An internal link is any link from one page on your website to another page on your website. Both your users and search engines use links to find content on your website. Your users use links to navigate through your site and to find the content they want to find. Search engines also use links to navigate your site.
If your website content does not link each other with internal linking, we recommend linking your important pages with proper anchor text links.
It’s crucial for your site’s SEO to evaluate and improve its internal linking strategy regularly. It’s one of the ways to improve the fitness of your website. By adding the right internal links, you make sure Google understands: