How to Set Up Google Ads Negative Keywords for Ecommerce

Set up ecommerce negative keywords by defining the product or customer intent to exclude, reviewing mature search-term and order evidence, checking product and positive-keyword overlap, choosing a deliberate negative match type and scope, and validating both margin and blocked demand. Use feed or product controls when the problem is inventory rather than search intent.

Start with Google’s negative keyword guide, Search terms workflow, and list-management guidance.

1. Define the unwanted product intent

Write why a query should not receive this campaign’s product offer. The reason could be a different product, incompatible size or material, unavailable service area, job-seeking intent, free or download intent, used-product need, or a product the store does not stock.

Record one blocked example, one similar query that must remain eligible, and one edge case. Do not start with a generic list of words. “Repair,” “cheap,” “manual,” “used,” and “free” can describe either a mismatch or a profitable product depending on the catalog.

Separate a genuine search-intent mismatch from a product-page, feed, price, stock, shipping, or checkout problem. A negative keyword is not the right fix for every ecommerce inefficiency.

2. Gather search-term and order evidence

Open the Search terms report for the exact campaign and a meaningful date range. Review cost, clicks, orders, conversion value, contribution, margin, new-customer share, product, stock, refunds, and returns. Include the normal order and financial lag.

Prioritize repeated mismatches with material spend or clear incompatible intent. One low-volume query that did not order is not enough to block a category. Check whether the feed showed the right product and whether tracking attributed the order correctly.

Record the report date range, candidate query, reason, owner, and proposed application date. A negative added today cannot change historical reporting. Note promotions, stockouts, pricing, shipping, feed, creative, and landing-page changes beside the evidence.

3. Check the product and positive setup

Search the product titles, descriptions, landing pages, positive keywords, search themes, product groups, and campaign structure for the candidate term. Ask whether the word is core to another product or campaign.

Before excluding “repair,” for example, check whether the store sells repair kits or replacement parts. Before excluding “cheap,” check whether an entry product is intentionally priced for that demand. Before excluding a location, check shipping and service coverage. Document an intentional routing rule if a query should be served by another campaign.

4. Choose a negative match type

For Search campaigns, choose negative broad, phrase, or exact from the exclusion rule. Google’s documentation describes the behavior:

Negative broad match: all words in the negative keyword must occur in the search, in any order.
Negative phrase match: the complete terms must occur in the same order, with possible extra words before or after.
Negative exact match: the same terms must occur in the same order without extra words.

Use broad when every word in the category should be excluded regardless of order, phrase when the ordered concept is the mismatch, and exact when only one known query should be blocked. Negative keywords do not automatically match close variants, synonyms, or every singular and plural form. Add a form only when it represents the same unwanted intent.

Do not widen a negative because one longer query remained eligible. First check whether the longer query is actually a mismatch or a valuable product search.

5. Choose the narrowest scope

Apply the exclusion where the product rule exists:

Ad group: one product theme or collection is affected.
Campaign: all products share the offer, location, inventory, or budget.
Negative keyword list: several campaigns share the same reviewed rule.
Account level: the exclusion is genuinely global for relevant inventory.

Check every campaign receiving a shared list. An employment-intent list can be right for a retail campaign and wrong for a recruitment product. A used-product list can be right for a new-only campaign and wrong for a refurbished catalog. The broadest scope has the largest risk of blocking a valid offer.

6. Add or update the exclusion

In the relevant negative-keyword view, confirm the account, campaign, ad group, keyword text, and selected match type. If using a shared list, record the list name, purpose, owner, review date, source report, and applied campaigns.

Google’s management guidance describes adding negatives to ad groups, campaigns, and lists. Interface labels can change, so read the saved row back instead of relying on a remembered menu path.

Do not use a list as an unreviewed archive. Remove duplicates, obsolete terms, and exclusions that no longer match the catalog. When the offer changes, review any negative that mentions a product, material, use case, or customer type.

7. Check network and inventory behavior

Confirm whether the candidate belongs to Search, Shopping, Display, Video, or another campaign type. Google documents Search negative broad, phrase, and exact behavior. Display and Video negative keywords have different and less precise behavior. Content, placement, product, or audience controls may be better when the problem is not search intent.

For Shopping or account-level controls, verify the current scope and eligible campaign types. Do not describe a negative as a universal product filter until the current campaign documentation and interface confirm that behavior. Use feed availability and product structure when the problem is stock or catalog eligibility.

8. Verify the saved configuration

Reopen the negative-keyword view after saving. Confirm keyword text, match type, status, campaign or ad-group scope, shared-list association, and account-level source. Check Change history and preserve the prior known-good configuration.

If a supposedly excluded query appears in new reporting, check date range, application date, campaign, network, match type, word order, close-variant behavior, and another list or account-level rule. Google’s troubleshooting guide supports this sequence.

If a valuable product query stops showing, inspect negative overlap before changing the positive keyword. Remove or narrow the negative, verify the campaign and product, and record the rollback reason.

9. Monitor commerce quality

Compare new search terms, spend, orders, contribution, margin, returns, refunds, new-customer quality, and product coverage after the normal lag. Ask two questions: did the unwanted category decline, and did qualified product demand remain available?

A lower click count is not enough. Set a rollback threshold for qualified orders, revenue, contribution, or product coverage. If the data is inconclusive, stop adding broader negatives and collect more evidence.

Revisit the exclusion after a product launch, price change, market expansion, feed update, new shipping rule, or checkout release. Ecommerce intent evolves with the catalog.

Common ecommerce setup mistakes

Adding a negative from one non-converting query without mature evidence.
Treating generic words such as “free,” “cheap,” or “repair” as universal mismatches.
Ignoring product titles, positive keywords, feed, landing page, and stock.
Applying a campaign-specific exclusion through an account-level list.
Assuming negative keywords match close variants or all word forms.
Copying Search behavior to Display, Video, Shopping, or other inventory.
Using a negative to hide a temporary price, feed, shipping, or checkout issue.
Measuring only spend reduction while missing blocked profitable demand.
Failing to save an owner, review date, examples, and rollback condition.

Use a narrow, evidence-based exclusion and keep the product path that the store still wants to sell.

Ecommerce negative-keyword checklist

Confirm unwanted intent, blocked and preserved examples, search-term range, mature order and margin data, stock and shipping context, positive overlap, negative match type, campaign or list scope, network behavior, list association, owner, review date, application date, monitoring metric, and rollback. Use the ecommerce negative-keyword framework and negative keyword checklist for a second review.

Start with one repeated mismatch and the narrowest supported scope. Recheck profitable product searches after the normal order, refund, and return lag.