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Advertising reporting: how to measure success weekly and monthly
Kelly
Account Performance Manager at Amersify
Introduction
Amazon Ads performance doesn’t improve by chance — it’s built through consistent, structured reporting. Brands that win on Amazon check data regularly: weekly for performance control and monthly for strategic clarity. This guide explains what to track, how often, and how to turn raw data into actionable insights that grow revenue and profits.
Why Reporting Cadence Matters
Amazon’s algorithm moves fast. A good week can boost rank; a bad one can undo months of progress. Weekly reporting keeps your campaigns agile and responsive, while monthly reporting provides perspective for strategic decisions. Together, they ensure holistic optimisation.
Amersify Tip: Reviewing data only monthly means you’re reacting, not managing.
Weekly Reporting — The Performance Pulse
Weekly reports focus on maintaining campaign health with early problem detection and optimisation.
Key Metrics to Track Weekly:
Metric | Purpose |
|---|---|
Spend | Monitor budget pacing |
Impressions | Ensure stable visibility |
CTR | Gauge ad relevance |
CVR | Measure listing conversion |
CPC | Track market competitiveness |
ACOS/ROAS | Measure immediate ad efficiency |
Search Term Data | Identify wasted spend & new keywords |
Actions to Take Weekly:
Pause underperforming keywords or ads.
Add converting search terms from auto campaigns.
Adjust bids for profitable placements (e.g., Top of Search).
Reallocate budgets to best campaigns.
🧠 Pro Insight: Use Amazon Marketing Stream for near real-time performance monitoring to catch downturns early.
Monthly Reporting — The Profit Perspective
Monthly reports assess broader business health, showing overall profitability and growth trends.
Key Metrics to Track Monthly:
Metric | Purpose |
|---|---|
TACOS (Total Advertising Cost of Sales) | Evaluate total ad effectiveness |
Organic vs Ad Sales Ratio | Measure dependency on ads |
Contribution Margin | Assess true commercial profit |
NTB (New-to-Brand) | Gauge brand acquisition |
Total ROAS (All Campaigns) | Understand efficiency at scale |
ACOS Trend | Monitor progress over time |
💡 Amersify Tip: Rising ACOS but falling TACOS often means ads drive sustainable organic growth.
Weekly vs Monthly Reporting — How They Work Together
Focus Area | Weekly | Monthly |
|---|---|---|
Purpose | Tactical control | Strategic analysis |
Metrics | ACOS, CTR, CVR, CPC | TACOS, Margin, NTB |
Decisions | Keyword & bid tweaks | Budget reallocation, strategy pivot |
Goal | Maintain efficiency | Drive sustainable growth |
🧩 Pro Insight: Use weekly data to optimise, not overhaul. Monthly data is for strategy shifts.
How to Build a Reporting Template
Effective reports are visual, consistent, and outcomes-focused.
Include:
Performance Summary: Spend, sales, ACOS, ROAS, TACOS.
Top & Bottom Performers: Products/keywords.
Efficiency Metrics: CTR, CVR, CPC trends.
Growth Indicators: TACOS trend, NTB %, organic rank shifts.
Action Points: Areas improving or needing attention.
💡 Amersify Tip: Visualise data with charts — don’t bury insights in raw spreadsheets.
How to Interpret Data
Scenario | Interpretation |
|---|---|
ACOS Rising, TACOS Falling | Positive: efficiency drop offset by growth |
Both ACOS & TACOS Rising | Warning: review targeting and bids |
Flat ACOS, Falling TACOS | Excellent: improving organic performance |
Falling CTR | Relevance/creative issue; refresh ads |
🧠 Pro Insight: A slightly higher ACOS that builds rank and organic sales is more valuable long term.
Recommended Reporting Tools
Tool | Purpose |
|---|---|
Amazon Ads Console Reports | Core campaign metrics |
Business Reports (Seller Central) | Sales & conversion trends |
Brand Analytics | Organic & keyword insights |
Amazon Marketing Stream | Real-time ad performance |
Third-Party Tools (Pacvue, Perpetua, Helium 10) | Advanced visualisation & automation |
💡 Amersify Tip: Automate reporting where possible to save time for optimisation.
Common Reporting Mistakes
Focusing on ACOS alone.
Mixing branded & non-branded data.
Using inconsistent reporting periods.
Ignoring attribution delays (Amazon backfills conversions within 48 hours).
Do: Use consistent formats, date ranges, and metrics for clarity and comparability.
FAQs
Should I report at ASIN or campaign level?
Both: campaigns for control, ASINs for commercial insights.
How often to adjust budgets?
Weekly is typical unless major events (Prime Day, Black Friday) require faster changes.
Can weekly reporting be automated?
Yes, with tools like Pacvue, Perpetua, or Google Sheets API integrations.
Most important long-term metric?
TACOS: indicates if ads drive total business growth.
Summary
Amazon advertising success grows from disciplined, consistent reporting. Weekly agility keeps campaigns efficient; monthly insight drives profitability. Together they enable data-driven decisions that enhance sustained growth and improved TACOS.
At Amersify, we transform reporting into direction—because numbers alone don’t build success; insightful action does.
