Shopping campaigns do not use keywords for targeting, but you can use negative keywords to prevent ads from showing for specific search terms. This is a primary method for refining traffic and ensuring your budget is spent on relevant queries. Because Google Shopping ads rely on product data rather than keyword matches, the negative keyword list acts as a filter for the automated system. By implementing these exclusions, you stop your products from appearing for searches that do not align with your inventory or sales goals.
Why should you use negative keywords in Shopping?
A common pattern in a typical account is the waste of budget on irrelevant search terms that trigger product displays. Since Google automatically matches your product titles and descriptions to user queries, the system sometimes makes mistakes. For instance, if you sell high-end leather boots, you might inadvertently show up for searches about cheap boot repair kits or free boot cleaning tutorials. These clicks rarely result in sales and consume budget that could be allocated to customers ready to make a purchase. By setting negative keywords, you block these specific terms, forcing the system to focus on queries that show commercial intent. This creates a more focused account structure without the need for manual keyword bidding.
How do you identify which keywords to exclude?
Identifying the right terms to block requires a routine check of your Search Terms report inside the Google Ads interface. When you navigate to the Campaigns tab and select your Shopping campaign, you can click on the Keywords menu and then the Search Terms section. Here, you will see exactly what users typed into Google before clicking your ad. You should review this data at least once every two weeks to spot patterns. Look for terms that are clearly unrelated to your product line, such as ‘used’, ‘free’, or ‘repair’. For a typical account, these high-volume, low-intent terms represent the first candidates for your negative keyword list. Organize these terms in a spreadsheet before adding them to your campaign to ensure you do not accidentally block relevant traffic.
Where can you add negative keywords?
You have two main options when applying negative keywords in your Google Ads account. You can apply them at the campaign level or the ad group level. Applying them at the campaign level is often better for broad terms that should never trigger your products, such as ‘cheap’ or ‘DIY’. If you have a specific product line that should not show for certain queries, using the ad group level allows for more granularity. Additionally, you can create a Negative Keyword List in the Shared Library. This allows you to apply the same list of negative terms across multiple campaigns simultaneously, saving time and reducing the risk of human error during setup.
Comparison of negative keyword application levels
| Level | Scope of Impact | Ideal Use Case |
|---|---|---|
| Campaign | All ad groups in the campaign | Blocking terms for an entire product category |
| Ad Group | Specific ad group only | Refining traffic for a specific product subset |
| Shared List | Multiple selected campaigns | Blocking common irrelevant terms across account |
What is the best way to manage your lists?
Maintaining a clean list of negative keywords is a continuous task that requires attention to detail. A sound strategy involves categorizing your negative terms into themes, such as brand-related exclusions or intent-based exclusions. By grouping these terms, you make it easier to audit your settings later. If you find that your ads are no longer showing for relevant queries, you can quickly check your lists to see if you accidentally included a term that was actually helping your performance. Always test the impact of adding a large block of negative keywords by monitoring your impression share and click-through rate in the days following the update.
Common mistakes to avoid
- Adding too many negative keywords too quickly without reviewing the actual search terms.
- Blocking broad terms that actually contain high-intent modifiers for your specific products.
- Neglecting to check the Negative Keyword Lists in the Shared Library before starting a new campaign.
- Failing to review the Search Terms report for at least 30 days.
- Using exact match negatives for terms that should be blocked in all variations.
How Alien Road applies negative keyword strategies
At Alien Road, we follow a structured approach to managing Google Shopping accounts for our clients. During the initial setup, we perform a deep audit of the client’s product data to predict potential search misalignments. We then implement a baseline of industry-standard negative keywords to prevent common non-converting traffic. For example, in a typical engagement with an e-commerce store, we establish a shared list of negative terms that covers generic search behavior, such as ‘how to’ or ‘definition’ queries. We then transition into a monthly review process where we analyze the search term data to refine these lists. This ensures that the budget remains focused on high-intent shoppers, allowing us to maintain a stable cost-per-acquisition over time.
Steps to implement your first negative keyword campaign
- Navigate to the Campaigns tab and open your active Shopping campaign.
- Click on the Insights and Reports menu to view the Search Terms report.
- Select the terms you want to exclude and click ‘Add as negative keyword’.
- Choose between Campaign or Ad Group level based on your specific requirements.
- Save your changes and monitor your performance metrics for the next 7 days.
Frequently Asked Questions
Does Google Shopping use negative keywords like Search campaigns?
Yes, the mechanism is identical to Search campaigns. Even though you cannot bid on keywords, you can still use the negative keyword feature to filter out unwanted traffic. Once you add a term to your negative list, Google will prevent your product ads from appearing whenever that term is part of a user’s search query, regardless of the match type.
How many negative keywords should I add?
There is no fixed limit or requirement for the number of negative keywords. You should only add terms that have proven to be irrelevant or detrimental to your conversion goals based on your search term report. Adding irrelevant terms just to have a long list is not a useful practice and can lead to accidental exclusion of profitable traffic.
Can negative keywords hurt my campaign performance?
They can hurt performance if you are too aggressive with your exclusions. If you block terms that are actually relevant to your products, you will artificially limit your reach and reduce your total conversions. Always verify that the terms you are excluding do not have a history of driving sales for your store before adding them.
What happens if I make a mistake and block a good keyword?
Mistakes are easily reversible. Simply navigate to the Keywords tab within your campaign, click the Negative Keywords section, and remove the term from your list. Once removed, your ads will once again become eligible to show for that search query. The system will update this change within a few hours, allowing you to recover the lost traffic.
Where to start this week
To improve your shopping campaign results this week, download your search term report for the last 30 days. Sort the list by cost to identify high-spend queries that did not result in a sale. These are your primary targets for negative keywords. Add these terms to a shared list so you can easily manage them across your campaigns. Once you have applied these changes, set a calendar reminder for two weeks from now to repeat this process. This simple, recurring check is the most effective way to maintain a clean and profitable advertising account.
Keep reading: Google Advertising · Advertising