1. Keyword Suggestion Tool

   Yahoo! and Google Keyword Suggestion Tool - tool shows top keyword phrases from Overture.

   Also links to other keyword research tools, including:

• Overture View Bid
• CompareYourClicks Bid Viewer
• Google Suggest (popular Google search phrases)
• Google AdWords Keyword Sandbox
• NicheBot (which pulls data from WordTracker)

2. Google Suggest Scraper Tool

   Google Suggest Tool - shows frequently search for phrases starting with the words and letters in your query.

3. Keyword Phrase List Generator

   Keyword List Generator - allows you to quickly create large lists of keyword phrases using keywords and modifiers

• Web based
• Really fast
• Makes generating a ton of keyword phrases for your PPC campaign quick and easy

4. Keyword Density Analyzer

   Keyword Density Analaysis Tool - finds common words and phrases on your site.

5. Search Engine Saturation

   Search Engine Saturation Tool - helps you compare how many pages you have in the search indexs compared against competing sites.

6. Page Comparison Tool

   Page Comparison Tool - tool compares the page titles, meta information, and most common two and three word phrases between different pages.

7. Google Rank Checker Tools

   These tools do not use the Google API.

• Basic Rank Checker - checks where your site ranks in Google for a specific keyword.
• Multiple Domain Keyword Ranking Checker - allows you to see where multiple domains rank for a particular keyword.
• Multiple Keyword Phrase Rank Checker - allows you to check where a page ranks in Google for multiple keywords.
• Google Advanced Keyword Rank Checker - allows you to look up your rank in Google in regional databases. Offers other advanced search criteria as well.
• Page Text Rank Checker - tool allows you to check where your site ranks for each phrase or term occuring on the page.

8. Spider Tester Tool

   Spider Test Tool - shows the page size, source code, meta tags, page title, textual copy of the page, keyword breakdown by density (including 2 and 3 word phrases), number of words, number of unique words, and outbound links on a page.

  SEO tool sorce code provided by SEO Book