SEO stands for Search Engine Optimization, which is the practice of optimizing a website and its content to improve its visibility and ranking in search engine results pages (SERPs). The goal of SEO is to increase the quantity and quality of organic traffic to a website by making it easier for search engines to understand the content and relevance of the website. SEO techniques include optimizing content for keywords, improving website structure and navigation, building high-quality backlinks, and ensuring the website is mobile-friendly and has fast loading speeds. Effective SEO can result in increased brand visibility, website traffic, and lead generation for businesses.