PPC Reporting Best Practices: What Agencies Track and How to Evaluate Results
Most startups receiving agency PPC reports either drown in vanity metrics or stare at dashboards they cannot interpret. If your agency sends you a dense spreadsheet full of impressions and click-through rates with no explanation of what changed or why, that is not PPC reporting — that is data dumping. Good PPC reporting connects campaign activity to business outcomes, and understanding what separates a strong report from a bad one puts you in control of your ad spend.
The Metrics That Matter in PPC Reporting
The most important PPC metrics are the ones tied to revenue, not visibility. Cost per acquisition (CPA), return on ad spend (ROAS), and conversion rate are the core signals in any performance report. Everything else exists to explain them.
Here is how the key metrics stack up and what each one tells you:
| Metric | What It Measures | Why It Matters |
|---|---|---|
| CPA (Cost per Acquisition) | Cost to convert one customer | Determines unit economics of your campaigns |
| ROAS | Revenue generated per dollar spent | Shows whether campaigns are profitable |
| Conversion Rate | % of clicks that convert | Diagnoses landing page and offer performance |
| Impression Share | % of auctions your ads entered | Reveals budget and quality score headroom |
| CTR (Click-Through Rate) | % of impressions that clicked | Signals ad relevance and creative quality |
| CPC (Cost per Click) | Average cost per click | Tracks bid efficiency and competitive pressure |
CTR and CPC matter, but only in context. A high CTR with a low conversion rate points to a targeting or landing page problem. A rising CPA despite stable CTR signals either increased competition or audience fatigue. Your agency should surface these connections in every reporting cycle, not leave you to draw them yourself.
What Good Agency PPC Reports Include
A strong PPC agency report answers three questions before you have to ask them: what happened, why it happened, and what changes next.
Period-over-period comparison. Raw numbers without a baseline are meaningless. Every report should show this period against the last period and against the same period last year, where applicable. A 20% drop in conversions looks very different when you learn the prior period had a promotional push that inflated baseline performance.
Spend pacing against budget. You should see exactly how much of your monthly budget has been spent, at what pace, and whether you are on track to hit your monthly cap. Overpacing wastes money. Underpacing means you are leaving impressions unreached.
Campaign-level and ad group-level breakdowns. Top-line numbers obscure which campaigns are pulling weight and which are draining budget. A competent agency breaks performance down far enough that you can see where wins are coming from — and where money is being wasted.
Search term reports. For Google Search campaigns, a report without search term analysis is incomplete. You need to see what queries triggered your ads, which ones converted, and which ones burned spend without return. This is where negative keyword decisions live.
Annotations and commentary. Every significant change — bid adjustments, audience exclusions, creative tests, algorithm updates — should be documented with dates and expected impact. This creates an audit trail and makes it possible to diagnose anomalies.
Red Flags in PPC Reports That Signal Problems
A handful of warning signs in PPC reports should prompt direct questions to your agency.
No connection between spend and outcomes. If the report focuses on clicks, impressions, and CTR without telling you what happened to leads, pipeline, or revenue, your agency is avoiding accountability. Vanity metrics can look healthy while your cost per qualified lead doubles.
Selective date ranges. Be skeptical when reports cover unusual time windows — 10-day periods, mid-month snapshots, or date ranges that exclude a bad week. A transparent agency uses consistent, standard reporting periods.
Flat or declining conversion rates with no explanation. Conversion rates do not stagnate without reason. If yours has been flat for three months and your agency is not testing creative, adjusting audiences, or optimizing landing page routes, your campaigns are on autopilot.
No mention of Quality Score or Auction Insights. Quality Score affects how much you pay per click. Auction Insights tells you who you are competing against and how you stack up. An agency that never surfaces these metrics is missing obvious levers for improving efficiency.
Zero negative keyword updates. Negative keyword lists require ongoing attention, particularly in broad match and Performance Max campaigns. If your search term reports show irrelevant queries and your negative keyword list has not grown, budget is being wasted.
How to Use PPC Reports to Drive Better Results
PPC reports are only useful if they inform decisions. Receiving a report and filing it without acting on it is the same as not receiving it at all.
Hold a monthly review cadence. Monthly is the minimum for most campaigns. During these reviews, hold your agency accountable to the questions the data raises. If CPA increased week-over-week, you want to understand whether it was driven by bid changes, audience shifts, creative fatigue, or seasonal fluctuation.
Track your own north star metric. Pick one metric — CPA, ROAS, or pipeline contribution — and track it independently of whatever your agency sends you. Pull it directly from Google Ads, Meta Ads Manager, or your CRM. When your numbers match your agency's numbers, you have a healthy reporting relationship.
Use reports to interrogate strategy. If impression share has been at 80% for six months with no expansion, ask whether there are new keywords, audiences, or campaign types worth testing. Reports should fuel strategic conversations, not just confirm that campaigns are live.
Push for forward-looking commentary. The most valuable part of any report is what the agency plans to do next. Tests planned, optimizations queued, and hypotheses being run — these signal a proactive team. A report that only recaps the past without proposing action for the next cycle is a lagging indicator of agency performance, not just campaign performance.
Broader View: All SEM Reporting Tools
The agency lens above focuses on client reporting. For the full landscape of SEM reporting tools - from native platforms to BI stacks - see our category comparison.
FAQ
What should a PPC report include? A complete PPC report includes spend pacing, period-over-period comparisons, campaign and ad group breakdowns, conversion data tied to revenue or pipeline, search term analysis, and annotated commentary explaining what changed and why.
How often should you receive PPC reports from your agency? Most campaigns warrant monthly reporting at minimum, with weekly check-ins during high-spend periods, active tests, or campaign launches. The right cadence depends on your budget and the pace at which decisions need to be made.
What PPC metrics matter most? CPA, ROAS, and conversion rate are the core metrics because they connect ad spend to business outcomes. CTR and CPC provide diagnostic context but should not be the primary measure of campaign success.
How do I know if my PPC agency is doing a good job? A strong agency ties report metrics to business outcomes, explains variance proactively, maintains consistent reporting periods, actively manages negative keywords and audience exclusions, and brings forward-looking recommendations each cycle.
Key Takeaways
- CPA, ROAS, and conversion rate are the metrics that connect PPC activity to business results — every other metric exists to explain them.
- Good PPC reports include period-over-period comparisons, spend pacing, campaign-level breakdowns, search term analysis, and annotated change logs.
- Selective date ranges, vanity-metric-heavy reports, and a flat conversion rate with no testing are red flags that warrant direct questions to your agency.
- Track at least one key metric independently from your CRM or ad platform to verify your agency's reporting.
- Monthly report reviews should drive strategic decisions, not just confirm that campaigns ran.
- A proactive agency uses reports to propose what changes next — not just to recap what already happened.