One of the toughest decisions that internet marketers must make when when writing articles and website content is what keywords they should optimize the site for. This is not a simple question to answer. When you are trying to get a high search engine ranking for a specific keyword, your keyword relevance is critical. This article discusses some free keyword marketing research tolls to make this task simpler.

The first step in choosing the right keywords is to brainstorm. Most of the time this can be done in a few minutes.

If you choose keywords that millions of others are using to promote their websites, your chances of getting a high page ranking are slim to none. Even if there are just a few thousand, you may have challenges if there are only a couple of dozen people using that keyword in their search. What you need are the keywords with least supply from other websites and high demand from search engine users.

For a while, http://inventory.overture.com was a popular free keyword marketing research tool. This tool, however, may no longer be available form Yahoo.

1 . http://www.pixelfast.com/overture/

This overture based tool appears to still be working. It will give the same results as inventory.overture.com. Simply type your keyword phrase in the box on the top left corner and click GO.

2. http://www.vretoolbar.com/keywords/

This tool also uses the Overture database. Just type your keyword phrase in the search box, and click on Suggest. If you get an error message, keep clicking on Suggest until the results display.

3. http://www.domaincountry.com/

This tool is a useful free keyword marketing research tool that gives two different database results for your key phrases. There is no search button so you will need to press ENTER to conduct the search.

4. Niche Taxi

Niche taxi works well as a free keyword marketing research tool. Just enter your keyword phrase in the search box and click OK. Check the box below the search box that says, "I Agree to the http://nichetaxi.com Terms & Conditions" Niche Taxi will then give you a list of results.

5. Nichebotclassic

Enter the keyword phrase into the search box and click search. This free keyword marketing research tool gives ten results with numbers saying how many searches were made during the last month. You can then click on on the words to drill down into the niche.

6. Google Adwords Keyword Research Tool

This is the research tool Google has put together. Look for higher search volume for your main keyword and then smaller search volume for your niche keywords within those phrases.

These free keyword marketing research tools will help you find the bottom feeding keywords you need to optimize your articles and website.