Well ive always being saying that Google is a webmasters best friend, heres more proof. Google has provided a number of tools for SEO and helping webmasters to provide better content by understanding how and what has more demand in the web world. Below are a list of tools that would help you do the same.
Google Webmaster Tools:  Google Webmaster Tools is a no-charge web service by Google for webmasters. It allows webmasters to check indexing status and optimize visibility of their websites.

Google Analytics: Google Analytics (GA) is a free service offered by Google that generates detailed statistics about the visitors to a website. Its main highlight is that the product is aimed at marketers as opposed to webmasters and technologists from which the industry of web analytics originally grew.

Google Website Optimizer: You can try different versions of your site that will be randomly displayed to visitors, allowing to obtain sufficient data for us to make decisions about design changes.

Everyone, here is a comprehensive list of SEO tools that I utilize when performing SEO. If you have any questions about them, just ask. You are free to copy them and post them to your websites. I only ask that you post a link to my website along with them. Thanks

Originally posted by Wayne from World Famous Gift Baskets.
World Famous Gift Baskets, Corporate Gifts, Holiday Gifts

Google
1. Reporting Spam to Google – http://www.google.com/contact/spamreport.html
2. Use Google to search your website – http://www.google.com/services/free.html
3. Submit your website to Google – http://www.google.com/addurl.html
4. Monitor Keyword Phrases – http://google.com/webalerts (This is neat to check out however does not help that much)
5. Googles Guidelines for Websmasters – http://www.google.com/webmasters/guidelines.html (A must read new people)
6. Facts for Webmasters – http://www.google.com/webmasters/facts.html
7. Having Trouble? Contact Google Directly – http://www.google.com/ads/offices.html
8. Googles Top 3 asked Questions – http://www.google.com/contact/search.html

Froogle
1. Get your products into Froogle – http://services.google.com/froogle/merchant_email

Advertising
1. PPC with Espotting – http://www.espotting.com/advertisers…ferralTypeID=1