On-page SEO is the practice of optimizing individual webpages in order to rank higher and earn more relevant traffic in search engines. On-page refers to both the content and HTML source code of a page that can be optimized, as opposed to off-page SEO which refers to links and other external signals.
On-Page Search Engine Optimisation
One of the most fundamental aspects of Internet marketing is Search Engine Optimization or SEO. … On-page SEO helps search engines understand your website better, to gauge if your content would be relevant to people seeking information about anything online using a set of keywords.