If your Google Ads account has been running for a while, it has a history. Campaigns get layered on top of old ones. Budgets get adjusted without updating targets. Bidding strategies get switched mid-flight. Over time, the account becomes a patchwork of decisions made under different circumstances.
That’s not a failure. That’s just how active accounts evolve. But it does mean things drift – and a periodic audit is how you catch the drift before it gets expensive.
What a PPC Audit Actually Covers
Before anything else, it helps to know what you’re reviewing.
A proper PPC audit isn’t just a glance at your click-through rate. It’s a structured look at your account from multiple angles: campaign settings, bidding strategy, keyword quality, match types, ad copy, landing page alignment, conversion tracking, audience targeting, and budget allocation.
Each of those areas can independently cause performance problems. And most of the time, an underperforming account has issues in more than one place simultaneously.
The Slow Drain Nobody Notices
Ad spend tends to leak quietly. It rarely happens all at once.
Broad match keywords pull in searches that have nothing to do with your service. Negative keyword lists go stale. Campaigns running in the wrong locations eat budget meant for qualified markets. Automated bidding strategies optimize for the wrong signal when conversion tracking is misconfigured.
None of these problems announce themselves. They just show up as a slowly rising cost-per-lead or a conversion rate that never quite gets where it should be. A regular audit surfaces these patterns before they compound.
When an Audit Isn’t Optional
Sometimes a periodic audit is just good practice. Other times, something specific triggers the need for one right away.
If your cost-per-lead has climbed steadily over 60-90 days, that’s a signal. If you’ve recently switched bidding strategies, added campaign types, or had someone new take over the account, that’s another. If your account went through a major Google Ads platform update – like an automated change you didn’t initiate – an audit helps you understand what actually changed.
You can also end up needing an audit after working with a previous agency. It’s surprisingly common to inherit an account with structural problems baked in from the start. If you’re unsure what’s under the hood, an audit gives you a clean baseline. This post on why PPC campaigns stop converting covers several patterns that often show up during that kind of review.
The Settings That Quietly Undermine Performance
Campaign settings are one of the first things to check – and one of the most overlooked.
Google’s default settings are designed to maximize reach, not to protect lead quality. The Search Network with Display expansion option, for instance, spreads your Search budget across Display placements that rarely perform well for lead gen. Auto-applied recommendations, if left unchecked, can change match types, add keywords, or adjust bids without any manual approval.
A good audit reviews every campaign setting individually and asks whether each one reflects an actual decision – or just a default that nobody changed.
Keyword and Match Type Drift
Keywords don’t stay static. The way Google interprets them changes over time.
Broad match has expanded significantly in recent years. What used to be a reasonably controlled match type now casts a much wider net. If your keyword list was built a couple of years ago and hasn’t been revisited, it may be triggering for search terms you’d never consciously bid on.
An audit looks at your search term reports for patterns. Are you paying for informational searches when you only want transactional ones? Are irrelevant industries showing up regularly? That’s a match type and negative keyword problem – and it’s fixable once you see it clearly.
Bidding Strategy Alignment
Your bidding strategy needs to match your goals and your data volume. When it doesn’t, you’re asking the algorithm to do something it can’t do well.
Target CPA and Target ROAS strategies require sufficient conversion data to function properly. If you’re running tCPA on a campaign that gets 10 conversions a month, you’re not giving the algorithm enough signal to work with. The account may look like it’s optimizing, but it’s essentially guessing.
An audit checks whether your current strategy is appropriate for your conversion volume, your lead gen goals, and your budget. Sometimes the right call is a simpler manual or enhanced CPC approach while the account builds more data.
Landing Page Alignment Is Part of the Audit Too
A PPC audit isn’t only about what’s inside Google Ads. Where your traffic lands matters just as much as how you attract it.
If your ad speaks to a specific service or location and the landing page is generic, you’ll lose people at the last step. Quality Score is also affected – Google evaluates landing page relevance when determining ad rank and cost-per-click. A misaligned landing page raises your costs and hurts your conversion rate at the same time.
During an audit, it’s worth reviewing each campaign’s destination URL and asking honestly: does this page match the intent of the keyword and the promise of the ad?
How Often Should You Run One
For most active lead gen accounts, a meaningful audit every 3-6 months is a reasonable rhythm.
That doesn’t mean a full deep-dive every quarter. It can mean a structured review of the areas most likely to drift – match types, search terms, bidding settings, and conversion tracking – on a rotating basis. A full audit once or twice a year, with lighter check-ins in between, keeps things from getting too far off track.
New accounts, accounts with recent agency transitions, and accounts with significant budget increases should be audited sooner rather than later.
Frequently Asked Questions
How long does a PPC audit take?
It depends on the account’s size and complexity. A focused audit of a single-product lead gen account might take a few hours. A larger account with multiple campaigns, locations, and ad types can take a full day or more to review properly.
Can I do a PPC audit myself?
Yes, especially if you know what to look for. Start with your search term report, your conversion tracking setup, and your campaign settings. Those three areas alone often reveal the biggest issues. If you’re not sure what you’re looking at, having a second set of eyes from someone outside the account is usually worth it.
What’s the difference between a PPC audit and ongoing optimization?
Ongoing optimization is continuous – adjusting bids, testing ads, refining keywords. An audit is more of a reset. It steps back from the day-to-day and looks at whether the account’s structure and strategy still make sense. You can optimize well within a flawed structure and still get mediocre results. The audit finds the structural problems that optimization alone won’t fix.
Will an audit guarantee better results?
An audit tells you what’s wrong and what to fix. Acting on those findings is what improves results. The audit itself is just the diagnostic – the value comes from what you do with it.