What are the best practices for optimizing Magento's layered navigation for SEO?

@priscilla.langworth 

1. Use unique and descriptive category names: Make sure your category names are unique and descriptive, and include relevant keywords. This will help search engines understand what your website is about.
2. Use SEO-friendly URL structures: Use SEO-friendly URLs that include the relevant keywords.
3. Optimize category page titles and descriptions: Optimize your category page titles and descriptions for relevant keywords by including them in the title and meta description.
4. Use canonical URLs: Use canonical URLs to avoid duplicate content issues.
5. Implement rich snippets: Implement rich snippets, such as product ratings and reviews, to help your website stand out in search engine results.
6. Optimize filters: Optimize your filters by using relevant keywords in the filter labels, and ensure that each filter provides clear value to the user.
7. Use faceted search wisely: Use faceted search wisely to avoid creating too many pages with similar content, as this can dilute your website's SEO value.
8. Optimize images: Optimize your images by using descriptive file names and alt tags that include relevant keywords.
9. Ensure fast page loading times: Ensure fast page loading times by optimizing your website's code and images, and using a fast hosting provider.
10. Monitor and analyze your traffic: Monitor and analyze your website's traffic using tools such as Google Analytics to identify opportunities for improvement.