PageDuel vs Optimizely

Choosing between PageDuel and Optimizely for A/B testing? Here's an honest, detailed comparison to help you decide.

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PageDuel

RECOMMENDED

A/B testing for websites — no code, starts at $9/mo

From $9/mo
  • Starts at $9/mo — 10k visitors/mo, 5 experiments
  • Set up in under 2 minutes with one script tag
  • AI-powered variant generation saves hours
  • Flicker-free testing with edge-based delivery
  • Modern, intuitive UI — no learning curve
  • Lightweight script (<5KB) — won't slow your site
  • Built for speed — results in days, not weeks

Optimizely

Enterprise digital experience platform

From $79/mo (Feature Flags), custom for Web Experimentation

Pros

  • Industry pioneer with mature platform
  • Excellent server-side and feature flag capabilities
  • Strong statistical rigor (Stats Engine)
  • Good developer tools and SDKs
  • Part of a broader DXP ecosystem

Cons

  • Extremely expensive — enterprise pricing only for web experimentation
  • No self-serve pricing or free tier for A/B testing
  • Overly complex for simple A/B tests
  • Client-side snippet causes page flicker
  • Sales-driven process to get started

Feature-by-Feature Comparison

FeaturePageDuelOptimizely
A/B Testing
Multivariate Testing
Visual Editor
Server-Side Testing
Personalization
Built-in Analytics
AI-Powered
Free Plan
No-Code Setup
Flicker-Free
GDPR Compliant
Unlimited Tests

Pricing Comparison

PageDuel Pricing

From $9/mo

Hobby plan starts at $9/mo with 10k visitors/mo and 5 experiments. Starter at $19/mo for unlimited experiments. Pro at $49/mo includes AI variants and 250k visitors.

  • Hobby — $9/mo, 10k visitors/mo, 5 experiments
  • Starter — $19/mo, unlimited experiments
  • Pro — $49/mo, AI variants, 250k visitors
  • No annual contract required

Optimizely Pricing

From $79/mo (Feature Flags), custom for Web Experimentation

Web experimentation pricing is custom/enterprise only. Expect $36,000+/year for meaningful usage. Feature flags start at $79/mo.

About Optimizely

Optimizely is one of the oldest and most well-known A/B testing platforms. Now part of a broader digital experience platform (DXP), Optimizely targets enterprise customers with feature flagging, server-side experimentation, and content management. However, its pricing puts it out of reach for most small businesses and startups.

Best for: Large enterprises with big budgets and complex needs

Why Choose PageDuel over Optimizely?

Plans From $9/mo

Start testing today. 10k visitors/mo and 5 experiments on the Hobby plan. Unlimited experiments from $19/mo.

2-Minute Setup

Add one script tag and start testing. No complex SDK integration needed.

AI-Powered Variants

Let AI generate test variants for you. Save hours of design and copywriting work.

Flicker-Free Testing

Edge-based delivery means no page flicker. Your visitors never see the switch.

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From $9/mo · Set up in 2 minutes

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