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Conversion

Shopify CRO Agency

Shopify conversion rate optimization that ships, not slides

Research-driven A/B testing on the templates that move revenue — PDP, collections, cart, and (on Plus) the checkout itself. We build the winning variant and deploy it; you keep the lift.

  • +38% average conversion lift in the first 90 days
  • Statistically rigorous testing — GrowthBook, Convert, VWO
  • Checkout extensibility CRO on Shopify Plus
  • Pay-on-results — fees track incremental revenue
Conversion service illustration in brand blue and green

Conversion in numbers

+38%

Avg conversion lift

200+

Shopify brands

90 days

To first validated wins

Since 2019

Plus Partner

About our Shopify CRO practice

CRO for Shopify is a different sport

+38% Avg Lift

First 90 days

Shopify Plus Partner

Checkout-level testing

200+ Brands

DTC & B2B

San Francisco, USA

In-house team

Conversion is a Shopify CRO agency headquartered in San Francisco. We run conversion optimization exclusively on Shopify and Shopify Plus — which matters, because Shopify CRO has platform-specific physics: theme architecture constrains what you can test, apps fight each other for the same DOM, and the checkout is only experimentable through Plus checkout extensibility. Generic CRO agencies recommend; we build in Liquid and React, ship the variant, and measure it.

Every engagement runs on the same loop: research (analytics, heatmaps, session recordings, review mining, user tests) produces a prioritized hypothesis backlog; each hypothesis becomes a designed, built, statistically-powered experiment; winners deploy permanently and losers teach us something. We report incremental revenue per experiment — the only CRO metric your P&L can feel.

Why most Shopify CRO fails

The three ways stores leave conversion on the table

We've audited hundreds of Shopify funnels. The pattern is remarkably consistent.

Opinion-led redesigns instead of experiments

A founder or agency 'refreshes' the PDP based on taste, conversion moves (nobody knows which direction — there was no test), and the cycle repeats. Redesigns without experimentation destroy as many winners as they create. Everything we ship runs as a measured test first.

Testing trivia while the checkout leaks

Button-color tests on a store whose mobile LCP is 4.8 seconds and whose checkout hides express payments below the fold. We sequence by expected impact: speed and checkout friction first, micro-copy last. On Plus, checkout extensibility makes the biggest leak directly testable.

Statistical malpractice

Tests called at 55% 'confidence', peeked at daily, stopped the moment a line crosses. Half the 'wins' most agencies report are noise. We pre-register sample sizes, run to power, and report the revenue effect with confidence intervals — losers included.

Want to know what your store's conversion ceiling actually is?

Book a free 30-minute CRO audit. We'll analyze your funnel, benchmark your conversion rate against your category, and show you the five highest-impact experiments we'd run first.

30-minute call · No commitment · Custom quote in 48 hours

Shopify CRO services

Every surface between click and confirmation page

Full-funnel Shopify conversion optimization — research, experimentation, and the engineering to ship what wins.

CRO Research & Funnel Audit

GA4 funnel analysis, heatmaps and session recordings, review mining, exit polls, and moderated user tests. Research produces the prioritized hypothesis backlog every experiment draws from.

  • GA4 + funnel analysis
  • Heatmaps + session recordings
  • User testing + polls
  • Prioritized hypothesis backlog

A/B Testing Program

Statistically rigorous experimentation on GrowthBook, Convert, or VWO. Pre-registered sample sizes, power analysis, sequential roadmaps for lower-traffic stores, and revenue-effect reporting per test.

  • GrowthBook / Convert / VWO
  • Pre-registered sample sizes
  • Low-traffic test design
  • Revenue-per-experiment reporting

Product Page (PDP) Optimization

Above-the-fold hierarchy, review and trust placement, shipping clarity, variant UX, sticky add-to-cart, and image/video merchandising — the single highest-traffic template on your store.

  • Above-the-fold hierarchy
  • Sticky add-to-cart
  • Review + trust placement
  • Variant + size UX

Collection Page Optimization

Filtering and sort UX, card information density, merchandising order, and collection-level content that converts browsers into PDP visitors — and doubles as SEO landing-page equity.

  • Filter + sort UX
  • Card info density tests
  • Merchandising experiments
  • SEO-CRO combined layouts

Checkout Optimization (Plus)

Checkout extensibility experiments on Shopify Plus: express-payment placement, trust content, field reduction, address autocomplete, and in-checkout upsells via UI Extensions and Functions.

  • Checkout UI Extension tests
  • Express payment placement
  • Field + friction reduction
  • In-checkout upsells

AOV & Post-Purchase Programs

Cart cross-sells, shipping-threshold progress bars, bundles, and post-purchase one-click upsells. Conversion rate × AOV is the number that pays for the program.

  • Post-purchase upsells
  • Bundling + threshold offers
  • Cart cross-sell testing
  • Subscription conversion flows

Speed & Core Web Vitals CRO

Mobile LCP under 2s at the theme-code level — app audit, render-blocking JS removal, and image pipeline fixes. Speed is the conversion lever most agencies can't engineer.

  • Theme-level LCP fixes
  • App bloat audit
  • INP + CLS remediation
  • Real-device mobile budgets

Personalization & Offer Logic

Returning-visitor merchandising, geo and traffic-source offers, and Functions-driven discount logic on Plus — personalization that's measured, not assumed.

  • Audience-based experiences
  • Geo + source offers
  • Functions discount logic
  • Measured personalization tests

Our CRO process

The experimentation loop that compounds

Conversion's four-stage growth process visualized in brand blue and green
01

Audit & benchmark

Full funnel audit, category benchmarking, and speed diagnosis. You get the prioritized experiment backlog with projected revenue impact per test — before any retainer starts.

02

Fix the floor

The first 30 days ship the non-controversial wins: speed, checkout friction, express payments, PDP clarity. These don't need tests — they need engineering.

03

Test the ceiling

The A/B program starts: designed variants, pre-registered stats, 2–6 concurrent tests depending on traffic. Winners deploy permanently the week they validate.

04

Compound & expand

Validated learning feeds the next backlog. AOV programs, checkout extensibility tests (Plus), and personalization layer in. Reporting shows cumulative incremental revenue — the number that justifies the program.

Shopify CRO case studies

Lifts you can reconcile in the P&L

Shopify Plus — Skincare

+38%

conversion rate

PDP rebuild + checkout extensibility program, 90 days

“Three of the first five tests won. The checkout upsell test alone paid for the quarter. First agency that showed us confidence intervals instead of hype.”

Shopify — Supplements

+24%

AOV

Bundle + post-purchase program without touching traffic

“Same ad spend, same traffic — 24% more revenue per order from bundles and one-click post-purchase offers. CRO turned out to be our cheapest growth channel.”

Shopify Plus — Apparel

1.9s

mobile LCP (from 4.8s)

Theme-level speed program lifted mobile conversion 31%

“Every 'speed app' had failed us. Conversion fixed it in the theme code — LCP went from 4.8s to 1.9s and mobile conversion followed. No app subscriptions, just engineering.”

Why Conversion

A CRO team that builds what it recommends

We ship the winning variant

Designers, Liquid/React engineers, and analysts in one team. Recommendations become deployed code the same week — no handoff to 'your dev team' where CRO decks go to die.

Shopify-only specialization

Theme architecture, app conflicts, Plus checkout extensibility, Functions offer logic — we test inside Shopify's real constraints because it's the only platform we work on.

Statistical rigor, in writing

Pre-registered sample sizes, power analysis, no peeking, losers reported alongside winners. Our test archive is auditable — ask to see one.

Checkout-level testing on Plus

As a Plus Partner since 2019 we test inside the checkout itself via UI Extensions and Functions — the highest-leverage surface most CRO agencies can't touch.

Pay-on-results pricing

Fees track the incremental revenue our experiments generate, measured in your analytics. When tests don't produce lift, you don't produce fees.

SEO-safe experimentation

Every test ships with canonical hygiene and crawlable fallbacks, coordinated with our Shopify SEO practice — your rankings never become collateral damage.

Frequently asked

Shopify CRO questions

What is Shopify conversion rate optimization?
Shopify conversion rate optimization (CRO) is the systematic process of increasing the percentage of store visitors who purchase. It combines quantitative research (GA4, heatmaps, session recordings, funnel analysis), qualitative research (user testing, polls, review mining), and statistically rigorous A/B testing on the templates that matter most: product pages, collection pages, cart, and checkout. On Shopify Plus, checkout extensibility opens the checkout itself to experimentation — the highest-leverage surface in the funnel.
What is a good conversion rate for a Shopify store?
Across ecommerce, median Shopify conversion rates sit roughly in the 2.5–3.1% range, with strong DTC brands reaching 3–4.5%. But averages mislead: rates vary hugely by category, price point, traffic mix, and device. A luxury store at 1.4% may be healthy; an impulse-buy store at 2.8% may be underperforming. The benchmark that matters is your own trend line — and whether structured experimentation is moving it.
How much does a Shopify CRO agency cost?
Shopify CRO retainers typically run $4K–$15K/month depending on testing velocity, research depth, and whether the agency builds the winning variants or just recommends them. One-off CRO audits run $2K–$10K. Conversion offers a pay-on-results structure — fees track the incremental revenue our experiments generate, verified through your analytics. No flat retainer, no deck-and-dash.
How do you increase a Shopify store's conversion rate?
In priority order for most stores: fix mobile page speed (LCP under 2s), rebuild the PDP above-the-fold (price, reviews, shipping clarity, sticky add-to-cart), simplify collection page filtering, remove checkout friction (express payments, address autocomplete), add post-purchase upsells for AOV, and then run continuous A/B tests on the biggest remaining hypotheses. We've shipped +38% average conversion lifts in 90 days with this sequence — but the exact order comes from your data, not a generic checklist.
Can you A/B test on Shopify?
Yes. We run statistically rigorous A/B tests on Shopify using GrowthBook, Convert, or VWO — theme-level tests via Liquid splits, template experiments, and (on Plus) checkout extensibility tests. Every test runs to pre-registered sample sizes and significance thresholds; no peeking, no calling winners at 60% confidence. Stores under ~30K monthly sessions get sequential testing roadmaps designed for lower traffic.
Do you optimize Shopify checkout?
Yes — on Shopify Plus, checkout extensibility (Checkout UI Extensions, Branding API, Functions) lets us add trust content, reorder fields, test express-payment placement, and run checkout upsells inside the native checkout. Checkout tests typically lift completion 5–15%. On standard Shopify, we optimize everything up to checkout plus cart, shipping thresholds, and post-purchase offers.
How long until CRO shows results on a Shopify store?
Quick wins (speed fixes, PDP clarity, express payments) land in the first 30 days. A/B test programs produce their first validated winners in 30–60 days depending on traffic. The compounding effect — a testing culture shipping validated lifts month after month — shows up in the P&L from month 3 onward. We report incremental revenue per experiment, not just 'wins.'
Do you do CRO for Shopify Plus stores?
Yes — most of our CRO work is on Shopify and Shopify Plus DTC brands doing $100K–$5M/month. Plus unlocks the highest-leverage experiments: checkout extensibility tests, Functions-driven offer logic, and B2B funnel optimization. We're a Shopify Plus Partner since 2019, so checkout-level testing is native to our practice, not outsourced.

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Shopify Development Agency

When testing proves a rebuild is worth it — custom themes engineered for conversion from day one.

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Shopify Plus Agency

Checkout extensibility, Shopify Functions, and the enterprise features that unlock checkout-level CRO.

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Shopify SEO Agency

More traffic into the funnel you just optimized — technical SEO, collections, content, and GEO.

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Ready to lift conversion?

Find out what your funnel is leaving on the table

Book a free 30-minute Shopify CRO audit. We'll benchmark your conversion rate, diagnose the funnel, and hand you the five highest-impact experiments — whether or not you run them with us.

No credit card · No commitment · Pay only on results