While most information online becomes out-of-date quickly (especially information about technology and websites), this article from The Banner provides timeless tips to keep in mind while designing your website.
I think all five points are helpful and I can think of many websites that would benefit from following Ron DeBoer's advice. I especially like his first point: be careful with use of jargon. Make sure that terms specific to your church or the denomination are explained so that visitors can decipher these terms.
Does your church website address or implement these five ideas? If not, what is the biggest obstacle you face? Let us know in the comment section.