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I am working on a website that offers a service to customers. As part of this, there is obviously lots of informational, marketing and news information, as well as a regular "backend" where actual customers signup, login and then make use of the service.

The informational site requires fairly frequent updates from marketing. Marketing is constantly concerned with SEO, news updates, PR etc.

The main backend site still requires a lot of development, but this is a "registered" user only area. It doesn't need SEO and such frequent updates.

The two seem fairly distinct to me. For this reason, I am thinking of splitting out the informational website into www.example.com and the regular backend into user.example.com or another similar subdomain.

Are there any problems with this approach?

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closed as too broad by John Conde Oct 9 '13 at 12:08

There are either too many possible answers, or good answers would be too long for this format. Please add details to narrow the answer set or to isolate an issue that can be answered in a few paragraphs.If this question can be reworded to fit the rules in the help center, please edit the question.

Do you require to run the CMS and the backend on the same machine? If not, there will be no security concerns by the CMS, other than for itself. You can assign the subdomain a different IP altoghether. – Marcel Oct 9 '13 at 11:57
Unfortunately this is fairly broad and also seeks opinions of others. – John Conde Oct 9 '13 at 12:09
This is a pretty opinion based question. That being said, if you are asking whether there are any drawbacks to this architecture, the answer is not really - it's a pretty common setup for commercial apps/web services (i.e. your promotional/marketing website on the main domain and app/docs and so forth on subdomain(s) as needed) – Ennui Oct 9 '13 at 13:38
I've simplified the question. Any chance it can be reopened? – cuberoot Oct 9 '13 at 16:03