第一部分：关键词工具

关键词研究工具：适当深入地进行关键字研究,为 你的网站进行栏目划分及规范关键词部署做准备。
1.Keyword Research Tool – Webmaster toolkit
(http://www.webmaster-toolkit.com/keyword-research-tool.shtml)
2. Keyword External Tool – Google Adwords
(https://adwords.google.com/select/KeywordToolExternal)
3. Keyword Selector Tool – Inventory Overture
(http://inventory.overture.com/d/searchinventory/suggestion/)
4. Keyword Suggestions Overture – SEO Chat
(http://www.seochat.com/seo-tools/keyword-suggestions-google/)
5.Website Keyword Suggestions – Webconfs
(http://www.webconfs.com/website-keyword-suggestions.php)
6. Keyword Suggestion Tool – Self SEO
(http://www.selfseo.com/keyword_suggestion_tool.php)

关键词密度：一个关键字、词在页面出现的个数及所占文本的比率。
7. Keyword Density – SEO Chat (http://www.seochat.com/seo-tools/keyword-density/)
8. Keyword Density & Proeminence – Ranks (http://www.ranks.nl/tools/spider.html)
9. Keyword Density Analyzer – Keyword density (http://www.keyworddensity.com/)
10.Analyze Keywords Density – Google rankings (http://googlerankings.com/ultimate_seo_tool.php)
11.Keyword Density Checker – Webconfs (http://www.webconfs.com/keyword-density-checker.php)
12.Keyword Density Analyzer Tools – SEO Book (http://tools.seobook.com/general/keyword-density/)

竞争对手分析:可以分析目标关键词的竞争对手是谁，并分析竞争对手用过的关键词。
13.Competition Tool – SEO Digger (http://seodigger.com/)
14.Competition Analysis Tool – Seoscorecard (http://www.seoscorecard.com/)
15.Top Competitor Tool – Webuildpages (http://www.webuildpages.com/seo-tools/top-competitor- tool.php)

搜索引擎关键字位置的工具: 利用这些工具来检查你的关键词目前在主要搜索引擎如Google, Yahoo, MSN所处的位置。
16.Search Engine Keyword Position – SEO Chat (http://www.seochat.com/seo-tools/search-engine-keyword-position/)
17. Keyword Analysis Tool – Mcdar (http://www.mcdar.net/KeywordTool/keywordtool.asp)
18. SERPS Position Checker – LinkVendor (http://www.linkvendor.com/seo-tools/serps-position.html)
19.Website Position Tool – Rnk1 (http://www.rnk1.com/)