GenerateMeta is a Plugin written for Joomla! that generates the article meta description and keywords automatically so that you don't have to take the time.  You can set your Meta description length.  Page title (optional).  Choose page header title order Front-Site / Site-Front / Front / Site.  Minimum word length for keyword.  Number of keywords.  Set static keywords that will always show.  Ignore (more or less a blacklist) word-list that you can edit and add words that will not be added. Option to save with article.  Use the title, content or both title and content.  Set robot meta.  Google verify.  Not compatible with K2