The website www.Christianity.org.uk provides a wealth of thoughtful, balanced, and pastorally sensitive information about the Christian faith, with the opportunity for visitors to have an online conversation with a real-life Christian.
Here are a couple of articles you might be interested in:
The Christian Enquiry Agency who run the website are a charity, so use of the website is completely free.
If you want to, you can add www.Christianity.org.uk to your website and service materials, and let them do the rest.