Negative Keyword Tips
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One of the easiest ways to optimize your Pay Per Clicks campaigns is to use negative keywords.
Negative keywords are search keywords you wish to exclude.
For example, if you target the term “cars”, and you sell new cars, you may not wish to appear under queries such as “used cars”, “classic cars” or “Best Friend’s Girl by The Cars”.
You can create a negative keyword list, like so:
- used
- vintage
- old
- second hand
- classic
- friends girl
By using negative keywords, you can cut down on unwanted impressions. These unwanted impressions can lower your click-thru rates and quality scores, thus increasing your cost per click. Trimming out that fat can save a lot of money as you are effectively gaining a discount on the rest of your impressions.
You can achieve something similar using a keyword list generator tool and exact match, however this match type means you may miss out on keywords you hadn’t considered, but may well be valuable. For example, you might exact match “cars”, or “new cars” but then you’d miss out on phrases such as “latest model vehicles”.
Look at your search query performance reports to find this data. Keep in mind that most keyword searches are unique, further underscoring the disadvantages of an over-reliance on exact match. There will be many keyword combinations you will never have considered. Part of your early phrase or broad match ad budget can be seen as an expense of buying market data & finding related keyword ideas to inform your future AdWords strategy.
A well constructed keyword list, including negative terms, can result in significant cost savings, as you can bid less than competitors who may not be focusing heavily on unnwanted queries.
Common Search Phrases To Exclude
The problem you’ll likely face is that your keyword reports might contain thousands of terms. There might be many irrelevant terms you need to exclude.
Here are a few short-cuts.
Think about the type of query people are making. Does the query indicate an encyclopedic-style search? Examples include “diagram”, “”map”, meaning of”, “what is”, etc.
Whilst you may be able to sell goods or services using such keywords, it’s most likely such terms indicate the searcher is looking for reference information.
“Free” is another obvious one, unless giving away free stuff is part of your marketing strategy. Closely related terms include “cheap”, “bargains”, “low price” and “sales”. These buyers are buying on price considerations, or wanting something for nothing. Again, unless you’re targeting this end of the market, exclude such terms with a negative match. Also consider excluding those people who want to “do it for themselves”, or seeking methodologies, unless, once again, these are your target markets.
Think carefully about what stage of the buy-cycle you are targeting. For example, you may be targeting people who are seeking information about your products or services. You want a lead, but may wish to close on the phone, or after a meeting. You may not want someone who wants to close a deal online. In these circumstances, terms relating to ordering online, price comparison, etc may be good candidates for negative match.
The Google Keywords tool can be useful for finding these terms. Search on your keywords and see what comes up. The associations can be revealing, especially when evaluating them in terms of of what you don’t want.
You can learn a lot about your demographic, especially if you can pick recurring patterns. For example, people searching on “software” might be looking to “burn” software, or “download free software”, more often than not. Are you seeing a lot of reference queries? A lot of “do it yourself” queries? Look specifically for patterns that indicate buying behavior, or lack thereof.
A high frequency of keywords that don’t indicate an intention to buy might make you rethink your keyword strategy around that term.
Numerous attempts have been made to create comprehensive negative keyword lists, but sometimes you have to go against conventional wisdom and test what works. However the numbers don’t lie. If you have chronic under-performers and/or irrelevant exposure then block them. And if you operate in parallel markets then many of the general themes from one campaign can help give you a stronger starting point for the next ad campaign.
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2 Comments on “Negative Keyword Tips”


February 15th, 2010 at 7:27 am
Hi Giovanna,
You’re right – negative keywords are incredibly important for improving keyword targeting and ultimately improving ROI from PPC.
‘Cheap’ and ‘free’ are good examples, but what is and isn’t relevant will of course depend on your target audience, as you point out.
Downloading a search queriy report and looking for search queries with a low CTR is a technique I find useful for expanding my list of negative keywords.
Cheers,
Alan
May 20th, 2010 at 9:44 am
Hi Giovanna, thanks for a great article. Negative Keywords can save you a lot of money, or if you are willing to keep your PPC spend the same, can make you a lot of money!
Defining negative keywords can be a long, slow arduous task. Either by guesswork or by trawling through loads of enquiry data, most businesses just do not have the time to search for irrelevant keywords and simply end up with a few negative words in their campaigns.
We’ve personally fallen foul of not implementing negative keywords which is why we built a great solution to automate the whole negative keyword process. You can check it out at KeywordTerminator.com and also pick up our Free White Paper, Be Positive – Go Negative.
Cheers, Steve