SEO or Search Engine Optimization is the practice of optimizing a website to improve its ranking and visibility in search engine results pages (SERPs). This is done through various techniques such as keyword research, on-page optimization, link building, and content development. The aim of SEO is to increase the quality and quantity of organic traffic to a website, which can lead to more leads, sales, and revenue for businesses. SEO is an essential aspect of digital marketing and can be both challenging and rewarding.