Home page has to accommodate timely content. If the site’s success depends on users’ coming back often, you need to have content that gets updated frequently. And even a site that doesn’t need regular visitors needs signs of life - even if it’s only a link to a recent press release - to signal that it’s not moribund.
Don’t make me think
Being an expert in online usability Krug gathered his experience in a wonderful book. This summary of key thoughts will help you to remember most important principles and laws.