There has been a long talk about whether you should create a separate mobile site with a different layout or even different content, or use the standard site and make it work on small-screen devices by using responsive technologies. This is probably a discussion that won't end anytime soon, but it seems like responsive layouts have gained more popularity than technologies related to creating separate mobile sites.
If you intend to show different content on a mobile device, you might want to consider creating a separate site. But keep in mind that only your website's visitors really know what they want. You might have a visitor who is looking for the phone number and nothing else and gets annoyed because he has to scroll down to the contact page, but it could very well be possible that another visitor wants to read more of the content you have on your site.
We're not going to start a long discussion about this; just keep a few things in mind that you might...