Optimising a website for Rich Results, also known as Rich Snippets, refers to the process of making a website more visible and engaging in the search engine results pages (SERP) by providing additional information and context to search engines. The following are some of the main points to consider when optimising a website:

1. Use structured data: Use structured data, such as Schema.org, to provide additional information about the content on the website, such as product reviews, event information, and more.
2. Optimise for featured snippets: Optimise for featured snippets by providing clear and concise answers to commonly asked questions in the form of headings, paragraphs, and lists.
3. Optimise for voice search: Optimise for voice search by providing natural language and question-based content.
4. Optimise for image and video rich results by providing alt tags and captions for images and transcripts for videos.
5. Optimise for local SEO: Optimise for local SEO by providing accurate and consistent business information, such as name, address, and phone number (NAP), and reviews.
6. Monitor and track your rich results using tools like Google Search Console, which will help you identify any issues and improve your visibility in search results.
7. Test different rich results and measure the results, use the data to optimise your website for better visibility and engagement in search results.

In summary, optimising a website for Rich Results is the process of making a website more visible and engaging in the search engine results pages (SERP) by providing additional information and context to search engines. The main points are to use structured data, optimize for featured snippets, voice search, image and video rich results, local SEO, monitor and track, test and optimise.