On-Page SEO, also known as On-Site SEO, refers to the practice of optimizing individual web pages in order to improve their ranking in search engine results pages (SERPs) and generate organic traffic. It involves optimizing various elements of a website’s content and HTML source code to make it more relevant and appealing to search engines and users. On-Page SEO includes optimizing page titles, meta descriptions, headers, content, images, internal and external links, and other elements that are within the control of the website owner.