Designing Your Site for Search Engine Prominence

Wordtracker 
Wordtracker helps you find all keyword combinations that bear any relation to your business or service - many of which you might never have considered.

Google Dance Tool
The Google Dance Tool is provided as a tool to help you, the webmaster, determine when the Google search engine is spidering the internet. This is extremely useful if you want to know when your site(s) will rank in Google.

Search Engine Watch
Search Engine Watch is a web site devoted to how search engines work, search engine news, search engine information, tips on using search engines, and more about search engines. More information than you can stand! Be sure to sign up for the Search Engine Report mailing list.

Search Engine World
A great resource for everything surrounding search engines. Plenty of articles, tips, and information to help you achieve online success. This site also has in-depth information on the various search engine spiders.

Google Indicateur
A quick and easy way to find any type of information about the world according to Google.

WebProWorld - Search Engine Forums
A form where e-business experts exchange information, advice, tips and strategies on technology and business.

SEO lab: search engine optimization resources
SEO lab explores in full view, how search engines rate/rank different elements of SEO - publicly, and irrevocably - for the benefit of everyone. SEO lab is a public information service and reference point regarding basic Search Engine Optimization issues and techniques.

Search Engine Marketing Professional Organization (SEMPO)
SEMPO is a non-profit professional association working to increase awareness and promote the value of Search Engine Marketing worldwide.

Spider Food
A well rounded site filled with lots of information on search engine optimization. Some topics include keywords, meta tags and link popularity.

Search Engine Forums
Information pertaining to search engines and web site promotion presented in the form of a bulletin board.

Submit It! Search Engine Tips
The purpose of this document is to provide you with background information on search engine technology and some Tips on how to get your Web site to appear on the result pages of search engines and directories.

Bruce Clay -- Search Engine Optimization Tools
Free search engine optimization, ranking, web site promotion, keywords advice, and placement material for designers.

JimTools.com Webmaster's Toolkit Command Center
A number of tools are available on this site that you can use for free. There's information on the search engines, meta tags, link checker, anda link popularity tool.

LinkPopularity.com: The Free Link Popularity Service
A free services that queries AltaVista, Infoseek, and HotBot to check your link popularity.

WebSiteTips.com
Contains a wealth of annotated links to authoritative articles, tips, tutorials, newsletters, and discussions on search engine positioning, promoting your website, website tools, major search directories and search engines, and much more.

Keyword Density Analyzer
Use this tool to analyze the pages of your competition to determine the optimum density for your keywords. Enter the URL and search word or phrase which you would like to analyze.

KeywordCount.com
Use this form  to analyze the keyword frequencies of the top words on a specific Web site.