CRO and Conversion Insights
Written for the people who actually run this work: conversion specialists, developers, CRO agencies and in-house experimentation teams. Technical detail and hiring judgement, not conversion folklore.
Looking for the work rather than the reading? Explore our services , get a conversion audit or hire a CRO developer.
How to Hire a CRO Developer: What to Screen For and Ask
A practical hiring guide: what the role requires, how to write the brief, five technical screening questions with the answers you want, and the red flags.
CRO Developer vs Front-End Developer: The Difference
Both write the same JavaScript. They are hired against different definitions of done, and the difference decides whether your experiment results mean anything.
How Much Does an A/B Test Developer Cost?
What drives the price of experiment development, the four pricing models, how to compare quotes, and the two costs that dwarf the hourly rate.
When Should a CRO Agency Outsource Experiment Development?
Five signals that development is your bottleneck, the arithmetic of hiring versus outsourcing, and how to protect the client relationship.
How White-Label CRO Development Works
The operating model behind white-label experiment development: access, confidentiality, who talks to whom, and what belongs in the agreement.
The Complete A/B Test Development Workflow
Nine stages from brief to rollout, what "done" means at each one, and the specific places experimentation programmes leak value.
The Complete A/B Test QA Checklist
The itemised pass we run before, at and after launch: functional, visual, responsive, cross-browser, targeting, analytics, flicker and isolation checks.
How to Prevent Flicker in A/B Tests
Why flicker is a data-validity defect rather than a cosmetic one, the four causes, and the mechanism each platform gives you to prevent it.
Convert vs Optimizely vs VWO: Which Should You Choose?
A developer’s comparison: default load behaviour, developer surface, SPA handling and the implementation effort each platform actually implies.
How to Hire a Shopify CRO Developer
What to screen for when hiring conversion development on Shopify: Liquid and sections, the AJAX cart, variant re-render and checkout limits by plan.
The Hidden Cost of A/B Test Flicker on Shopify
Visual flicker from WYSIWYG test builders corrupts your data and scares off buyers. Here is the engineering approach that gets you to zero flicker and 0.00 CLS.
7 Mobile PDP Fixes That Lift Add-to-Cart Rates on Shopify
Most Shopify traffic is mobile, and most product pages are still designed on a desktop monitor. Seven engineering-grade fixes, and how to decide which to test first.
Cart Drawer CRO: Why a Free-Shipping Progress Bar Works
A teardown of our highest-ROI cart test: replacing a slow app drawer with a 2.1kb custom Liquid cart featuring a dynamic free-shipping threshold bar.
Shopify Speed: Rebuilding a Plus Theme for Core Web Vitals
App bloat is the silent conversion killer. How an enterprise Shopify Plus theme was rebuilt for speed. The audit, the removals and the architecture behind it.
How Much Traffic Do You Need to A/B Test?
The uncomfortable math of sample sizes, why 30k monthly sessions is our floor, and what to do instead if you are not there yet.