what is SEO? what is type of SEO?

In the current digital landscape, Search Engine Optimization (SEO) is a fundamental skill for anyone hoping to increase the exposure of their website and draw in more natural visitors. SEO is the umbrella term for a variety of tactics used to raise a website's position on search engine results pages (SERPs) and, eventually, generate qualified leads and sales. Understanding the nuances of search engine algorithms is crucial to understanding SEO in its entirety because these algorithms are always changing to provide users with the most relevant and useful results. Numerous elements are considered by these algorithms: off-page elements like social signals and backlinks, as well as on-page features like meta similes, title tags, and high-quality content