SEO stands for Search Engine Optimisation. It is the practice of optimising a website and its content to increase the visibility and ranking of the website in search engine results pages (SERPs). The aim of SEO is to increase the quantity and quality of traffic to a website from organic search results. It involves various techniques such as keyword research, on-page optimization, technical SEO, link building, and more. The goal of SEO is to improve the user experience and provide relevant and valuable information to users searching for specific keywords or phrases.