Search Engine Optimization (SEO) is the practice of optimizing a website or online content to improve its visibility and ranking on search engine results pages (SERPs). It involves a range of techniques and strategies designed to improve the quality and relevance of a website's content, structure, and metadata, as well as its off-page factors like backlinks and social signals.

The primary goal of SEO is to improve a website's ranking on search engine results pages, which can result in increased traffic, leads, and revenue. By optimizing a website's content and structure, businesses can make it easier for search engines like Google to crawl and index their website, and better understand what the website is about.

One of the key components of SEO is keyword research. This involves identifying the keywords and phrases that potential customers are using to search for products or services related to your business. By including these keywords in your website's content and metadata, you can improve its relevance to search queries and increase its ranking on SERPs.

Another important aspect of SEO is building backlinks. Backlinks are links from other websites that point to your website, and they are an important factor in determining a website's authority and credibility. By earning high-quality backlinks from reputable sources, you can improve your website's ranking and visibility on SERPs.

In conclusion: SEO is an essential component of any modern digital marketing strategy. By optimizing your website's content, structure, and metadata, as well as its off-page factors like backlinks and social signals, you can improve its ranking and visibility on search engine results pages, and drive more traffic, leads, and revenue to your business.