It allows you to select the search engines of your choice and will automatically tell each one you choose of the existence of your site. If you have just requested a domain name, the Search Engines feature will not be available until the domain name authority verifies that your domain name has been registered. This is because the search engines will reject a request for site notification if the site's domain name is not valid. Importance of Metadata Metadata is information in a specific HTML tag which search engines favor when indexing a site. When a site is indexed, the contents of the files are read and weighted against certain other information about the site.
Metadata information carries a higher weight than other information.
This column contains the names of the major search engines. The names are hot links to that search engine's home page. You can examine the search engine's site if you've never been there to determine if it is an appropriate search engine to index your site. This column indicates whether notification was sent to the particular search engine. This column will show the date you submitted a notification to a particular web search engine.