The Growth Rock Ecommerce CRO Agency

Already bought in? Jump to the contact form.

Our boutique ecommerce CRO agency is 100% focused on conversion rate optimization and AB testing for ecommerce websites. We aren’t part of a larger digital marketing agency where conversion rate optimization (CRO) is just one of many services.

As a result of our obsession with ecommerce CRO, we’ve built frameworks to fix what’s broken, specifically:

Traditional A/B Testing Is Guesswork, We Developed The Purpose Framework

Most ecommerce A/B testing is a series of random guesses. Randomly guessing can work sometimes, but if this is your strategy, in the long term you’ll struggle to increase conversions. To fix this, we developed The Purpose Framework. It gives ecommerce clients a way to holistically understand their customers, their store, and what moves the needle on conversion rate. With it we turn your CRO program from guesswork to strategy. It also results in more winning tests and better overall increases in conversion rate. We set this up and execute start to finish for clients. 

While Others Are Still Using Hypotheses, We Developed The Question Mentality

Everyone bases A/B tests on a “hypothesis”, but this leads to bias and limits learning: a complex set of site interactions from your customers get reduced to “So did the test win or not?” To fix this, we developed The Question Mentality, where we base every A/B test on a series of questions instead of a single, yes or no hypothesis. This dramatically expands learning and reduces bias as explained in the article.

We Share a Database of All Ecommerce A/B Tests We’ve Ever Run

We’re platform agnostic — we can run tests on Optimizely, VWO, Google Optimize, and Adobe Target, and we’ve run hundreds of A/B tests over the years. To let ecommerce brands see our experience, we keep a live database of every test we’ve run labeled with purposes from our Purpose Framework and organized by section of ecommerce sites, updated monthly. Curious if we’ve tested something you want to test? See for yourself.

Benefits of Working With Our Ecommerce CRO Agency

  • We’ll apply a strategic framework to understand your site, not just make guesses
    Benefit: When everyone else is randomly testing things that “might” work, or mistaking eye-tracking studies or heatmaps in Hotjar as “strategy”, you’ll have a quantitative, graphable, understanding of what themes (“purposes”) move the needle and which don’t. So you can focus your resources on what works (read the full article).  
  • Get access to our extensive knowledge of ecommerce UI patterns (what works, what doesn’t)
    Benefit: We’ve run hundreds of tests every year for ecommerce companies (see our database here) and can shortcut your learning process with our knowledge of what works and doesn’t.
  • We run the entire process start to finish, no development bottlenecks
    Benefit: Many companies stall out on testing due to development bottlenecks. We handle the entire process, from ideation to design to development and analytics. 
  • Build a testing culture in your company
    Benefit: Most companies debate endlessly, implement changes, and hope for the best. You’ll begin changing your culture from “loudest voice wins” to “listen to the data”.
  • Work with the actual CRO experts, not project managers
    We are a boutique agency, meaning you won’t work with random account managers learning on the job. Every client works directly with Dan or Devesh who have a combined two decades of experience in ecommerce, CRO, and analytics.

How Our CRO Process Works

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

  1. Customer Experience Research and Ideation – We base our AB tests on a deep understanding of your website visitors, the customer experience they report receiving, what analytics data tells us (Google Analytics and Adobe Analytics), and our experience of what works and what doesn’t in ecommerce. 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 test ideas, organized by purpose and section of the online store and prioritize collaboratively with our clients.
  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.

Thought Leadership and Know How

In addition to the frameworks and A/B test database linked to above, we’ve published many case studies and written extensively on ecommerce conversion rate optimization, ab test results, and ecommerce UX. Here is a sample.

Management Team Members

Devesh Khanal

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

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 are a conversion rate optimization agency that lives and breathes ecommerce UX and increasing conversion rates.

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 figures in annual revenue. For these million dollar and larger ecommerce brands, here is why we think you’ll benefit from choosing to have us be your conversion rate optimization agency:

  1. 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.
  2. 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.
  3. More Flexibility: We don’t require a 6 or 12 month contract.
To apply for service and to get a free consultation, please fill out the form:

    Your URL:
    Ecommerce Platform:
    Monthly Traffic Range:
    Annual Online Revenue Range:
    How can we help?

    Frequently Asked Questions

    Does your agency have experience with our ecommerce platform (Shopify Plus, Magento, BigCommerce, Woocommerce, Salesforce Commerce Cloud, etc.)?

    Chances are we do. We’ve worked with many ecommerce platforms, and in particular have lots of experience with Shopify Plus and Magento. But the larger concept is that, for our optimization service, it doesn’t matter which platform you are on. We use ab testing software which tests changes on the front end of your ecommerce site regardless of your backend software. When we have a winning variation we hand it over to your development team to implement through your backend.

    For Shopify Plus in particular, we have developers that can directly implement winning changes in your backend.

    Can you run AB tests in Optimizely, VWO, Google Optimize, or Adobe Target?

    Yes! We are platform agnostic. We have run AB tests on all of the above platforms, are Optimizely developer certified, have a close relationship with VWO (and have published a case study on their blog), and have run many tests on both Google Optimize and Adobe Target. We’re happy to also advise on the pros and cons of each platform and help you make the best decision for your company.