On-site SEO is the process of optimizing web pages for improved search engine rankings and more organic traffic. A mix of on-page SEO criteria such as technical features, headline optimization, high-quality content, pictures, and HTML tags are required to succeed in organic search. Your website’s users must also have a high level of confidence in it.
Source: https://www.xomop.com/2022/01/top-on-page-seo-factors-for-better-performance-in-serp.html