Link equity is central to SEO because it directly impacts how search engines evaluate the importance of a webpage. When a page with high authority links to another page, it can significantly boost the latter's search engine rankings. This is where related jargons like 'Page Authority' and 'Domain Authority' come into play. Page Authority measures the strength of a single page, while Domain Authority evaluates the entire domain's strength. Higher authority means better capacity to pass valuable link equity.

Not all links pass the same amount of link equity. 'DoFollow Links' allow the transfer of link equity, whereas 'NoFollow Links' do not. Understanding the difference is crucial for effective link-building. 'Backlinks,' or incoming links from other websites, can be either DoFollow or NoFollow. Quality backlinks from authoritative sites can significantly enhance your site's SEO.

Other factors, such as 'Trust Flow' and 'Citation Flow,' also play roles in determining the quality and quantity of link equity. Trust Flow measures the trustworthiness of a page based on the quality of backlinks, while Citation Flow measures how influential a URL might be based on the number of sites linking to it. Both metrics are essential for understanding the overall value of link equity.

Effective 'Link Building' strategies often focus on acquiring high-quality backlinks and optimizing 'Anchor Text,' the clickable text in a hyperlink. Using relevant and keyword-rich anchor text can improve the relevancy and authority passed through the links. Additionally, internal linking within your own website can distribute link equity more effectively across various pages, enhancing the overall SEO performance.

In summary, link equity is a fundamental concept in SEO that involves the transfer of value from one page to another through hyperlinks. Understanding how different types of links, backlink quality, and related metrics like Page Authority and Trust Flow impact link equity can provide a significant advantage in optimizing a website for search engines. Effective link-building and anchor text optimization are key strategies for maximizing link equity and improving search engine rankings.