Normally, we don’t need to tell Google/Bing/Yahoo to visit our site, it just does automatically. However if we want to we want to tell these search engines about your URLs, we can submit manually.
Submitting your website URL to Google
http://www.google.com/addurl/
You need to enter your full URL, including the http:// prefix. For example: http://www.google.com/. You may also add comments or keywords that describe the content of your page. These are used only for our information and do not affect how your page is indexed or used by Google.
You need to add Only the top-level page from a host is necessary; you do not need to submit each individual page. Google crawler, Googlebot, will be able to find the rest. Google updates its index on a regular basis, so updated or outdated link submissions are not necessary. Dead links will 'fade out' of our index on our next crawl when we update our entire index.
Submitting your website URL to Bing
http://www.bing.com/webmaster/SubmitSitePage.aspx
Generally Bing web crawler, MSNBot, can find most pages on the Internet. However if your site does not appear on Bing, you can send update the URL on above link.
Submitting your website URL to Yahoo
http://au.docs.yahoo.com/info/suggest.html
The goal of Yahoo! Search Technology is to automatically discover and index all of the content available on the web predominantly by following hyperlinks to provide the best possible search experience to users.
You can use the below link to submit to yahoo site explorer.
http://siteexplorer.search.yahoo.com/au/free/submit
You can submit your website or webpage and Site feed in invite more traffic from yahoo.
