Well as per discussion and in general, people pick the easygoing URLs like-

1] flexsin.com
2] www.flexsin.com/
3] flexsin.com/index.php
4] www.flexsin.com/default.php
5] flexsin.com/index.html
6] www.flexsin.com/index.html

But, search engines read all the urls different, they pick the url, which is set as a best representative of the page information.

For search engines, we should use the same format of url consistently across the entire website. We should not make the urls different in anywhere in the website. For example, if we are using http://flexsin.com/, then throughout the website we should keep it same. It should not be changed like http://www.flexsin.com.

Hope this make sense.

Additionally, if you want the page url http://www.flexsin.com as a default, i mean if some put in http://flexsin.com then it should be automatically redirected to the http://www.flexsin.com. We need to use of 301 permanent redirect for the same.

We appreciate if you do have any other query related to this point.

Thanks,
Monica
[url=http://www.flexsin.coml]SEO Expert[/url]