Drupal is a very secure software framework ideally suited to providing content management and social integration platforms. It has been vetted and road-tested by some of the most security-conscious web sites on the planet: Drupal powers high profile governmental websites from the U.S. White House (whitehouse.gov) to the official website for the Mayor of London and the Greater London Authority (London.gov.uk). But they are not isolated examples as Drupal provides the framework for over 500,000 other sites across the web (e.g.

Over ten years ago when we started creating web sites and applications to manage biodiversity related information we needed a public website to act as a host for these projects. UKWildlife.com was created to provide web space for not for profit Biodiversity and conservation projects and provide resources for biodiversity projects.

One of the trends these days is to lose the www. from your domain name.
Arguments for are usability (e.g. you don't have as much typing to do - it is easier to not have to say dubyadubyadubya every time you give out your web address).
There are counter arguments of course to do with cookie control and sites that have sub-domains etc.
What is important though is that you choose one and stick to it. In any event you should decide for one and not allow both.
Supporting both will cause duplicate content in Google and you may suffer in SEO terms.

To create the foundation for a metadata standard to be used across organisations working together for the conservation of biodiversity. In addition to the production of a ’standard’ the client commissioned a metadata collection exercise to ‘pump prime’ the initiative. The client also required a dynamic web site to show case the metadata collected.