Material on the Internet dealing with reasons for Christian belief tends to be excessively academic or emanates from the lunatic fringe.
Even within individual websites, there can be a mixture of compellingly argued and somewhat deranged articles. Here are a few recommended articles for those with a taste for detail –
Does God exist? (1) http://www.apologeticspress.org/APContent.aspx?category=12&article=970
Does God exist? (2) http://www.apologeticspress.org/APContent.aspx?category=12&article=971
Does God exist? (3) http://www.apologeticspress.org/APContent.aspx?category=12&article=969
Fine Tuning of the universe http://www.apologeticspress.org/APContent.aspx?category=12&article=310
Why people believe in evolution (i.e. that evolution explains the origin of the universe) http://www.apologeticspress.org/APContent.aspx?category=12&article=273