Citable benchmarks
Average ecommerce conversion rate is often ~2–3% (varies widely by industry and traffic mix).
Source: IRP Commerce — Ecommerce Market Data (Jan 2026)
Key takeaways
- Paid advertising analytics — focus on one metric or lever at a time; validate with data before scaling spend.
- Pair reading with free Growthegy calculators (LTV, ROAS, break-even, pricing) to turn ideas into numbers.
- Bookmark growthegy.com/tools/ and run the Profit Diagnosis when you need a prioritised roadmap.
On this topic: ROAS calculator, ROI calculator, Marketing channel ROI comparator · Google Ads vs Meta ads ROAS, TikTok ads vs Meta ads
What to measure
Paid advertising analytics blends ROAS for top-of-funnel efficiency, margin-aware ROI for profit, and experiments for creative/channel learning.
Google vs Meta ROAS · TikTok vs Meta
Frequently asked questions
Where do I start?
ROAS for efficiency, then ROI with margins, then channel comparator for budget shifts.