Google looks for consistency and keyword expertise when indexing websites. In addition to demonstrating a clear objective and purpose, Google offers a number of other tips to avoid creating bad content. A lack of focus on a particular topic damages SEO more than most website managers know. For that reason, website managers should be focusing content around consistent keywords to demonstrate their niche. Yoast is the de facto tool for choosing keywords to focus content, providing suggestions for long tail keywords (containing multiple words) that suggests which keywords are best. (Blotter uses Yoast and you should, too.) Not being disciplined and consistent in administering a website could be your biggest mistake.