Now accepting new clients

A/B Testing Subscriptions
with Uplift Guarantee

Pause or cancel anytime.

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It's 'you'll never go back' better

CRO Lab replaces unreliable freelancers and expensive agencies for one flat monthly fee, with powerful A/B Tests delivered so fast and reliablyyou won't want to go anywhere else.

📊

Detailed monthly reports

Get comprehensive reports with winning variations, implementation screenshots, and actionable insights for maximum ROI.

🏆

Top-notch quality

CRO quality so high, it'll blow your mind. Our experts have optimized for Fortune 500 companies.

🎨

Unique and all yours

Each test is made from scratch and tailored to your brand, no templates or cookie-cutter solutions.

Structured 30-day rollouts

We strategically roll out your tests during the first 30 days, then let them run until statistical significance is reached.

💰

Fixed monthly rate

No surprises here! Pay the same fixed price each month for predictable budgeting.

🎯

High-probability winning tests

Skip the guesswork with proven test patterns from our extensive testing experience across industries.

Built on thousands of proven winners

We don't guess. Every test recommendation comes from our library of high-probability winners, refined through years of testing across industries.

Years of Testing Experience

We've learned what works through extensive testing across industries. Instead of random experiments, we start with proven patterns that consistently deliver results.

Checkout Flow Optimizations

Trust signals, form simplification, and urgency elements that consistently improve conversion rates.

Consistently effective

Landing Page Headlines

Value propositions, emotional triggers, and clarity improvements that capture attention and drive action.

High impact patterns

Social Proof Strategies

Testimonials, reviews, and credibility indicators positioned for maximum psychological impact.

Proven to work

Skip the guesswork

Start with tests that have a high success rate instead of shooting in the dark.

Our Uplift Guarantee

We're so confident because we use proven patterns from years of testing experience. If you run 20 tests with us, at least a few will generate measurable uplift for your business.

100% Guaranteed Results

We guarantee that multiple tests will uplift your conversions

Run 20 tests, get guaranteed wins. It's that simple.

20
Tests Required
3+
Guaranteed Winners
15%+
Minimum Uplift

How Our Guarantee Works:

  • Run 20 tests - Complete a full testing cycle with our team
  • Get 3+ winners - We guarantee at least 3 tests will show statistically significant uplift
  • Minimum 15% uplift - Each winning test will deliver at least 15% improvement
  • Money-back guarantee - If we don't deliver, we'll refund the difference or provide additional tests free

Choose your plan

Pick a plan that works for you. Upgrade or downgrade at any time.

20 Tests/Month

$ 4,995 /month

Perfect for growing businesses ready to optimize

20 VWO editor A/B tests per month
30-day strategic rollout
Weekly progress reports
Dedicated test manager
HyperTask.ai dashboard
VWO platform setup & support
Pause or cancel anytime

100 Tests/Month

$ 17,995 /month

Maximum testing velocity for market leaders

100 VWO editor A/B tests per month
Same-day implementation
Daily sync calls
Dedicated team of experts
VWO platform setup & support
Server-side testing
Quarterly strategy sessions
Pause or cancel anytime

Need Custom Developer Tests?

Want custom integrations, server-side tests, or complex functionality that goes beyond VWO editor capabilities?

$650/day
Dedicated Developer
✓ Custom JavaScript implementation
✓ Server-side testing setup
✓ Complex integration work
✓ Advanced tracking & analytics

Available as an add-on to any plan. Billed separately based on usage.

Limited Capacity

We only work with a select number of clients to ensure quality and attention.

Currently accepting new clients on a first-come, first-served basis.

Traffic Requirements

You need 5,000+ monthly visitors for meaningful test results.

Higher traffic = faster results and more reliable data.

VWO Partner Discount

Get VWO testing platform at 15% off regular pricing

VWO license purchased separately with our exclusive partner discount

What our clients say

Real results from real businesses

"Valentin transformed the A/B testing approach across both our companies - Truely and International Drivers Association. Before his help, we relied on developer-implemented tests which severely limited our testing velocity. Valentin showed our teams how to effectively use the Convert.com editor and implemented a streamlined ideation process. The results were immediate - we went from running a handful of tests to a robust testing calendar at both businesses. His hands-on training meant everyone could create and implement tests independently, significantly improving conversion rates for both our eSIM service and IDP offerings. I highly recommend Valentin to any company looking to accelerate growth through data-driven decisions."

J

JP Bisson

CEO of Truely & IDA

"Valentin kick started our A/B testing and helped us set up impactful tests and increase revenue"

A

Alexander Renner

Hairskin CMO

"I had the pleasure of working with Valentin Yeo as a freelance UX consultant at trivago. Valentin's keen insights and user-centered approach were pivotal in enhancing our product's user experience. His ability to bridge the gap between design and functionality is truly commendable. Valentin's professionalism, innovation, and collaborative nature make him an asset to any team. Highly recommended."

R

Rüdiger Narr

UX Consultant

"Working with Valentin has been an absolute game-changer. His massive experience in CRO shines through in every step of the process. Communication with him is always swift, professional, and to the point. Valentin's ability to work independently and proactively is outstanding—he quickly identified the key KPIs we needed to focus on and provided invaluable support in optimizing them. The results speak for themselves: an above-average success rate in split tests and tangible improvements across the board. If you're looking for a CRO expert who delivers results with professionalism and expertise, Valentin is the one. Absolute recommendation—go for it!"

M

Merlin

CRO Expert

FAQs

Everything you need to know about CRO Lab

Good question! A senior CRO specialist costs $100k+ per year, plus benefits. With CRO Lab, you get an entire team of experts for a fraction of that cost, with the flexibility to pause or scale as needed.

Once subscribed, you can add as many test ideas to your queue as you'd like. We'll work through them based on your monthly test limit, prioritizing based on potential impact.

Tests are strategically rolled out during the first 30 days of your subscription, then run until statistical significance is reached. We'll provide progress updates and recommend optimal test duration based on your traffic volume.

We work with all major testing platforms including Optimizely, VWO, Google Optimize, Adobe Target, and more. We can also implement custom solutions using your preferred tools.

Simply add your test ideas to your HyperTask.ai board. Include any details, hypotheses, or mockups. We'll take it from there, creating the test plan, implementing, and monitoring results.

No worries! We'll continue refining the test until you're 100% satisfied. Your success is our success, and we're committed to delivering tests that meet your standards.

Due to the high-quality nature of our work, we don't offer refunds. However, you can pause or cancel your subscription at any time, no questions asked.

Absolutely! You can pause your subscription anytime and resume when you're ready. Billing cycles are paused too, so you won't lose any unused test credits.

See if CRO Lab is right for you

Get a guided tour through CRO Lab, and find out how you and your team can change the way you optimize conversions, forever.