Pillar25 articles

Experimentation

All 25 articles on experimentation from the CustomFit.ai blog.

Testing Velocity: How Many Tests Should You Run? featured imageexperimentation

Testing Velocity: How Many Tests Should You Run?

How many A/B tests should your ecommerce team run? Testing velocity benchmarks, bottleneck fixes, and how to increase test throughput without sacrificing quality.

Sapna Johar· 8 min read
Testing Culture: Getting Buy-In from Leadership featured imageexperimentation

Testing Culture: Getting Buy-In from Leadership

How to build a testing culture and get leadership buy-in for A/B experimentation. Practical strategies for ecommerce CRO teams. Real examples and frameworks.

Sapna Johar· 8 min read
Quarterly CRO Review: What to Measure featured imageexperimentation

Quarterly CRO Review: What to Measure

How to run a quarterly CRO review for your ecommerce store. What metrics to track, how to report results to leadership, and how to set Q+1 priorities.

Sapna Johar· 8 min read
How to Present A/B Test Results to Stakeholders featured imageexperimentation

How to Present A/B Test Results to Stakeholders

How to present A/B test results to stakeholders who aren't statisticians. Clear frameworks, visuals, and storytelling approaches for ecommerce and D2C teams in 2026.

Sapna Johar· 8 min read
PIE vs ICE Framework for Test Prioritization featured imageexperimentation

PIE vs ICE Framework for Test Prioritization

PIE vs ICE framework for prioritizing A/B tests: how each scoring system works, when to use which, and how to avoid the subjectivity trap that makes both frameworks less useful.

Sapna Johar· 9 min read
Loading Speed Perception: Skeleton Screens & Spinners featured imageexperimentation

Loading Speed Perception: Skeleton Screens & Spinners

Understand loading speed perception and when to use skeleton screens vs. spinners. Includes D2C ecommerce examples and A/B testing guidance to reduce abandonment.

Sapna Johar· 8 min read
Incrementality Testing for Ecommerce featured imageexperimentation

Incrementality Testing for Ecommerce

What is incrementality testing for ecommerce and how do you run it? Learn how D2C brands measure true marketing and CRO impact using incrementality experiments.

Sapna Johar· 7 min read
Holdout Groups in Experimentation featured imageexperimentation

Holdout Groups in Experimentation

What are holdout groups in A/B testing and experimentation? When to use them, how to size them, and how they reveal the true impact of your CRO program.

Sapna Johar· 8 min read
Feature Flags vs A/B Tests: When to Use Which featured imageexperimentation

Feature Flags vs A/B Tests: When to Use Which

Feature flags vs A/B tests — when to use each, how they overlap, and when to combine them. Practical guide for ecommerce product and growth teams.

Sapna Johar· 8 min read
Experimentation Roadmap: Prioritize What to Test featured imageexperimentation

Experimentation Roadmap: Prioritize What to Test

Build an experimentation roadmap that prioritizes the highest-impact tests. Learn how to generate hypotheses, score opportunities, and build a testing calendar your team will actually follow.

Sapna Johar· 9 min read
Experimentation Platform Selection Guide featured imageexperimentation

Experimentation Platform Selection Guide

How to choose the right experimentation platform for your ecommerce store. Compare features, costs, and Shopify compatibility. No developer needed options.

Sharan Kumar· 8 min read
Building an Experimentation Culture: Complete Guide featured imageexperimentation

Building an Experimentation Culture: Complete Guide

How to build an experimentation culture at your D2C brand. From first A/B test to a team that runs 20+ tests/month — the complete playbook for 2026. (151 chars)

Sapna Johar· 18 min read
Ecommerce Error Pages: Design for Recovery featured imageexperimentation

Ecommerce Error Pages: Design for Recovery

Design ecommerce error pages that recover lost visitors instead of losing them forever. Covers 404 pages, OOS pages, checkout errors, and recovery UX patterns.

Sapna Johar· 8 min read
CRO Team Structure: Roles & Responsibilities featured imageexperimentation

CRO Team Structure: Roles & Responsibilities

How to structure a CRO team at any size—from solo growth marketer to dedicated experimentation function. Roles, responsibilities, and how to run tests without a big team.

Sapna Johar· 8 min read
CRO Proposal Template for Agencies featured imageexperimentation

CRO Proposal Template for Agencies

A complete CRO proposal template for agencies. Includes structure, pricing presentation, case study format, and the exact sections that close D2C ecommerce clients.

Sapna Johar· 10 min read
CRO + Product Management: Working Together featured imageexperimentation

CRO + Product Management: Working Together

How CRO and product management teams can work together to run better experiments and ship higher-converting features. Frameworks and workflows for D2C teams.

Sapna Johar· 8 min read
CRO Podcasts: Best Shows for Learning featured imageexperimentation

CRO Podcasts: Best Shows for Learning

The best CRO and conversion rate optimization podcasts for 2025. Covers A/B testing, growth marketing, ecommerce optimization, and experimentation strategy.

Sapna Johar· 7 min read
CRO for Non-Technical Marketers: Getting Started featured imageexperimentation

CRO for Non-Technical Marketers: Getting Started

CRO for non-technical marketers: start running A/B tests on your Shopify store without writing code. Step-by-step guide for D2C marketing teams.

Sapna Johar· 8 min read
CRO Documentation: Templates & Best Practices featured imageexperimentation

CRO Documentation: Templates & Best Practices

CRO documentation templates for A/B tests, hypotheses, and experiment logs. Ready-to-use frameworks and best practices for building a systematic testing program in 2026.

Sapna Johar· 10 min read
CRO Community: Where to Connect with CRO Professionals featured imageexperimentation

CRO Community: Where to Connect with CRO Professionals

Find the best CRO communities and professional networks for conversion rate optimization practitioners. Online groups, Slack communities, and events for 2025.

Sapna Johar· 7 min read
CRO Certification: Where to Learn CRO featured imageexperimentation

CRO Certification: Where to Learn CRO

Best CRO certification courses and learning resources for 2025. Compare CXL, Google, and free options. Build real A/B testing skills for ecommerce teams.

Sapna Johar· 7 min read
CRO Books: 15 Must-Read Books for Optimization featured imageexperimentation

CRO Books: 15 Must-Read Books for Optimization

The 15 best CRO books for conversion rate optimization and ecommerce growth in 2025. Covers psychology, A/B testing, copywriting, and UX design.

Sapna Johar· 8 min read
CRO for Agencies: How to Offer CRO Services featured imageexperimentation

CRO for Agencies: How to Offer CRO Services

How digital marketing agencies can build and sell CRO services. Pricing models, service tiers, client delivery frameworks, and tools for agency CRO programs.

Sapna Johar· 7 min read
How to Build an A/B Test Hypothesis Library featured imageexperimentation

How to Build an A/B Test Hypothesis Library

Build an A/B test hypothesis library that keeps your CRO program running. Template, prioritization frameworks, and real examples for ecommerce teams.

Sapna Johar· 8 min read
Annual CRO Planning: Template & Process featured imageexperimentation

Annual CRO Planning: Template & Process

Annual CRO planning template and process for ecommerce teams. Set goals, prioritize tests, allocate resources, and build a 12-month experimentation roadmap.

Sapna Johar· 8 min read

Built for every D2C category

🧴
Skincare
💄
Beauty
🌿
Wellness
☕
F&B
👟
Apparel
💍
Jewelry
🛋️
Home
🍼
Baby
Live · Right now
Mamaearth — free-shipping band +12.4% AOVGIVA — festive collection page +34% revenueBellavita — PDP CTA test +27.4% CVRKapiva — Quiz-driven recs +9.48% CTRThe Sleep Co — landing personalized 2× capturesPlum — Returning shopper swap +18.2% CVRMamaearth — free-shipping band +12.4% AOVGIVA — festive collection page +34% revenueBellavita — PDP CTA test +27.4% CVRKapiva — Quiz-driven recs +9.48% CTRThe Sleep Co — landing personalized 2× capturesPlum — Returning shopper swap +18.2% CVR