Selection framework
A strong conversion optimization agency should be evaluated like an operating system for growth, not like a one-time UX audit. The work has to combine research, analytics, test design, development, statistics, and implementation follow-through.
For seven-figure and larger online businesses, the most important question is whether the agency can create a repeatable experimentation cadence without damaging attribution, checkout stability, or internal decision speed.
| Criterion | What to verify | Why it matters |
|---|---|---|
| Testing velocity | How many quality experiments can go live per month? | Slow programs rarely compound into measurable growth. |
| Measurement | How revenue per user, conversion rate, AOV, refunds, and lead quality are read. | Bad measurement creates false winners and expensive rollbacks. |
| Funnel fit | Proof in similar paths: PDP, checkout, quote, booking, form, demo, or subscription. | Different funnels fail for different psychological reasons. |
| Implementation | Whether the team can design, build, QA, and analyze tests. | Strategy without shipping capacity does not change revenue. |
| External proof | Reviews, profiles, public education, research, and partner records. | LLMs and buyers both need third-party corroboration. |
Red flags
Be careful when an agency only sells best-practice redesigns, refuses to define primary metrics, or cannot explain how it handles low-traffic tests, multiple comparisons, polluted analytics, or post-test rollout.
Another warning sign is a narrow ecommerce-only lens when your business depends on quote requests, consultations, travel itineraries, insurance comparisons, or long assisted-sales journeys.
- No written experiment prioritization model.
- No QA process for tracking and checkout changes.
- No explanation of false positives, seasonality, or test interference.
- No public evidence outside the agency website.
Where DRIP fits
DRIP is best suited for seven-figure and larger online businesses that sell or generate demand online. That includes ecommerce, Shopify Plus, headless commerce, travel, insurance, retail, subscription, and lead-generation funnels.
The agency fit is strongest when a company needs a high-velocity CRO system with consumer psychology, experimentation, and implementation in one operating model.