nukeSEO is a GPL PHP-Nuke administration function that enables ethical PHP-Nuke SEO search engine optimization though powerful tools and a methodical approach to review and validate the robots.txt file, research keywords, calculate keyword relevancy, calculate keyword density, "suggest keywords" and identify similar keywords via Wordtracker and Overture, perform competitive analysis by keyword, maintain meta tags, generate and submit Google sitemaps (sitemap.xml), submit your site to major search engines, and monitor results, including keyword ranking / position (SERP), search engine saturation, link popularity, and (tentatively) Alexa traffic ranking.