On-page SEO is the practice of optimizing web page content for search engines and users. On-page optimization is very essential to gain visibility in the search results as without optimizing your on-page factors, you won't be found in the Search Engines. Common on-page SEO practices include optimizing Title, Meta Description, Heading tags, Alt text, 301 Redirection, 404 Error page, Internal linking, Content posting, URL Structure, etc.