below.