Originally published on March 2, 2010, and updated in July 2026 for responsive search ads. Dynamic Keyword Insertion is a Google Ads feature that automatically adapts part of an ad’s text to the [...]

Originally published on March 2, 2010, and updated in July 2026 for responsive search ads.

Dynamic Keyword Insertion is a Google Ads feature that automatically adapts part of an ad’s text to the keyword that triggered it.

Also known as DKI, it can make an ad feel closer to the language used by a potential customer and reduce the number of similar variations an advertiser has to manage. However, it is not a shortcut. If an ad group contains unrelated or poorly organized keywords, DKI can produce unnatural wording, inconsistent promises, or irrelevant ads.

What is Dynamic Keyword Insertion?

With DKI, Google Ads attempts to replace a piece of code in the ad with the keyword that helped trigger it. When the keyword cannot be inserted, Google displays default text chosen by the advertiser.

For example:

Shop {KeyWord:Sports Shoes}

If the ad group contains keywords such as “running shoes” and “hiking shoes,” Google may display:

• Shop Running Shoes
• Shop Hiking Shoes

If the keyword is too long or cannot be inserted, the ad uses the fallback text: “Sports Shoes.”

A keyword and a search query are not the same thing

This is the most important distinction to understand. A search query is what the user actually types into Google. A keyword is the targeting term configured by the advertiser inside the ad group.

For example:

• User’s search: lightweight shoes for running on roads
• Keyword that triggers the ad: running shoes
• Code: Shop {KeyWord:Sports Shoes}
• Possible headline: Shop Running Shoes

DKI does not automatically copy the user’s full search. It inserts the keyword stored in the account. This difference is particularly important with broad match, which can trigger ads for searches written in very different ways.

How does DKI syntax work?

The basic code is:

{keyword:default text}

The text after the colon is displayed whenever Google cannot insert the keyword. The fallback should therefore be short, relevant, and written as a genuine advertising message.

Capitalization options

• {keyword:running shoes}: all words remain lowercase.
• {Keyword:Running shoes}: only the first word is capitalized.
• {KeyWord:Running Shoes}: each main word begins with a capital letter.

In English-language headlines, {KeyWord:...} is often the most natural option. However, the final choice should follow the brand’s editorial style and still be checked against every keyword in the ad group.

When is the default text used?

Google may display the fallback text when:

• the keyword would make the headline or description too long;
• the resulting text does not comply with editorial or advertising policies;
• the keyword includes a trademark subject to restrictions;
• keyword insertion is unavailable for that ad type;
• the combination cannot be served correctly.

How to add Dynamic Keyword Insertion to an RSA

In responsive search ads, keyword insertion can be used in headlines, descriptions, and display URL paths.

1. Open or create a responsive search ad.
2. Place the cursor in the field you want to customize.
3. Type an opening curly bracket: {.
4. Select the keyword insertion option.
5. Enter the default text.
6. Choose the preferred capitalization.
7. Review the previews before saving the ad.

You can also enter the code manually:

{KeyWord:Google Ads Consulting}

Before publishing, mentally replace the code with every keyword in the ad group. “Experts in Google Ads Management” may work, while “Experts in Google Ads Quote” sounds unnatural. When keywords require different grammatical structures, they should be separated.

An example of well-designed Dynamic Keyword Insertion

Suppose you are promoting a campaign management service. The ad group contains:

• Google Ads consulting
• Google Ads management
• Google Ads agency

A dynamic headline could be:

{KeyWord:Google Ads Consulting}

The other RSA headlines can communicate information that the keyword alone does not express:

• Data-Driven Strategy
• Conversion Tracking Included
• Continuous Optimization
• Request an Account Review

In this structure, DKI strengthens relevance while the static assets communicate benefits, process, and the call to action.

If the same ad group also contained “Google Ads course,” “Google Ads jobs,” and “how much does Google advertising cost,” the setup would be weak. These searches represent different intentions and require dedicated ads and landing pages.

What benefits can DKI provide?

Greater perceived relevance

A headline containing a keyword close to the user’s search may attract attention more easily. This does not automatically make the ad better: it must still present a credible and relevant offer.

Easier management of similar variations

DKI can cover several closely related variants without requiring dozens of almost identical ads. It is most useful for consistent product categories, equivalent services, or ad groups built around a single intent.

More room for benefits and differentiation

A dynamic headline can handle part of the relevance task, leaving the other assets available for evidence, benefits, guarantees, differentiators, and calls to action.

The outcome must still be validated with data. Repeating a keyword does not necessarily increase conversions or reduce acquisition costs.

The main risks of Dynamic Keyword Insertion

Grammatically incorrect phrases

Singular and plural forms, articles, prepositions, and sentence structure may vary from one keyword to another. The code can be technically correct while producing poor copy.

Discover Our {KeyWord:Service}

This works with “SEO Service,” but it may not work naturally with “Google Ads Consultants.”

Poorly themed ad groups

DKI does not fix a disorganized campaign structure. Repeating a keyword in the headline does not make an ad relevant when informational, commercial, and transactional intentions are mixed together.

Uncontrolled trademarks and claims

Competitor names, trademarks, and terms such as “official,” “free,” or “guaranteed” may create editorial, legal, or credibility problems. A keyword that can be used for targeting is not automatically suitable for use in ad copy.

An inconsistent landing page

If the ad changes according to the keyword but the landing page remains generic, personalization ends after the click. The promise made in the ad should continue through the offer, page content, supporting evidence, and call to action.

When should you use Dynamic Keyword Insertion?

DKI is generally suitable when:

• the keywords are highly similar;
• they share the same search intent;
• they lead to the same landing page;
• every keyword produces a natural phrase;
• the default text is always relevant;
• you want to combine dynamic relevance with static conversion-focused messages.

When is it better to avoid DKI?

Static headlines or separate ad groups are usually preferable when:

• the keywords represent different needs;
• the message requires strict legal control;
• the group contains several trademarks or competitor names;
• the keywords are long or grammatically incompatible;
• the landing page does not answer every variation;
• the industry is regulated or particularly sensitive.

Best practices for using DKI correctly

1. Organize keywords by intent

Each ad group should represent a recognizable topic, offer, and customer need. If a keyword does not fit naturally into the same ad as the others, it probably deserves a separate group.

2. Write a competitive fallback

The default text should not feel like a backup. It must work as effective copy whenever it is displayed instead of the keyword.

3. Check every possible combination

Review grammar, length, meaning, capitalization, and policy compliance for every keyword in the group.

4. Limit the dynamic portion

In many cases, one dynamic headline is enough. The remaining assets can communicate benefits, authority, process, and calls to action.

5. Review search terms

Monitor the real searches triggering your keywords, especially when using broad match. Add negative keywords when irrelevant intentions appear.

6. Measure conversions, not only CTR

Evaluate cost per qualified lead, conversion rate, sales value, and ROAS. More clicks do not necessarily mean better business results.

Frequently asked questions

Does DKI insert the user’s exact search?

No. It inserts a keyword from the ad group that triggered the ad. The query typed by the user may be different.

Does it work in responsive search ads?

Yes. It can be used in RSA headlines, descriptions, and display URL paths.

What happens when the keyword is too long?

Google uses the default text included in the code, provided it complies with the field’s limits and applicable policies.

Does it automatically improve Quality Score?

No. It may contribute to ad relevance, but Quality Score also considers expected CTR and landing page experience. The outcome must be measured.

Can it be used in Dynamic Search Ads?

No. Dynamic Search Ads do not use traditional keyword targeting and do not support keyword insertion.

Conclusion

Dynamic Keyword Insertion remains useful, but only when it is built on a well-organized campaign. Consistent keywords, an effective fallback, carefully reviewed ads, and aligned landing pages matter more than the code itself.

The practical rule is simple: manually replace the code with every keyword in the ad group. If even one combination sounds unnatural, ambiguous, or inconsistent with the offer, separate the keywords more carefully or use a static headline.

Sources and further reading

• Google Ads: About keyword insertion
• Google Ads: Set up keyword insertion
• Google Ads: About responsive search ads