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What is Dynamic Keyword Insertion (DKI)?

The "chameleon" feature for your ads.

Imagine you run a shoe store. You sell "red shoes," "blue shoes" and "green shoes," and you don’t want to write a separate ad for every color.

DKI solves this. It automatically inserts the keyword that triggered your ad into your ad text.

• Keyword "red shoes" triggers the ad: Headline says "Buy Red Shoes"

• Keyword "green shoes" triggers the ad: Headline says "Buy Green Shoes"

This makes your ad look highly relevant to the search, which can increase your click-through rate (CTR).

Note: DKI inserts your keyword, not the user’s exact search term. That is why clean, well-chosen keywords matter.

How to Use the Code (The { } Method)

It’s easier than it looks.

To use DKI, type a special code directly into a headline (or description) field in Google Ads:

{KeyWord:Default Text}

KeyWord: Tells Google to insert the keyword that triggered the ad.

Default text: Your backup. If the keyword is too long to fit, Google shows this text instead.

Example: Headline: Buy {KeyWord:Our Best Shoes}

1. Keyword "leather boots" (short enough) → Ad shows: "Buy Leather Boots"

2. Keyword "expensive italian leather boots for men" (too long) → Ad shows: "Buy Our Best Shoes" (the default text)

Capitalization Matters

Controlling how your ad looks.

You control capitalization by how you write KeyWord inside the code.

• {keyword:shoes} → red shoes (all lowercase)

• {Keyword:shoes} → Red shoes (first letter capitalized)

• {KeyWord:shoes} → Red Shoes (title case, recommended)

• {KEYWord:shoes} → RED Shoes (first word in capitals; rarely useful)

Best practice: Use {KeyWord:Default} in headlines so they look consistent and professional.

The Danger Zone (Safety Warning)

When DKI goes wrong.

DKI is powerful, but it can backfire if you aren’t careful.

The competitor trap: If you bid on a competitor’s brand name (e.g., "Nike") and use DKI, your ad might say "Buy Nike." If you are not Nike or an authorized seller, this can violate Google’s trademark policy and get your ads disapproved or restricted. Don’t use DKI in ad groups with competitor or brand keywords.

The grammar trap: If your keyword is "cheap boots" and your headline is "We Sell {KeyWord:Boots}," the ad becomes "We Sell Cheap Boots." But if the keyword is "boots cheap," the ad becomes "We Sell Boots Cheap," which sounds awkward.

ClickSambo tip: DKI can attract more clicks because the ad looks so specific. Make sure those clicks come from real people; bots click relevant-looking ads too. ClickSambo blocks invalid clicks before they eat into your budget.