This plugin is used to automatically adds keywords and description meta tag on every page based on title, tags, categories, etc. This is very simple but very powerful plugin for SEO.
If the page is post, it will sets all title, category, and tags as keywords meta tag. If it is category page, the keywords will be category name, same work for tags.
It will reduce the work of adding manual keywords every post or even every page of the blog.
Requires WordPress Version: 2.0.2 or higher