本书是畅销书升级版，详细和系统地介绍了正规、有效的SEO实战技术，包括为什么要做SEO、搜索引擎工作原理、关键词研究、网站结构优化、外部链接建设、SEO效果监测及策略修改，SEO作弊及惩罚、排名因素列表、常用的SEO工具、SEO项目管理中需要注意的问题等专题，最后提供了一个非常详细的案例供读者参考。 第3版增加了移动搜索优化、APP排名优化、百度2015年排名因素调查结果等新内容，并对前两版中不再适用的内容进行了调整，如删除已无法使用的SEO工具，增加新工具介绍，更新已产生变化的搜索结果页面抓图，修正一些新形势下的SEO观点等。 本书不仅对需要做SEO的人员有帮助，如个人站长、公司SEO或网络营销人员、SEO服务公司人员等，对所有从事与网站相关工作的人都有参考价值，如网站设计人员、程序员、大中专院校网络营销和电子商务专业学生、网络公司技术和营销团队、传统商业公司电子商务团队等。

A well-designed, easy-to-navigate website is useless if no one can find it. If your company is going to succeed in the web economy, optimizing your site for search engine visibility is essential. In this book, four of the most noted experts in the field of search engine optimization (SEO) provide you with proven guidelines and cutting-edge techniques for planning and executing a comprehensive SEO strategy. The authors clearly explain SEO fundamentals, while correcting many common misconceptions. If you are new to SEO, you'll get a complete and thorough SEO education, as well as an array of effective tactics, from basic to advanced. Seasoned practitioners will find this book useful as a complete reference to SEO best practices. * Explore the underlying theory behind SEO and how search engines work * Learn the steps you need to prepare for, execute, and evaluate SEO initiatives * Examine a number of advanced strategies and tactics * Understand the intricacies involved in managing complex SEO projects * Learn what's necessary to build a competent SEO team with defined roles * Glimpse the future of search and what lies ahead for the SEO industry