It really depends on the host and how they have set up the DNS servers. Most host create two
entries, one for and one without the www.
However I prefer to always use the www when access a domain, with a subdomain, www is not used.
Also when entering a URL in an email, the www should always be used, especially if not including the
www or if a subdomain.
Example
ycoln-resources.com = doesn't appear as a live link
www.ycoln-resources.com = does appear as a live link
http://ycoln-resources.com = does appear as a live link
= does appear as a live link
Also if working with server-side scripting that uses sessions, then the example above with and
without the www would each be a separate session.
This can cause issues with shopping carts and restricted area login functions, where the session is
suspended if a user changes from one URL to another, the same applies to using https.
Example if a user comes into my site at , a session is created, now if
the user click a link that take them to
http://ycoln-resources.com then another session is create,
the first is suspended, same happen if they were to click on a link that start with https.
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Thomas A. Rowe (Microsoft MVP - FrontPage)
WEBMASTER Resources(tm)
FrontPage Resources, WebCircle, MS KB Quick Links, etc.
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