The Importance of Internal Link Building for SEO

External links and backlinks get a lot of attention when it comes to SEO and link building. But internal links - the links between the pages of your own website - are just as critical for successful SEO.

Internal links serve multiple important functions:

• Direct Link Equity: External links provide authority and trust to your site, primarily to the specific page they link to. With internal links, you can pass that authority from externally-linked pages throughout your site. This helps boost pages lower in your site architecture that don't get many backlinks.
• Highlight Key Pages: The number of internal links pointing to a page signals its importance to search engines. Use internal links to highlight your most important pages and core content.
• Site Navigation: Well-planned internal linking makes it easier for visitors to navigate through your content and find what they need.
• Contextual Relevance: Place contextual, relevant internal links to provide more information for users and guide them to related content.

Best Practices for Internal Link Building:

• Use link analysis tools like Ahrefs and Moz to identify pages with lots of external links to build internal links from.
• Optimize internal anchor text to accurately reflect linked page content.
• Link intelligently - don't overload pages with too many internal links. Consider user experience.
• Build internal links to new pages to give them an initial SEO boost before seeking external links.
• Review site analytics to see popular user journeys and link to guide visitors accordingly.

When built strategically, internal link structures play a major role in SEO success. They help search engines understand page relevance and importance on your site. And they provide a better user experience by connecting your content.