http://www.wordtracker.com/ www.wordtracker.com www.w3.org for validation www.seotoolset.com www.marketleap.com for 3 main tool sets. www.bebuildpages.com www.dmoz.org ; to submit the site to directory. www.searchenginewatch.com www.bruceclay.com www.dogpile.com AWR(advance web ranking) software. http://www.keyrow.com  http://www.webseoanalytics.com http://www.pagerank.net/seo-tools/ http://www.seocentro.com/tools/search-engines/keyword-position.html http://www.searchenginejournal.com/ http://www.backlinkwatch.com http://www.vaughns-1-pagers.com/internet/google-ranking-factors.htm http://searchenginewatch.com/ http://computer.howstuffworks.com/search-engine1.htm http://computer.howstuffworks.com/search-engine.htm http://websearch.about.com/library/cheatsheet/blgooglecheatsheet.htm http://websearch.about.com/library/cheatsheet/blyahoocheatsheet.htm Seomoz.org http://www.topseos.com http://www.digitalpoint.com/tools/adsense-charts/ http://searchengineland.com/ http://www.google.com/sitemap.html http://www.topseos.com/search-engine-marketing-tools http://linkmonitor.submitexpress.com/index.php http://linkcounter.submitexpress.com/ http://www.smartpagerank.com/ http://www.prchecker.info http://www.prcheckingtool.com/ http://www.submitexpress.com/linkpop/ http://www.seocompany.ca/tool/search-directory/ forums.digitalpoint.com http://www.webmasterworld.com/ http://www.smartpagerank.com/pagerank-backlinks.php www.websitegrader.com ; Google … Read more