This case study examines Smart Restoration Limited's search engine marketing (SEM) strategies, encompassing organic and paid search techniques, opt-in email marketing, and online public relations (OPR). It highlights the functions of SEM, including generating new ideas, selling products, and building brand image, while also detailing the advantages and disadvantages of SEO and OPR. The analysis covers the importance of keyword generation, content optimization, and site registration for effective SEO. Furthermore, it discusses best practices in opt-in email marketing, emphasizing permission-based advertising and targeted content. The study also explores the use of new digital media communities, such as social media platforms, for enhancing online reputation and customer engagement. The document concludes by emphasizing the importance of monitoring online activities and responding thoughtfully to customer feedback.