Ecommerce Conversion Rate Optimization Service

Already bought in? Jump to the contact form.

Our boutique CRO agency is 100% focused on conversion rate optimization and AB testing for ecommerce brands. We are not part of a larger “digital marketing” agency where CRO is one of many services, nor is ecommerce one of many different verticals we service.

We’ve been running AB tests for 6 years. We’ve run them on Optimizely, VWO, Google Optimize, and Adobe Target.

We only do CRO, we only do it for ecommerce sites, and we only work with 4 – 6 clients at a time. This is why we’ve been able to publish case study after case study and conduct large ecommerce UX research projects that help ecommerce companies worldwide (beyond just our clients).

What You Get

  • Your entire AB testing operation outsourced, start to finish – We handle the entire process from ideation, pulling from our vast experience in what works and what doesn’t on ecommerce sites, design, development, and interpreting ab test results. We also deploy, when needed, UX research tools like live user tests (,, heatmaps, session recordings, user surveys and polls.
  • Increased site conversion rate – This is the one benefit most people think of when hiring a CRO agency. As our many case studies show, we’ve run many AB tests that increase conversion rate by 5%, 10%, 25% and more from homepages, product detail pages, listing pages and more. This provides a massive ROI to the business.
  • Creating a data driven culture, instead of endlessly debating designs – Most ecommerce design processes involve gathering in a conference room and endlessly debating each design detail. The loudest voice (or highest ranking person) wins, it “goes live”, and you monitor the conversion rate in analytics, hoping it does what you want. Instead, by building a “test and measure” culture, you’ll let your customers decide on winning site experiences with their clicks and actual purchase decisions.
  • Avoid your development bottleneck – We haven’t met an ecommerce company that doesn’t have a development bottleneck. We develop AB tests ourselves inside the AB test platform, completely circumventing the company’s development bottleneck. When needed, we also have plenty of experience working with development teams to get complex tests built.
  • Know your customers better – Our CRO process has revealed key insights about what customers do and don’t care about. This has benefits outside of site conversion rate, including affecting in store and print ads, brochure copy, and more.

How it Works

Our conversion optimization process follows a 4 step process. Here is exactly how we execute each step for your company.

  1. Customer Research and Ideation – We base our AB tests on a deep understanding of your customers and their pain points. We implement user research techniques such as: live user testing sessions, analysis of reviews and testimonials, session recordings, and polls. We then create a spreadsheet of hypothesis of UX changes that could improve conversion rate.
  2. AB Test Design – We take the top ideas and design variations to the site that will test those hypotheses (e.g. changes to product pages, listing pages, cart, checkout, homepage, mobile, desktop, and more). We get consensus with your team then move to development.
  3. AB Test Development – Our own developers, well versed in AB test development of ecommerce sites, code the variations in the AB testing platform (we don’t need to touch your server side code). We do this in days, not weeks or months.
  4. AB Test Results Interpretation – We check and report on results weekly. We are also thorough in analyzing the statistical significance of tests so you don’t falsely declare winners.
  5. Implementation (Shopify Only) – For Shopify clients, we also have a Shopify development team that can implement winning variations permanently on your site as well make other non-AB test site changes. Reach out to us below to learn more

Thought Leadership

We’ve published many case studies and written extensively on conversion rate optimization, ab test results, and ecommerce UX. Here is a sample.


Management Team Backgrounds

Devesh Khanal

Devesh Khanal has been running Growth Rock for 6 years. He has run hundreds of AB tests across many different businesses, done countless user research studies, and read and written many articles about ecommerce UX.

Dan Ramirez

Dan Ramirez, prior to Growth Rock, was Director of UX at GoGoTech, where he worked for 7 years, and managed their AB testing and site development program. He has an extensive background in UX design and quality assurance.

In addition, our team consists of four developers with countless AB tests developed in Optimizely, VWO, Google Optimize, and Adobe Target. We live and breathe ecommerce CRO.

ROI and Pricing

An ongoing CRO program like the one we provide is best for ecommerce sites with at least 3,000 or more monthly transactions and 7 figured in annual revenue. For these million dollar and larger ecommerce brands, here is why we think you’ll benefit from choosing to have us run your CRO program:

  1. Less Expensive: Our monthly rates are far less expensive than building an in house team (by a lot).
  2. More Experience: We run hundreds of AB tests, exclusively on ecommerce sites every year. We only work on ecommerce, and only do CRO. We have an internal database of patterns we’ve detected on different ecommerce sites over the years so we have a great sense of what works and what doesn’t.
  3. Faster Ramp Up: We hit the ground running with our set process from day one. We’ve executed this process multiple times, no “on the job” learning required.
  4. More Flexibility: We don’t require a 6 or 12 month contract.

We operate with a monthly retainer, that ranges from $4,000 per month to $8,500 per month depending on the size of the site and number of tests per month that we can likely launch.

To apply, please fill out the form:

Your URL:
Ecommerce Platform:
Monthly Traffic Range:
Annual Online Revenue Range:
Your Conversion Goal: