SEO (Search Engine Optimization) is the practice of improving a website to increase its visibility and get more free traffic from search engines. The three core types of SEO are on-page SEO, off-page SEO, and technical SEO.
Core Types of SEOOn-Page SEO: Optimizing individual web pages using good content, target keywords, and clean HTML tags so search engines understand the page.
Off-Page SEO: Building authority and trust outside your own website, mainly by getting links from other trusted websites (backlinks).
Technical SEO: Improving the backend of a website, such as site speed, mobile layout, and site security, to help search engines crawl and index the site easily.