PREFACE I enjoyed doing an interview with Zac about search engine optimization (SEO) back in 2007. Not only did Zac ask great questions, but he has provided countless people with helpful, solid advice over the years. So when Zac asked me to write a preface for his book about SEO, I was happy to say yes. I think learning about SEO can be good for anyone who works with the Web. Not only designers and programmers, but also CEOs and regular users can benefit from knowing more about how search engines rank pages, and why some pages rank more highly than others. SEO can be done in a good way that keeps users' needs in mind and create useful websites in alignment with search engine quality guidelines. So SEO can be a powerful tool that not only helps a website rank higher, but also makes a websi…