Building effective internal links starts with understanding your site's topical hierarchy and identifying pillar content that should receive the most authority. Create cornerstone content on your most important topics, then link supporting articles back to these pillars. Use descriptive, keyword-rich anchor text that accurately describes the linked page's content, avoiding generic phrases like "click here." Implement contextual links within your content where they naturally add value for readers, rather than forcing links unnaturally. Add related post sections at the end of articles, create topic clusters linking thematically related content, and ensure every page is reachable within three clicks from your homepage. Regularly audit for broken internal links and orphaned pages, use breadcrumb navigation for clarity, and strategically link from high-authority pages to newer content you want to boost.