On-page optimization plays a crucial role in determining the performance of your website in SERPs. Discuss two advanced on-page optimization techniques that can help improve your website's ranking.

On-page optimization is an essential part of any SEO strategy, as it involves optimizing elements on the website itself to improve its visibility and ranking in search engine results pages (SERPs). While traditional on-page optimization techniques like optimizing meta tags and using header tags are effective, there are several advanced on-page optimization techniques that can help improve a website's ranking even further.

1. Semantic Keyword Optimization: Semantic keyword optimization involves using related keywords and phrases throughout a website's content to create a comprehensive understanding of the topic for search engines. This technique takes advantage of Google's natural language processing capabilities to identify relevant content and improve a website's ranking. By including semantically related keywords in the content, website owners can increase the relevance and quality of the content for both search engines and users.
2. Content Clustering: Content clustering involves organizing a website's content around a central topic or theme and interlinking pages that are semantically related. By grouping similar content together, website owners can create a more comprehensive understanding of the topic for search engines and improve the user experience. By interlinking related pages, website owners can also increase the authority of each page and improve the website's overall ranking in SERPs.

In conclusion, advanced on-page optimization techniques like semantic keyword optimization and content clustering can significantly improve a website's ranking in SERPs. By optimizing for semantically related keywords and grouping content around central themes, website owners can create a more comprehensive understanding of the topic for search engines, improve the user experience, and increase the authority of the website.