A business buying traffic for “office cleaning” may also encounter people looking for cleaning jobs, training or household cleaning products. Those searches share vocabulary with the service but represent different needs. The task is to separate intent carefully, not to remove every phrase that has not yet converted.
Understand keywords and search terms
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A keyword is an advertiser’s targeting input. A search term is the query someone actually used. Google’s search terms report helps advertisers inspect reported queries, although it does not expose every individual search. Review it alongside lead quality and campaign settings. [1]
Start with terms that clearly contradict the offer. A service-only company may not want product shopping searches. A provider serving one city may need to review searches for distant locations. However, a place name can also appear because someone is arranging a service for another person, so context still matters.
Write a short reason beside each proposed exclusion. “Recruitment intent” or “product not sold” is more useful than “bad keyword.” The reason lets another team member challenge the decision and protects the account when services change.
| Reported search | Business context | Proposed response |
|---|---|---|
| Office cleaning jobs | No recruitment campaign | Consider a jobs exclusion |
| Office cleaning quotation | Commercial cleaning sold | Keep and assess relevance |
| Free cleaning inspection | Free inspections offered | Do not exclude free automatically |
| Sofa cleaning machine price | Machines not sold | Review product-shopping exclusion |
| Cheap office cleaning | Budget service available | Assess quality before excluding |
Choose the match type deliberately
For search campaigns, negative broad match generally blocks queries containing all the negative terms, regardless of order. Negative phrase match requires the terms in the specified order. Negative exact match targets the specific query without additional words. Negative keywords do not automatically cover close variants. [2]
That distinction matters when the proposed exclusion contains more than one word. A narrow exact exclusion may solve one clearly unsuitable query while leaving neighbouring demand available. A broad exclusion can be appropriate when the intent is consistently irrelevant, but it deserves a conflict check.
Do not assume one spelling or singular form covers every variation. Review variants that appear in your data. Also avoid copying rules between search and other campaign contexts without checking the applicable platform documentation.
Apply exclusions at the right scope
An exclusion that makes sense for one service may be wrong for another. A business offering paid training and consulting might exclude “course” from a consulting campaign, yet need that same word in its training campaign.
Use account-wide or shared exclusions only when they are unsuitable across the affected business activity. Keep service-specific decisions closer to the campaign or ad group that requires them. Record the date, reason and scope so a later reviewer can understand the account.
Before saving, ask whether the negative could overlap with a useful keyword, an actual product name or an advertised offer. A brief review is cheaper than discovering that an important campaign stopped reaching its audience.
Distinguish irrelevant traffic from weak performance
A search can be commercially relevant and still fail to convert during a small sample. The page might be slow, the offer unclear, the price unsuitable or the response process broken. Excluding the query hides the symptom without correcting the cause.
For relevant terms, inspect the landing page and available lead evidence. If visitors consistently ask for a service you do not provide, the exclusion case is stronger. If qualified prospects arrive but fail to book, the campaign may need a better offer or sales process.
Use cost and conversion data to prioritize review, but avoid a rigid rule such as excluding every query after five clicks. Different buying cycles and acquisition values require different evidence. Clearly irrelevant intent can be removed quickly; uncertain commercial intent needs more thought.
Establish a repeatable review routine
Review new campaigns frequently enough to catch obvious mismatches before they consume a large share of the budget. As the account stabilizes, choose a cadence suited to its spend and volume. Record newly excluded themes and check whether useful impressions or enquiries fall unexpectedly afterward.
Revisit old lists when the business introduces a product, enters a new city or changes its offer. Yesterday’s irrelevant query may become tomorrow’s ideal customer. A negative keyword list is part of campaign maintenance, not a document that stays correct forever.
Frequently asked questions
Should free always be a negative keyword
No. It can be relevant to a free consultation, inspection or trial. Exclude it only where the actual intent conflicts with the advertised offer.
Do negative keywords stop every unwanted click
No. They address selected search intent mismatches. Other causes of poor traffic require targeting, placement, offer or measurement changes.
Can an AI tool write my negative keyword list
It can suggest candidates, but a person should check business context, match type and conflicts before applying them. Do not let a generated list make account-wide decisions without review.
A structured HuzDigital PPC review can connect search terms, exclusions and lead quality instead of optimizing the list in isolation.





