Church Optimizer's Online Course
Part 5: The Cosmetics
For church web development I recommend the following:
Squarespace.com (See livingstonsda.church for an example)
For extra resources on transitioning your church see:
Why the Church is Failing by Marcos Torres (Video Sermon)
The Contemporary Crisis: One Church's Peaceful. Approach to the Traditional vs. Contemporary. Worship Dilemma. By Ralph Beck.