Google Ads extensions, officially renamed assets in 2022, are the extra information blocks that appear beneath a text ad: sitelinks, callouts, structured snippets, call, location, price and promotion assets. They add no extra cost per click, make your ad physically larger on the results page, and per industry benchmarks typically lift CTR by 10-25%. This guide covers all seven types, when to use each, how to set them up, and the mistakes that quietly waste their potential.
What are Google Ads extensions (assets)?
Ad extensions are structured pieces of information shown alongside your headlines and descriptions; Google renamed them assets in 2022. An asset is not an ad by itself: the system re-decides at every auction which assets to show with which headlines. The goal is to give searchers more context before the click, which raises the share of qualified clicks.
The critical caveat: asset serving is never guaranteed. Google decides based on Ad Rank (your bid, ad and landing page quality, rank thresholds and search context) whether assets appear at all. A weak account rarely shows even excellent assets. That is why asset work should run alongside Quality Score improvement; each reinforces the other.
Which asset type should you use when?
The rule of thumb: sitelinks, callouts and structured snippets are the baseline trio for every account; call, location, price and promotion assets are added based on your business model. Google's own guidance is to use as many relevant asset types as possible, because the system picks the most relevant combination for each search.
- Sitelinks: Extra clickable links to pages like pricing, contact or categories. Every account should have them; they typically deliver the highest CTR contribution.
- Callouts: Short non-clickable benefit statements ('Same-day shipping', '24/7 support'). Ideal for trust signals that do not fit the headline.
- Structured snippets: A list under a predefined header ('Services: X, Y, Z'). Use them to show range; do not confuse them with callouts.
- Call assets: Add a phone button to the ad. A priority for businesses that sell or book by phone (clinics, services, B2B).
- Location assets: Show address and directions via your Business Profile. Essential if you have a store, branch or showroom.
- Price assets: Cards with products or services and price ranges. Competitive prices raise click quality; premium prices filter out unqualified clicks.
- Promotion assets: Labeled offers for sales periods ('Black Friday 20% off'). Turn them on for the season and always turn them off after.
How much do assets actually lift CTR?
Per industry benchmarks, adding sitelinks alone typically lifts CTR by 10-15%; callouts and structured snippets contribute 5-10% each. When sitelinks, callouts, snippets and images are layered together, the combined lift frequently exceeds 20%. According to Google's own data, advertisers who raise sitelinks to 6 per campaign can see up to 3.5% more conversions at a similar cost per conversion. Numbers vary by account; your own asset report always has the final word.
How do you add assets in Google Ads?
- Open 'Ads & assets > Assets' in Google Ads and pick the asset type.
- Start at account level with shared assets that fit every campaign (generic sitelinks, brand-wide callouts).
- Then add more specific assets at campaign or ad group level; lower levels override higher ones.
- Keep dynamic sitelinks enabled; the system shows automated variations when useful.
- After 2-4 weeks, compare impressions and CTR in the asset report and refresh weak assets.
Writing assets by hand takes time?
Ads Sensor's Google campaign builder suggests sitelink, callout and snippet assets with AI and adds them to your account through an approve-and-apply step.
What are the most common extension mistakes?
The most expensive mistakes are maintenance mistakes, not technical ones: expired promotions left running, headline copy repeated in callouts, and an asset report nobody opens. Assets look like set-and-forget items, but they deserve the same discipline as ad copy.
- Expired promotions: An ad advertising a finished sale disappoints the clicker and damages landing page experience.
- Duplicated messaging: If the headline already says 'Free shipping', repeating it in a callout wastes an asset slot.
- Stopping at 2 sitelinks: Staying at the minimum kills the system's combination flexibility; aim for 4-6.
- Generic link text: Write 'See pricing' instead of 'Click here'; the text should carry the page's promise.
- One set for all campaigns: Brand and generic campaigns need different assets; customize the account-level set per campaign.
- Ignoring the asset report: You cannot refresh what you do not measure; make the report a monthly routine.
How do you measure asset performance?
The 'Assets' table in Google Ads shows impressions, clicks and CTR per asset; the right reading is comparing CTR of impressions with assets against the ad's overall CTR. An asset with low impressions usually has a relevance problem: move its wording closer to the query language. The benefit-led patterns from AI ad copywriting apply directly to asset text, and for running different sets on brand versus generic traffic see the branded vs non-branded guide.
In practice the hard part is running this loop consistently on every account. Ads Sensor's AI campaign analysis reports the CTR change after assets are added as a before/after comparison, and its Google campaign builder lets you edit and approve sitelink, callout and snippet suggestions on a single screen. Join the beta to try it on your own account.