SEO中文网站

Free Keyword Searching tools(免费查询关键字工具)

http://www.keyworddiscovery.com/search.html
http://www.digitalpoint.com/tools/suggestion/
http://www.google.com/webhp?complete=1&hl=en
http://www.related-pages.com/adwordskeywords.aspx
http://inventory.overture.com/

Website Analysis tools(网站分析工具)

Google Analytics http://www.google.com/analytics/
WebTrends http://www.webtrends.com/
StatCounter http://www.statcounter.com/
OneStat.com http://www.onestat.com/
Omniture http://www.onestat.com/
Site Meter http://www.onestat.com/
WebSTAT http://www.webstat.com/
ClickTracks http://www.clicktracks.com/
Awstats http://awstats.sourceforge.net/
Fireclick http://www.fireclick.com/


Site ranking free tools(网站排名查询工具)
www.alexa.com
www.compete.com
www.ranking.com
www.nielsen-netratings.com/

Keyword density checker tools(关键字密度查询工具)

www.ranks.nl
www.keyworddensity.com
www.seochat.com/seo-tools/keyword-density
http://www.seobench.com/keyword-density-analyzer/
http://www.stargeek.com/keyword_density.php
http://www.virtualpromote.com/tools/keyword-analyzer/
www.golexa.com/

Back link Checker反链查询)
http://www.backlinkwatch.com/
http://www.webconfs.com/anchor-text-analysis.php
http://www.prsearch.biz/inbx.php