How to Judge the Value of a Keyword

How much is a keyword worth to your website? If you own an online shoe store, do you make more sales from visitors searching for “brown shoes” or “black boots”? The keywords visitors type into search engines are often available to webmasters, and keyword research tools allow us to find this information. However, those tools cannot show us directly how valuable it is to receive traffic from those searches. To understand the value of a keyword, we need to understand our own websites, make some hypotheses, test, and repeat—the classic web marketing formula.

A basic process for assessing a keyword’s value

 

Ask yourself…

Is the keyword relevant to your website’s content? Will searchers find what they are looking for on your site when they search using these keywords? Will they be happy with what they find? Will this traffic result in financial rewards or other organizational goals? If the answer to all of these questions is a clear “Yes!” then proceed …

Search for the term/phrase in the major engines

Understanding which websites already rank for your keyword gives you valuable insight into the competition, and also how hard it will be to rank for the given term. Are there search advertisements running along the top and right-hand side of the organic results? Typically, many search ads means a high-value keyword, and multiple search ads above the organic results often means a highly lucrative and directly conversion-prone keyword.

Buy a sample campaign for the keyword at Google AdWords and/or Bing Adcenter

If your website doesn’t rank for the keyword, you can nonetheless buy test traffic to see how well it converts. InGoogle Adwords, choose “exact match” and point the traffic to the relevant page on your website. Track impressions and conversion rate over the course of at least 200-300 clicks.

Using the data you’ve collected, determine the exact value of each keyword

For example, assume your search ad generated 5,000 impressions in one day, of which 100 visitors have come to your site, and three have converted for a total profit (not revenue!) of $300. In this case, a single visitor for that keyword is worth $3 to your business. Those 5,000 impressions in 24 hours could generate a click-through rate of between 18-36% with a #1 ranking (see the Slingshot SEO study for more on potential click-through rates), which would mean 900-1800 visits per day, at $3 each, or between 1 and 2 million dollars per year. No wonder businesses love search marketing!

Understanding the Long Tail of Keyword Demand

Going back to our online shoe store example, it would be great to rank #1 for the keyword “shoes” … or would it?

It’s wonderful to deal with keywords that have 5,000 searches a day, or even 500 searches a day, but in reality, these popular search terms actually make up less than 30% of the searches performed on the web. The remaining 70% lie in what’s called the “long tail” of search. The long tail contains hundreds of millions of unique searches that might be conducted a few times in any given day, but, when taken together, comprise the majority of the world’s search volume.

Another lesson search marketers have learned is that long tail keywords often convert better, because they catch people later in the buying/conversion cycle. A person searching for “shoes” is probably browsing, and not ready to buy. On the other hand, someone searching for “best price on Air Jordan size 12” practically has their wallet out!

Understanding the search demand curve is critical. To the right we’ve included a sample keyword demand curve, illustrating the small number of queries sending larger amounts of traffic alongside the volume of less-searched terms and phrases that bring the bulk of our search referrals.

Keyword Research

Resources

Where do we get all of this knowledge about keyword demand and keyword referrals? From research sources like these:

  • Moz Keyword Explorer
  • Google AdWords Keyword Planner Tool
  • Google Trends
  • Microsoft Bing Ads Intelligence
  • Wordtracker’s Free Basic Keyword Demand

We at Moz custom-built the Keyword Explorer tool from the ground up to help streamline and improve how you discover and prioritize keywords. Keyword Explorer provides accurate monthly search volume data, an idea of how difficult it will be to rank for your keyword, estimated click-through rate, and a score representing your potential to rank. It also suggests related keywords for you to research. Because it cuts out a great deal of manual work and is free to try, we recommend starting there.

Google’s AdWords Keyword Planner tool is another common starting point for SEO keyword research. It not only suggests keywords and provides estimated search volume, but also predicts the cost of running paid campaigns for these terms. To determine volume for a particular keyword, be sure to set the Match Type to [Exact] and look under Local Monthly Searches. Remember that these represent total searches. Depending on your ranking and click-through rate, the actual number of visitors you achieve for these keywords will usually be much lower.

Other sources for keyword information exist, as do tools with more advanced data. The Moz blog category on Keyword Research is an excellent place to start.

Keyword Difficulty

What are my chances of success?

In order to know which keywords to target, it’s essential to not only understand the demand for a given term or phrase, but also thework required to achieve high rankings. If big brands take the top 10 results and you’re just starting out on the web, the uphill battle for rankings can take years of effort. This is why it’s essential to understand keyword difficulty.

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