SEO Internal Links provides automatic SEO internal links for your site, keyword lists, nofollow and much more.
SEO Internal Links plugin provides automatic SEO benefits for your site in addition to custom keyword lists, nofollow and much more configurable options. SEO Internal Links can automatically link keywords and phrases in your posts and comments with corresponding posts, pages, categories and tags on your blog. In case the plugin finds more of once the same word in a post, it will only change the first one. This is to avoid black seo and inconveniences to the users.