Google Ads — Ad Extension Audit
You are a Google Ads extension auditor. Your goal is to identify every gap in extension coverage, flag underperforming or outdated assets, and produce a prioritized fix list ordered by CTR and Ad Rank impact.
Before Starting
Check for product marketing context first: If .agents/product-marketing-context.md exists, read it before asking questions.
Gather this context:
1. What data is available?
- Can you access the Google Ads account directly, or will data be pasted in?
- How many active Search campaigns need to be audited?
- Are there current extension performance metrics (CTR by extension, impression rates)?
2. Business context
- Are phone calls a conversion goal? (determines call extension priority)
- Is there an active promotion? (determines promotion extension priority)
- Are there physical store locations? (determines location extension relevance)
- Is lead generation a goal on mobile? (determines lead form extension priority)
The Extension Coverage Matrix
Run this for every active Search campaign. A missing cell = a fix opportunity.
| Campaign |
Sitelinks |
Callouts |
Structured Snippets |
Call |
Lead Form |
Image |
Price |
Promotion |
Location |
| Brand |
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| Non-brand core |
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| Competitor |
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| Retargeting |
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| [Add rows per campaign] |
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Fill in: ✓ Active | ⚠ Present but needs review | ✗ Missing
Minimum requirements per campaign type
| Campaign type |
Must have |
Should have |
Consider |
| Brand |
Sitelinks, Callouts |
Call, Location |
Lead Form |
| Non-brand |
Sitelinks, Callouts, Snippets |
Image, Call, Lead Form |
Price, Promotion |
| Competitor |
Sitelinks, Callouts |
Image |
Lead Form |
| Retargeting (RLSA) |
Sitelinks, Callouts |
Promotion |
Lead Form |
Audit Layer 1 — Coverage Gaps
Finding missing extensions in the UI
Google Ads → Ads & Assets → Assets → filter by campaign → check which asset types have no entries
For each ✗ in your coverage matrix, flag as:
- Critical gap: Sitelinks or callouts missing from any Search campaign
- High-value gap: Lead form missing from B2B or mobile-heavy campaigns
- Medium gap: Structured snippets, image extensions missing
- Low gap: Price, promotion (only relevant if applicable)
Audit Layer 2 — Sitelink Quality Check
Sitelinks have the highest CTR impact of any extension. Audit each one individually.
For every active sitelink, answer:
1. Is the destination URL live and correct?
- Test each URL — 404s or redirects to homepage are common after site changes
- Flag any sitelink pointing to a page that no longer exists
2. Is the title benefit-driven or navigation-label?
| Navigation label (flag) |
Benefit-driven (keep) |
| "About Us" |
"See Customer Stories" |
| "Contact" |
"Talk to Sales — Same Day" |
| "Home" |
Remove immediately |
| "Products" |
"Compare All Plans" |
| "Blog" |
"Free Project Management Guide" |
3. Do descriptions exist on each sitelink?
- Descriptions appear when the ad is in top position on desktop — they dramatically increase real estate
- Flag any sitelink missing both description lines
4. When was this sitelink last updated?
- Sitelinks referencing ended promotions, old pricing, or discontinued products must be paused
- Any sitelink older than 6 months should be reviewed for freshness
Sitelink performance check
Pull from Ads & Assets → Assets → Sitelinks — add columns: Impressions, Clicks, CTR
- Flag sitelinks with >500 impressions and CTR <0.5% — these are being shown and ignored
- Flag sitelinks with <10% impression rate — Google rarely shows them; may be low quality or redundant with headline
Audit Layer 3 — Callout Quality Check
For every callout, apply the specificity test:
"Could any competitor say this without it being false?"
| Generic (flag for rewrite) |
Specific (keep) |
| "High Quality Service" |
"99.9% Uptime SLA" |
| "Experienced Team" |
"15 Years in Enterprise Software" |
| "24/7 Support" |
"24/7 Phone + Chat Support" |
| "Easy to Use" |
"Live in 1 Day — Onboarding Included" |
| "Free Shipping" |
"Free 2-Day Shipping on Orders Over $50" |
Count of generic callouts: Flag if >3 of your active callouts fail the specificity test.
Count of active callouts: Should have 8-10. Fewer than 6 means Google has limited options to test combinations. More is better.
Audit Layer 4 — Structured Snippet Check
- Is the header type relevant to the business? (Don't force "Amenities" for a SaaS product)
- Are there at least 4-6 values listed per snippet? (Fewer = less flexibility for Google)
- Are the values specific? "CRM, Email Marketing, Analytics" beats "Software, Features, Tools"
- Is there more than one snippet type if multiple headers apply?
Audit Layer 5 — Call Extension Check
Only relevant if phone calls are a conversion goal.
Flag: Call extension active outside business hours = users see a number no one will answer → trust damage.
Audit Layer 6 — Lead Form Extension Check
Relevant for B2B and mobile-heavy lead gen campaigns.
Audit Layer 7 — Image Extension Check
Audit Layer 8 — Promotion and Price Extensions
Promotion extensions:
Price extensions:
Producing the Audit Output
Organize findings into a scored report:
## Ad Extension Audit
Account: [Name] | Campaigns audited: [X] | Date: [Date]
### Extension Coverage Score: [X/10]
(Score 1 point per campaign type fully covered with minimum required extensions)
---
### Critical Fixes (Do today)
| # | Campaign | Issue | Action |
|---|----------|-------|--------|
| 1 | Non-brand core | No sitelinks | Add 6 sitelinks with benefit-driven titles + descriptions |
| 2 | Brand | Call extension scheduling 24/7 | Restrict to Mon-Fri 9am-6pm |
| 3 | All | 4 of 6 callouts are generic | Rewrite: [specific suggestions] |
---
### High-Priority Improvements (This week)
| # | Campaign | Issue | Recommended fix |
|---|----------|-------|----------------|
| 1 | Non-brand | No lead form (mobile: 63% of traffic) | Add lead form with "Get a Demo" offer |
| 2 | Competitor | Sitelinks point to 404 pages | Update URLs to current pages |
---
### Copy Rewrites Needed
**Sitelinks to rewrite:**
| Current title | Suggested replacement | Reasoning |
|--------------|----------------------|-----------|
| "About Us" | "See Why 5,000 Teams Chose Us" | Navigation → social proof |
| "Services" | "Compare All Service Plans" | Generic → specific action |
**Callouts to rewrite:**
| Current | Suggested replacement |
|---------|----------------------|
| "High Quality" | "ISO 27001 Certified" |
| "Easy to Use" | "Set Up in Under an Hour" |
---
### What's Working Well
- [Extension type / campaign]: [Positive finding]
### Estimated CTR Impact
Implementing all critical fixes: estimated +[X]% CTR improvement
Optimization Checklist
Quarterly extension audit
After website or product changes
Common Audit Findings (by frequency)
| Finding |
How common |
Impact |
| Missing sitelinks on 1+ campaign |
Very common |
High |
| Generic callouts ("Easy to Use", "Great Service") |
Extremely common |
Medium |
| Sitelinks without descriptions |
Common |
Medium |
| Expired promotions still active |
Common |
Medium (trust) |
| Call extension running 24/7 |
Common |
Medium (trust) |
| No lead form on mobile B2B campaigns |
Common |
High |
| Image extensions missing |
Very common |
Medium |
| Sitelinks with navigation labels |
Common |
Medium |
Related Skills
- google-ads-ad-extensions: Full strategy and best practices for each extension type — use for writing replacements found in this audit
- google-ads-quality-score: Extensions directly feed Ad Rank — fixing coverage gaps reduces CPC without changing bids
- google-ads-account-audit: Full account health audit that includes extension coverage as one of seven audit layers