The official SEO Certification textbook for 2025-2026 is here! With the spread of the internet, the number of websites continues to increase, making SEO (Search Engine Optimization) a crucial technique for attracting customers. This book explains the overall picture of the latest SEO techniques in an easy-to-understand manner for beginners, tracing back to the origins of the internet and search engines for fundamental knowledge. This is the one book to aim for speedy success in the SEO Certification Level 4. Chapter 1: How the Web and Search Engines Work Chapter 2: Characteristics of Google Chapter 3: Significance and Information Sources of SEO Chapter 4: Planning and Popularity Factors Chapter 5: Internal Factors Chapter 6: External Factors (From book introduction) #SEO