What is Auto tagging?
Auto tagging is the method to include tags to your post to enhance your posts seo benefits. It may be tags form the posts or relatively searched terms. IF you want your posts tagged you will enjoy the auto tagging plugins and the benefits it adds to your blog posts SEO.

One of the SEO auto tagging plugin is SEO auto tagging

Auto SEO Tags takes incoming queries from search engines and adds these queries as tags to that post. There is a sample...