Learn A/B Testing The Right Way

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92 articles

A/B testing onboardings on Webflow: a simple playbook (with metrics + pitfalls)

A practical, no-fluff guide for Webflow designers and growth teams. Covers setup, measurement, common pitfalls, and experiment ideas you can ship this week. Updated December 20, 2025.

December 20, 2025

A/B testing pricing pages on Webflow: how to measure it correctly (avoid false positives)

A practical, no-fluff guide for Webflow designers and growth teams. Covers setup, measurement, common pitfalls, and experiment ideas you can ship this week. Updated December 19, 2025.

December 19, 2025

A/B testing email capture modals on WordPress: what to test first (10 quick wins)

A practical, no-fluff guide for WordPress site owners and marketers. Covers setup, measurement, common pitfalls, and experiment ideas you can ship this week. Updated December 18, 2025.

December 18, 2025

A/B testing demo request pages on WordPress: a simple playbook (with metrics + pitfalls)

A practical, no-fluff guide for WordPress site owners and marketers. Covers setup, measurement, common pitfalls, and experiment ideas you can ship this week. Updated December 17, 2025.

December 17, 2025

A/B testing free trial pages on WordPress: how to measure it correctly (avoid false positives)

A practical, no-fluff guide for WordPress site owners and marketers. Covers setup, measurement, common pitfalls, and experiment ideas you can ship this week. Updated December 16, 2025.

Decision Guide

Best A/B Testing Tool for Shopify Stores (2025)

Compare the best A/B testing tools for Shopify. We analyze pricing, features, revenue tracking, and ease of use to help you choose.

Decision Guide

Best A/B Testing Tool for Startups (2025)

Find the best A/B testing tool for your startup. We compare pricing, features, and ease of use for tools that won't break your budget.

Decision Guide

Best A/B Testing Tool Without Developers (2025)

Find the best no-code A/B testing tools that don't require developers. Visual editors, drag-and-drop interfaces, and easy setup.

VWO vs Optimizely: Which A/B Testing Tool is Better? (2025)

Detailed comparison of VWO vs Optimizely for A/B testing. We compare pricing, features, ease of use, and help you decide.

Client-Side vs Server-Side A/B Testing: Complete Comparison

Understand the differences between client-side and server-side A/B testing. Learn when to use each approach.

Implementation Guide

Server-Side A/B Testing in Next.js 14 App Router (No Flicker)

Learn how to implement flicker-free A/B testing in Next.js 14 App Router using Edge Middleware. Complete TypeScript guide.

Implementation Guide

A/B Testing in React: Complete Guide (2025)

Learn how to implement A/B testing in React applications. Covers hooks, context, server components, and best practices.

A/B Testing for Framer: Complete Guide (2025)

Learn how to run A/B tests on Framer websites. Step-by-step guide to split testing without coding.

A/B Testing for Webflow: Complete Guide (2025)

Learn how to run A/B tests on Webflow websites. Step-by-step setup guide for split testing without code.

Beginner Guide

How to Run Your First A/B Test: Beginner's Guide

Step-by-step guide to running your first A/B test. Learn what to test, how to set up an experiment, and how to interpret results.

A/B Testing Tools Performance Benchmark (2025)

A reproducible framework for benchmarking A/B testing tools: script size, page load impact, and Core Web Vitals.

Core Web Vitals Impact of A/B Testing Tools (2025)

How A/B testing tools affect LCP, CLS, and interaction latency — and what that means for SEO.

A/B Testing Flicker (FOOC): Measurement Protocol + Benchmarks

A reproducible method to measure flicker (FOOC), why it biases tests, and how to eliminate it.

A/B Testing Conversion Uplift: What Results Should You Expect?

A practical framework for expected uplifts, win rates, and building your own uplift distribution benchmark.

A/B Test Duration Benchmarks: How Long Should Tests Run?

Benchmarks by traffic and industry, plus the rules and mistakes that make tests run too long (or end too early).

False Positives in A/B Testing: Why “Winners” Disappear

How peeking, multiple metrics, and plan changes inflate error — and a simple checklist to prevent it.

CRO Myths vs Evidence: What Actually Works (and What to Test)

A scorecard of common CRO “best practices” with evidence levels and a copy-paste testing playbook.

Glossary

What is Sample Ratio Mismatch (SRM)? Detection & Prevention

Learn what Sample Ratio Mismatch is, why it invalidates your A/B tests, how to detect it, and how to prevent it.

Engineering Template

Python Script to Calculate Statistical Significance (Copy-Paste)

Free Python script to calculate statistical significance for A/B tests. Copy-paste code with p-value and confidence intervals.

A/B testing product pages on WordPress: what to test first (10 quick wins)

A practical, no-fluff guide for WordPress site owners and marketers. Covers setup, measurement, common pitfalls, and experiment ideas you can ship this week. Updated December 15, 2025.

December 15, 2025

Research

50+ A/B Testing Statistics for 2025 (Data-Backed)

The most comprehensive collection of A/B testing statistics. Conversion rates, ROI data, success rates, and industry benchmarks from real experiments.

December 15, 2025

A/B testing landing pages on WordPress: a simple playbook (with metrics + pitfalls)

A practical, no-fluff guide for WordPress site owners and marketers. Covers setup, measurement, common pitfalls, and experiment ideas you can ship this week. Updated December 14, 2025.

December 14, 2025

Getting Started

A/B testing signup flows on WordPress: how to measure it correctly (avoid false positives)

A practical, no-fluff guide for WordPress site owners and marketers. Covers setup, measurement, common pitfalls, and experiment ideas you can ship this week. Updated December 13, 2025.

December 13, 2025

A/B testing homepages on WordPress: what to test first (10 quick wins)

A practical, no-fluff guide for WordPress site owners and marketers. Covers setup, measurement, common pitfalls, and experiment ideas you can ship this week. Updated December 12, 2025.

December 12, 2025

A/B testing checkouts on WordPress: without breaking payments (safe rollout)

A practical, no-fluff guide for WordPress site owners and marketers. Covers setup, measurement, common pitfalls, and experiment ideas you can ship this week. Updated December 11, 2025.

December 11, 2025

A/B testing onboardings on WordPress: how to measure it correctly (avoid false positives)

A practical, no-fluff guide for WordPress site owners and marketers. Covers setup, measurement, common pitfalls, and experiment ideas you can ship this week. Updated December 10, 2025.

December 10, 2025

A/B Testing for Squarespace: Complete Guide

Learn how to run A/B tests on Squarespace without coding. Step-by-step guide to split testing headlines, CTAs, images, and layouts.

December 10, 2025

A/B testing pricing pages on WordPress: what to test first (10 quick wins)

A practical, no-fluff guide for WordPress site owners and marketers. Covers setup, measurement, common pitfalls, and experiment ideas you can ship this week. Updated December 9, 2025.

December 9, 2025

A/B testing email capture modals on Shopify: a simple playbook (with metrics + pitfalls)

A practical, no-fluff guide for Shopify merchants and e-commerce teams. Covers setup, measurement, common pitfalls, and experiment ideas you can ship this week. Updated December 8, 2025.

December 8, 2025

A/B testing demo request pages on Shopify: how to measure it correctly (avoid false positives)

A practical, no-fluff guide for Shopify merchants and e-commerce teams. Covers setup, measurement, common pitfalls, and experiment ideas you can ship this week. Updated December 7, 2025.

December 7, 2025

A/B testing free trial pages on Shopify: what to test first (10 quick wins)

A practical, no-fluff guide for Shopify merchants and e-commerce teams. Covers setup, measurement, common pitfalls, and experiment ideas you can ship this week. Updated December 6, 2025.

December 6, 2025

A/B testing product pages on Shopify: a simple playbook (with metrics + pitfalls)

A practical, no-fluff guide for Shopify merchants and e-commerce teams. Covers setup, measurement, common pitfalls, and experiment ideas you can ship this week. Updated December 5, 2025.

December 5, 2025

Shopify A/B Testing with Revenue Tracking: The Complete Guide

The only A/B testing tool that automatically tracks Shopify revenue per variant. Know exactly which tests make you money.

December 5, 2025

A/B testing landing pages on Shopify: how to measure it correctly (avoid false positives)

A practical, no-fluff guide for Shopify merchants and e-commerce teams. Covers setup, measurement, common pitfalls, and experiment ideas you can ship this week. Updated December 4, 2025.

December 4, 2025

Shopify Conversion Rate Optimization: 20 Proven Strategies

Increase your Shopify store conversion rate with these 20 data-backed CRO strategies. From product pages to checkout.

December 4, 2025

18 min read

ExperimentHQ vs VWO: The Modern Alternative for Growth Teams

A detailed comparison of ExperimentHQ and VWO. See why teams are switching to a simpler, faster A/B testing platform.

December 4, 2025

Getting Started

A/B testing signup flows on Shopify: what to test first (10 quick wins)

A practical, no-fluff guide for Shopify merchants and e-commerce teams. Covers setup, measurement, common pitfalls, and experiment ideas you can ship this week. Updated December 3, 2025.

December 3, 2025

Best A/B Testing Tools for Shopify: Complete Comparison

Compare the top A/B testing tools for Shopify stores. Features, pricing, and revenue tracking capabilities reviewed.

December 3, 2025

ExperimentHQ vs Optimizely: Which A/B Testing Tool is Right for You?

Optimizely is powerful but complex. Here's how ExperimentHQ delivers the same results with 10x less complexity.

December 3, 2025

A/B testing homepages on Shopify: a simple playbook (with metrics + pitfalls)

A practical, no-fluff guide for Shopify merchants and e-commerce teams. Covers setup, measurement, common pitfalls, and experiment ideas you can ship this week. Updated December 2, 2025.

December 2, 2025

Shopify Checkout Optimization: 15 Tests to Reduce Abandonment

Reduce Shopify checkout abandonment with these 15 proven optimization strategies. Guest checkout, express payments, and more.

December 2, 2025

Best Google Optimize Alternatives in 2025: Complete Guide

Google Optimize is gone. Here are the best alternatives for A/B testing, and why ExperimentHQ is the closest spiritual successor.

December 2, 2025

A/B testing checkouts on Shopify: without breaking payments (safe rollout)

A practical, no-fluff guide for Shopify merchants and e-commerce teams. Covers setup, measurement, common pitfalls, and experiment ideas you can ship this week. Updated December 1, 2025.

E-commerce Revenue Optimization: Beyond Conversion Rate

Stop optimizing for conversion rate alone. Learn how to optimize for revenue per visitor, AOV, and customer lifetime value.

A/B Testing Best Practices: The Complete Guide for 2025

Learn how to run statistically significant A/B tests that actually move the needle. From hypothesis to implementation.

Best A/B Testing Tool for Shopify Stores

ExperimentHQ is the #1 A/B testing tool for Shopify. Easy setup, no coding required, and built for e-commerce conversion optimization.

Best A/B Testing Tool for WordPress

ExperimentHQ is the #1 A/B testing solution for WordPress sites. Lightweight, fast, and no plugin bloat.

9 min read

Best A/B Testing Tool for Webflow

ExperimentHQ is the #1 A/B testing tool for Webflow sites. Native integration, visual editor, and real-time results.

Best A/B Testing Tool for Wix Websites

ExperimentHQ is the #1 A/B testing tool for Wix. Easy setup, no coding, and works with all Wix templates.

Best A/B Testing Tool for Next.js

ExperimentHQ is the #1 A/B testing solution for Next.js apps. Works with App Router & Pages Router. Zero flicker.

9 min read

Best A/B Testing Tool for Nuxt

ExperimentHQ is the #1 A/B testing solution for Nuxt apps. Works with Nuxt 3, SSR, and static sites. Zero flicker.

Best A/B Testing Tool for React

ExperimentHQ is the #1 A/B testing solution for React apps. Works with CRA, Vite, and any React setup. No SDK required.

9 min read

Best A/B Testing Tool for WooCommerce

ExperimentHQ is the #1 A/B testing tool for WooCommerce stores. Lightweight, fast, and built for e-commerce.

A/B testing onboardings on Shopify: what to test first (10 quick wins)

A practical, no-fluff guide for Shopify merchants and e-commerce teams. Covers setup, measurement, common pitfalls, and experiment ideas you can ship this week. Updated November 30, 2025.

November 30, 2025

Conversion Rate Optimization: From 2% to 5% in 90 Days

A step-by-step playbook for doubling your conversion rate using systematic A/B testing. Real examples included.

November 30, 2025

A/B testing pricing pages on Shopify: a simple playbook (with metrics + pitfalls)

A practical, no-fluff guide for Shopify merchants and e-commerce teams. Covers setup, measurement, common pitfalls, and experiment ideas you can ship this week. Updated November 29, 2025.

November 29, 2025

Reference

A/B Testing Glossary — Every Term Explained in Plain English

The complete A/B testing glossary. Every term explained simply, from statistical significance to multivariate testing.

March 20, 2025

Pricing Page Optimization: 12 A/B Tests That Increase Revenue

Optimize your pricing page with proven A/B tests. Anchoring, tier design, annual vs monthly, and more.

March 20, 2025

Founder's Notes

How We Designed the Fastest A/B Testing Snippet on the Internet

Most A/B testing scripts are 100KB+. Ours is under 5KB. Here's how we engineered the fastest snippet without sacrificing features.

March 18, 2025

Mobile A/B Testing: Complete Guide for Apps & Mobile Web

Master mobile A/B testing for apps and websites. Touch targets, thumb zones, and responsive testing.

March 15, 2025

Founder's Notes

The Anti-Bloat Philosophy: Why 'Simple' Wins More Tests

Most A/B testing tools are overengineered. Here's why we built ExperimentHQ with radical simplicity.

March 12, 2025

How to Build an Experimentation Culture From Zero

The complete playbook for building an experimentation culture at your company. From first test to company-wide adoption.

March 10, 2025

Advanced

Multivariate Testing (MVT): Complete Guide with Examples

Learn when to use multivariate testing vs A/B testing. Includes sample size calculations and real examples.

March 10, 2025

The Economics of A/B Testing: ROI Breakdown With Real Numbers

Calculate the ROI of A/B testing for your business. Real numbers, real math, real impact on revenue.

March 5, 2025

Advanced

Website Personalization: The Complete Guide

Learn how to implement website personalization that drives conversions. From basic segmentation to AI-powered experiences.

March 5, 2025

18 min read

Technical Guide

Client-Side vs Server-Side A/B Testing — Which Should You Use?

Complete guide to client-side vs server-side A/B testing. Learn when to use each approach and the tradeoffs involved.

March 1, 2025

Research

50 A/B Testing & CRO Statistics You Need to Know

Essential A/B testing statistics and CRO benchmarks. Industry data, success rates, and conversion benchmarks.

March 1, 2025

Technical Guide

Flicker-Free Testing: Why Most Tools Get It Wrong

That flash of original content before your variant loads? It's called flicker, and it ruins your tests. Here's how to eliminate it.

February 25, 2025

Technical Guide

How to Avoid SEO Damage from A/B Testing

A/B testing can hurt your SEO if done wrong. Learn how to run experiments without damaging your search rankings.

February 20, 2025

Troubleshooting

Why Your A/B Test Isn't Working (And How to Fix It)

Your A/B test isn't showing results? Here are the 10 most common reasons tests fail — and exactly how to fix each one.

February 18, 2025

Developer Guide

How to Build a Simple A/B Test with JavaScript

Complete JavaScript A/B testing tutorial. Learn how to build client-side experiments from scratch with working code examples.

February 15, 2025

Best A/B Testing Tools Compared: Complete Guide

Compare the top A/B testing platforms. Detailed analysis of pricing, features, ease of use, and performance.

February 15, 2025

20 min read

Tool

A/B Test Duration Calculator — How Long Should Your Test Run?

Free A/B test duration calculator. Learn how long to run your experiments and why most people get it wrong.

February 10, 2025

12 A/B Testing Mistakes That Kill Your Conversion Rate

Avoid these common A/B testing mistakes that lead to false conclusions and wasted effort.

February 10, 2025

Tutorial

How to Run Your First A/B Test Without Developers

Step-by-step guide to running your first A/B test. No coding required, no developers needed. Start testing in 15 minutes.

February 5, 2025

A/B Test Sample Size Calculator: How Many Visitors Do You Need?

Learn how to calculate the right sample size for your A/B tests. Includes formulas and reference tables.

February 5, 2025

Beginner Guide

What Is A/B Testing? The Only Guide You Need

A/B testing explained simply. Learn what it is, how it works, and how to run your first test — no statistics degree required.

February 1, 2025

Landing Page A/B Testing: 15 Tests That Convert

Master landing page optimization with these 15 proven A/B tests. Headlines, CTAs, social proof, and more.

February 1, 2025

Industry

E-commerce A/B Testing: 25 High-Converting Tests

Discover the most effective A/B tests for e-commerce stores. Product pages, checkout, and cart optimization.

January 25, 2025

22 min read

Optimizely Pricing Breakdown — Why It's So Expensive

Optimizely costs $50,000-$200,000+/year. Here's exactly what you're paying for and what to do if you don't have enterprise budget.

January 22, 2025

VWO Pricing Explained — And Cheaper Alternatives

VWO pricing starts at $10,000/year. Here's a complete breakdown of what you get, hidden costs, and affordable alternatives.

January 20, 2025

Industry

A/B Testing for SaaS Startups: The Ultimate Guide

Learn how to implement A/B testing at your SaaS startup. Pricing page experiments, onboarding flows, and more.

January 20, 2025

20 min read

The Definitive Guide to Google Optimize Alternatives (2025 Edition)

Google Optimize shut down. Here's your complete guide to the best A/B testing alternatives — with honest comparisons, real pricing, and our top recommendation.

January 15, 2025

Statistical Significance in A/B Testing: The Complete Guide

Learn what statistical significance really means, how to calculate it, and when to trust your test results.

January 15, 2025

18 min read

Tutorial

How to Migrate from Google Optimize in 10 Minutes

Complete migration guide from Google Optimize to ExperimentHQ. Step-by-step instructions, code examples, and tips for a seamless transition.

January 12, 2025

Analysis

Why Google Optimize Was Discontinued — And What to Use Now

The real reasons Google killed Optimize, what it means for your A/B testing strategy, and the best alternatives to use today.

January 10, 2025

Free A/B Testing Tools in 2025: What Actually Works

Most "free A/B testing tools" aren't actually free. Here's the truth about what's available — including hidden costs and limitations.

January 8, 2025