Techsoup has a great set of articles, tools and suggestions on ways to make sure your website content is up to best practices, and meets the wants of your audience. A really good step by step guide.
This is a must for small, emerging organizations, but also a great review for any nonprofit with a website, new or old. Check it out, and while you are on the site, sign up for the free weekly newsletter.
I see such a range of quality in nonprofit websites. Some are great, some look like they were put up five years ago and left alone. I saw one yesterday for a national organization that was....hopeless. Hard to navigate, boring content, didn't answer questions, ugh.
Make sure that your site doesn't face the same fate....