TL;DR
A Google Ads audit is a systematic account review that uncovers wasted spend, missed opportunities, and technical errors. A professional audit covers 80+ checkpoints in 10 categories and on average identifies 15-25% of budget being spent inefficiently.
80+
checkpoints
10
audit categories
15-25%
wasted spend average
Q1
deep + monthly mini
Why Google Ads audit is essential
When I take over a new account for management, the first thing is always a detailed Google Ads audit. In practice I see that over 90% of accounts have the same fundamental problems: conversion tracking doesn't work properly, budget is bleeding on irrelevant search terms, campaigns are poorly organized, or Smart Bidding is trying to optimize with insufficient data.
A Google Ads audit isn't just a list of things that "don't work" — it's systematic diagnostics that precisely identifies where you're losing money and where you're missing growth opportunities. The average account that hasn't been optimized for 6+ months wastes 15-25% of budget completely inefficiently. That can be eliminated in the first week after audit.
When to run Google Ads audit
Quarterly deep audit (2-4 hours, all 10 categories) + monthly quick check (30 min, 7 priority points). Additionally: immediately if performance suddenly drops, you're taking over account from previous agency, changing business model, or launching new campaign.
My experience is that companies either audit too rarely (once a year or never), or waste time looking at surface metrics that don't reveal real problems. This guide covers specifically what to check, how to interpret data, and which actions to take immediately.
What a good Google Ads audit covers
A professional Google Ads audit isn't improvisation — it's a structured checklist of 80+ control points divided into 10 key categories. Each category has priority items (critical for performance) and optimization items (additional improvements for advanced accounts).
Foundation
1. Account structure
Logical campaign organization, naming conventions, hierarchy, labels
Critical
2. Conversion Tracking
Whether conversion tracking works accurately and data is valid
Setup
3. Campaign settings
Location targeting, networks, ad schedule, device bid adjustments
Search
4. Keywords and search terms
Search Terms Report, negatives, Quality Score, match types, duplicates
Creative
5. Ads and extensions
RSA quality, Ad Strength, sitelinks, callouts, structured snippets
Targeting
6. Audiences and remarketing
Remarketing lists, audience layering, converter exclusions
Automation
7. Bidding strategy
Smart Bidding setup, conversion volume, target realism, learning periods
Spend
8. Budget and allocation
Impression Share Lost (Budget), campaign budget distribution
Analysis
9. Reporting and analytics
GA4 integration, attribution models, segment analysis, data discrepancies
Advanced
10. Scripts and automation
Google Ads Scripts, automated rules, alerts, bulk operations — including Google Ads Editor for offline changes
Each category gets scoring from 1 to 5 and prioritized action plan. At the end of Google Ads audit you get clear picture where you are, what to fix urgently, and what impact to expect from each optimization.
Category 1: Account structure
Poor structure is like poor building architecture — you can paint the facade, but fundamental problems remain. I recommend structure be logical, scalable, and transparent — anyone should understand the organization in 5 minutes of review.
Campaigns organized logically
Campaigns divided by product/service, geography, or funnel stage. Never everything in one mega campaign.
- Brand vs Non-brand SEPARATE — Completely different economics: brand has lower CPC, higher CVR, different strategy
- Search and Display SEPARATE — Never together, except Performance Max (different metrics, different targeting)
- Naming convention consistent — E.g., [Type]_[Product]_[Geo]_[Stage] for quick filtering and reporting
- Geographic campaigns separate — If operating in multiple countries/regions, separate campaigns by geo
Ad Groups thematically focused
One Ad Group = one theme/intent. In practice that means 5-20 keywords per Ad Group, not 50+.
- No "catch-all" Ad Groups — All words for different themes in same group = worse Ad Strength and Quality Score
- Keywords have similar intent — "buy shoes" and "shoe price" are similar intent; "running shoes" and "dress shoes" aren't
- Dedicated Ad Groups for high-value terms — Brand terms, top sellers, high-margin products deserve separate groups
Mistake
One campaign with 50+ Ad Groups, or Search + Display together in same campaign
Solution: Restructure account: separate Search and Display, divide campaigns into smaller logical units (by product/geo/stage), reduce Ad Groups to 5-15 per campaign.
Pro tip
If you have more than 10 campaigns, create labels (e.g., "Priority", "Testing", "Paused-Low_ROI") for faster filtering in interface. For bulk changes, use Google Ads Editor — it saves significant time during Google Ads audit analysis.
Category 2: Conversion tracking
Conversion tracking is the most critical part of any Google Ads audit. If tracking doesn't work, or records wrong data, everything else is useless — you're optimizing based on bad information and making wrong decisions.
Red flag: Google Ads conversions don't match GA4/CRM (>20% difference). This signals tracking isn't set up properly or there's an attribution model problem.
Detailed guide on how to set up tracking and troubleshoot problems: Conversion Tracking for Google Ads.
Category 3: Campaign settings
Default settings in Google Ads are bad — designed for Google to earn more, not for you to get better results. In practice I see that over 70% of new accounts have default settings that waste budget in wrong places.
Location targeting
Check that "People in your targeted locations" is selected, NOT "People interested in your locations". Default option shows ads to people Google thinks are interested in your location, even if they're on another continent.
- Location bid adjustments active — Increase bid for best performing geo, decrease for worst
- Exclude non-converting locations — If location has 0% CVR after 50+ clicks, exclude
- Radius targeting precise — Local businesses: 10-20km radius, not 50km+ (wasted spend)
Networks
Display Network must be DISABLED in Search campaigns. Search Partners evaluate after 30 days — if they have worse CPA than Search, disable.
- Search campaigns = only Google Search (uncheck Display + careful with Search Partners)
- Display campaigns = only Display Network (never together with Search, different economics)
- Search Partners check — Segment report after month: if CPA 20%+ worse, disable
Ad schedule (days/hours)
Analyze performance by hours and days (Day & Hour report). If conversions drop after 8pm or weekends, decrease bid or pause those slots.
- Bid adjustments for time — Increase +20-50% for best time slots, decrease -30-50% for worst
- B2B campaigns — Usually shouldn't run weekends (office hours only: 9am-5pm, Mon-Fri)
- eCommerce seasonality — Increase bid for evening hours and weekends (shopping time)
Devices (Desktop/Mobile/Tablet)
Analyze performance by devices. If mobile has 2x worse conversion rate, decrease bid by -30% to -50%.
- Device bid adjustments — Increase for best performing device, decrease for worst
- Mobile-friendly landing page — If mobile LP isn't optimized, decrease mobile bid until you fix UX
Category 4: Keywords and search terms
Keywords aren't what you enter in account — they're search terms people actually type. Every Google Ads audit must analyze Search Terms Report in detail and identify what actually triggers your ads and where budget goes.
Red flag: Search Terms Report never reviewed, no negative keywords list, Quality Score below 5 for majority of keywords, irrelevant search terms waste 20%+ of budget.
Detailed guide on keywords research, match types, and Quality Score optimization: Keywords for Google Ads. For negative keywords strategy: Negative Keywords.
Category 5: Ads and extensions
Ads are what potential customers actually see, but in practice I see that over 50% of accounts have "Poor" Ad Strength and minimal number of extensions. That's a missed opportunity — better ads = higher CTR = lower CPC + more conversions.
RSA quality
Each Ad Group must have minimum 1 Responsive Search Ad with 10-15 headlines and 4 descriptions.
- Ad Strength is "Good" or "Excellent" — Never "Poor" (Google literally tells you ad is bad)
- Headlines contain keywords — Minimum 3-4 headline variations with primary keywords from that Ad Group
- CTA present in 2-3 headlines — "Order now", "Free shipping", "Buy today"
- USP clear and specific — What differentiates you from competition? (numbers, guarantees, unique benefits)
- Pinning minimal — Let Google freedom to test combinations (only pin legal/brand requirements)
Extensions (sitelinks, callouts...)
Extensions increase CTR by 10-15% and take more space on SERP. Each campaign must have:
- Sitelinks (min 4) — Links to different pages (categories, about, contact), each relevant for that campaign
- Callouts (min 4) — Short bullet point benefits: "Free shipping", "24/7 support", "30-day guarantee"
- Structured Snippets — Lists of categories, products, or services (specific, not generic)
- Call extensions (if relevant) — Phone number directly in ad for high-intent queries
- Location extensions (local businesses) — Address + map pin for local searches
- Price extensions (eCommerce) — Shows prices directly in ad (eliminates low-budget clicks)
Mistake
Ad Strength "Poor", only 3-5 headlines, generic copy that doesn't differentiate from competition
Solution: Complete RSA to 10-15 headlines (add variations with keywords, numbers, CTA, USP), use all 4 descriptions, remove excess pinning so Google tests combinations.
Mistake
No extensions, or all sitelinks lead to same homepage
Solution: Create 4 sitelinks to different pages (product categories, best sellers, about, contact), 4 callouts with specific benefits (not generic "quality"), structured snippets with product/service lists.
Category 6: Audiences and remarketing
Remarketing is the easiest win in Google Ads — people who already visited site convert 3-5x better than cold traffic. If Google Ads audit reveals account has no remarketing lists or converter exclusions, that's huge missed opportunity.
Recommendation
Create dedicated remarketing campaigns with higher bid (+50-100% vs cold traffic) and targeted ad copy referencing their previous visit. Remarketing has 3-5x better conversion rate, so you can afford higher CPC and still be profitable.
Detailed guide on remarketing strategies and audience segmentation: Remarketing guide for Google Ads.
Category 7: Bidding strategy
Smart Bidding is powerful tool, but only if you have enough conversions for algorithm to validly learn. In practice I see that over 40% of accounts use Smart Bidding with <10 conversions monthly — that can't work.
Strategy matches goal and phase
I recommend:
- Maximize Clicks or Manual CPC — New campaign without conversions, focus on traffic gathering and data collection
- Maximize Conversions — When you have 15-30 conversions monthly, but don't have clear target CPA yet
- Target CPA — When you have 30+ conversions monthly and know desired target CPA (baseline + 10-20% improvement)
- Target ROAS — eCommerce with precise conversion value tracking and 50+ conversions monthly
- Maximize Conversion Value — eCommerce when you don't have target ROAS but want to maximize revenue
Enough conversions for Smart Bidding
Google recommends 15+ conversions in last 30 days for Maximize Conversions, 30+ for Target CPA, 50+ for Target ROAS. Below that, algorithm doesn't have enough signals for valid optimization.
Target CPA/ROAS realistic and achievable
Target shouldn't be 50% better than current performance. I recommend target be 10-20% improvement from baseline, then gradually tighten it over several weeks.
- Example: If current CPA is $65, don't set target $30 immediately — start with $55, then after 2 weeks $50, etc.
- Learning period — Wait 7-14 days after each change before drawing conclusions
Mistake
Smart Bidding with <10 conversions monthly, or unrealistic target (e.g., target CPA $15 when current is $80)
Solution: Return to Manual CPC or Maximize Conversions until you collect more conversions (30+ monthly). If already using Smart Bidding, change target to be more realistic (10-20% improvement, not 50%+).
Category 8: Budget and allocation
Budget allocation is one of most common mistakes in Google Ads audits — best campaigns are "Limited by budget", while bad campaigns spend full budget. That's like giving best salesperson least resources.
Red flag: Best performing campaign limited by budget, >30% impression share lost to budget, or bad campaigns spend 50%+ total budget.
If you don't know how much budget to allocate per campaign or industry, read: How much does Google Ads cost.
Quick Google Ads audit in 30 minutes
If you don't have 2-4 hours for full Google Ads audit, here's quick check covering 80% of most critical things. I recommend doing this quick audit monthly between quarterly deep audits.
Pro tip
Create Google Sheet with scoring for each category (1-5 scale). When doing monthly quick audit, just update scoring and track trend — is it going up (optimizations working) or down (new problems).
Scoring system for Google Ads audit
I recommend scoring each category from 1 to 5, and tracking overall account health score over time. This helps prioritize actions, measure progress, and justify investment in optimization.
| Score | Status | Description | Action |
|---|---|---|---|
| 5 | Excellent | All checkpoints covered, best practices implemented | Maintain, monitor monthly |
| 4 | Good | Most covered, minor improvements possible | Minor tweaks, low priority (schedule for next month or two) |
| 3 | Average | Basics covered, but missing important optimizations | Improvement needed, plan 1-2 weeks for fixes |
| 2 | Poor | Major gaps, wasted spend high (15-25%+) | Priority fix, schedule immediately (this week) |
| 1 | Critical | Fundamentally not working, serious problems | Urgent action today, maybe pause campaigns until fixed |
Overall Account Health Score is calculated as average of all 10 categories. If overall score is 3.5 or higher, account is in solid condition. Below 3.0 means priority problems exist that waste budget inefficiently.
My experience with scoring
When I take over new account for management, average score is 2.5-3.0 (basic setup ok, but many gaps). After first month of optimizations, score goes to 3.5-4.0. Score 4.5+ is hard to maintain long-term because requires constant proactive work and testing.
Most common Google Ads audit mistakes
Here are most common mistakes I see when people audit Google Ads themselves, or outsource to inexperienced agency or freelancer.
Mistake #1
Focusing only on surface-level metrics (CTR, CPC) without looking at conversions and profitability
Solution: Always audit CPA and ROAS (or conversion rate if you don't have revenue tracking). CTR and CPC are means, not goal — you can have high CTR and bad ROI.
Mistake #2
Skipping Search Terms Report — most important part of audit that uncovers wasted spend
Solution: Search Terms Report MUST be part of every Google Ads audit. Filter top 50 by cost (30 days) and check if relevant. Add negatives for all irrelevant with $15+ spend.
Mistake #3
Changing 10 things at once so you don't know what impacted results
Solution: After audit, prioritize top 3-5 actions and do them gradually (1-2 weeks between changes, wait learning period). This way you can measure impact of each optimization individually.
Mistake #4
Looking only at last 7 days of data (too short for valid conclusions)
Solution: Audit last 30-90 days of data. 7 days is too short (weekend vs weekday distortion, seasonality, not enough conversions for statistical significance).
Mistake #5
Pausing campaigns/keywords with "bad" performance without diagnosing WHY they're bad
Solution: Before pausing, diagnose: Is problem keyword (bad intent), ad copy (low CTR), landing page (bad CVR), or targeting (wrong audience)? Maybe fix is simple — new LP or better ad copy.
Mistake #6
Ignoring benchmarks — you don't know if your CPA $80 is good or bad
Solution: Compare metrics with industry benchmarks (Google publishes average CPC/CVR by industries). Also compare performance with your baseline (3-6 months ago) to see trend.
Frequently asked questions about Google Ads audit
How often to run Google Ads audit?▼
I recommend quarterly deep audit (2-4 hours, all 10 categories + 80+ checkpoints) + monthly quick audit (30 min, 8 priority checkpoints). Also run audit immediately if: (1) performance suddenly drops, (2) taking over account from other agency, (3) launching new products/services, or (4) changing business model.
How much does professional Google Ads audit cost?▼
In practice I see range from $300 to $2,500+ depending on account size, campaign number, and audit depth.
- Basic audit (small account, 2-3 campaigns, 1 market): $300-500
- Standard audit (medium account, 5-10 campaigns, 1-2 markets): $600-1,200
- Deep audit (large account, 10+ campaigns, multi-market, complete diagnostics): $1,200-2,500+
If your monthly ad spend is $8K+, professional Google Ads audit pays off because on average it uncovers 15-25% wasted spend that can be eliminated in first month.
Can I run Google Ads audit myself or do I need specialist?▼
You can yourself if you follow checklist from this guide and have technical understanding of Google Ads. However, specialist or agency will identify problems faster because they see 10-20+ accounts monthly and know what's "normal" vs "red flag". Also, external view eliminates confirmation bias. If ad spend is $5K+ monthly, I recommend at least yearly professional Google Ads audit for second opinion.
What's most common problem Google Ads audit uncovers?▼
Top 3 problems are: (1) Irrelevant search terms — waste 15-30% of budget because no negative keywords list or not maintained, (2) Conversion tracking doesn't work accurately — not working or recording duplicate conversions, so algorithm makes bad decisions, (3) Bad budget allocation — bad campaigns spend too much, good campaigns limited by budget.
How much time between audit and visible results?▼
Quick wins (adding negative keywords, disabling Display Network from Search campaigns, budget reallocation) deliver results in 7-14 days. Medium optimizations (ad copy improvement, bidding adjustments) in 2-4 weeks. Deep changes (restructuring campaigns, new bidding strategy) may require 4-8 weeks. Smart Bidding always has 7-14 day learning period after each change.
What after Google Ads audit — who implements optimizations?▼
Depends on agreement and your resources. Some specialists give only audit report with prioritized recommendations (DIY implementation). Others offer audit + implementation as package. Third offer audit + ongoing management (monthly management). I recommend implementation by same person who did audit because they know context, priorities, and reasons behind each recommendation.
Conclusion
Google Ads audit isn't one-time checklist — it's systematic process that should become part of your regular workflow. My experience is that accounts regularly audited (quarterly deep audit + monthly quick check) have 20-30% better results than accounts that are "set and forget".
This guide covers 80+ checkpoints in 10 categories I personally use on 50+ accounts over last several years. Not everything is relevant for every business — e.g., if you don't have eCommerce, skip conversion value tracking. But basics (conversion tracking, search terms, budget allocation, ad quality) are universal for all industries.
When I take over new account for management, first thing is always detailed Google Ads audit. It gives me clear picture where problems are, where quick wins are, and where long-term growth opportunities are. Without audit, optimization is improvisation and wasting money.
If you don't have time or experience to run detailed Google Ads audit yourself, I recommend contacting specialist. Investment of $400-1,200 in professional audit pays off multiple times if you uncover 15-25% wasted spend or missed scaling opportunities.
For continuing optimization after audit, read: Google Ads optimization guide and Most common Google Ads mistakes.
Need professional Google Ads audit?
I run audits for accounts of all sizes — from startups to enterprise clients. You get 80+ checkpoint audit report + prioritized action plan + implementation recommendations + follow-up consultation.
Schedule free consultationRelated guides
Professional Google Ads Audit
Detailed account analysis with action plan
Conversion Tracking guide
How to set up conversion tracking and troubleshoot problems
Quality Score guide
What Quality Score is and how to improve it for lower CPC
Keywords guide
Keyword research, match types, and keyword optimization
Negative keywords
How to identify and add negative keywords to eliminate wasted spend
Google Ads optimization
Ongoing optimization after audit — what to do monthly and weekly
How much does Google Ads cost
Budget planning and CPC benchmarks by industries
Remarketing guide
How to set up remarketing lists and strategies for better conversions
Most common Google Ads mistakes
20+ most common mistakes and how to avoid them
Frequently asked questions about Google Ads audit
How often should I do a Google Ads audit?▼
What should I check first in a Google Ads audit?▼
How much does a Google Ads audit cost?▼
Can I audit my own Google Ads account?▼
What should I do after a Google Ads audit?▼
Author: Slobodan Jelisavac, Google Ads Specialist
Last updated: February 2026