Internal links are to backlinks what Robin is to Batman—they’re crucial to SEO success yet receive little to none of the credit. In this guide, I’ll explain what internal links are, how to set up an internal linking structure, and how to strategically use them in SEO. When asked in a “Google SEO office-hours” video whether internal linking was still important for SEO, John Mueller said:Yes, absolutely… Internal linking is super critical for SEO. The pyramid structure is one of the most popular structures for internal linking, as it naturally creates a top-down internal linking structure. How to audit your site’s internal links for issuesTo stay on top of your SEO game, you’ll need to audit your internal links on a periodic basis.