In economics, supply and demand describe market relations between prospective sellers and buyers of a good. (wikipedia.org)
In search engine optimization, we can use the supply and demand model to describe the relationship between the people searching for specific keywords (the demand) and the people creating content to meet that demand (the supply).
The following is a simplified explanation on how to visualize the supply and demand of keywords.
The more information you can gather when determining your most valuable keywords for SEO and SEM, the better. With IceRocket’s Blog Trend Tool, you have the ability to find out what is most popular in the blogosphere and view the trends for any keywords (comparing up to three at a time).
Google has a similar tool called Google Trends (see: Keeping Ahead of your Competition With Google Trends). However, Google’s tool focuses mainly on the search volume and news stories for keywords.
IceRocket.com now has a trend tool which allows you to see the popularity of your keywords over a period of time within the blogosphere.
At the end of this article, I give examples of how to use the two together.
Microsoft AdCenter Labs is a site that explores and announces some of their latest technologies in the works.
Although many of the working demos showcased in Microsoft AdCenter Labs include functionality that can be found in both Google and Yahoo, there are a few that hold some merit.
Google Keyword Trends allow you to see how your selected keyword or keywords (separated by commas) performed over a period of time. Currently, you can view keyword trends both on the Search Volume and the News Reference Volume. However, Google Keyword Trends does not provide you with actual numbers for the scale, it’s all relative.
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In 10 simple steps and Excel 2007, you can build your own Keyword Research and Analysis Heatmap.
EDIT: The Overture Keyword Tool is back online…
However, the data is still from January 2007, which is very outdated.
So, whether this keyword tool will remain to be around for some time, the links below still provide alternatives to the Overture Keyword Tool that are more stable, faster, and have more accurate and up to date information.
Below is the shortlist. The tools that we find most useful, available free, that are very similar to the Overture/Yahoo Keyword Selector Tool. This list is in no specific order. Some tools may be more useful in some situations than the rest, so we leave it up to you to decide which ones you like the best.
