Comparison

Optimizely Web Experimentation vs VWO (Visual Website Optimizer)

On the evidence we track, VWO (Visual Website Optimizer) leads this comparison with a composite score of 64/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Optimizely Web Experimentation37
★VWO (Visual Website Optimizer)64
Score
vioscaleAI score
Optimizely Web Experimentation37 / 100low · 39%
VWO (Visual Website Optimizer)64 / 100medium · 51%
Pricing
Free tier
Optimizely Web Experimentation✗
VWO (Visual Website Optimizer)✓
Model
Optimizely Web Experimentationquote
VWO (Visual Website Optimizer)freemium
Price level
Optimizely Web Experimentationunknown
VWO (Visual Website Optimizer)low
Transparent
Optimizely Web Experimentation✗
VWO (Visual Website Optimizer)–
Integrations
Count
Optimizely Web Experimentation6
VWO (Visual Website Optimizer)23
Security
Certifications
Optimizely Web Experimentation–
Disclosure policy
Optimizely Web Experimentation–
VWO (Visual Website Optimizer)✓
Gdpr
Optimizely Web Experimentation✓
VWO (Visual Website Optimizer)✓
Hipaa
Optimizely Web Experimentation–
VWO (Visual Website Optimizer)✓
Iso27001
Optimizely Web Experimentation–
VWO (Visual Website Optimizer)✓
Pci
Optimizely Web Experimentation–
VWO (Visual Website Optimizer)✓
Soc2
Optimizely Web Experimentation–
VWO (Visual Website Optimizer)✓
Trust center
Optimizely Web Experimentation–
VWO (Visual Website Optimizer)https://trust.wingify.com/
Reliability
Sla pct
Optimizely Web Experimentation99.9
VWO (Visual Website Optimizer)–
Market
Availability
Optimizely Web ExperimentationAvailable worldwide
VWO (Visual Website Optimizer)Available worldwide
Content
Faq
Optimizely Web Experimentation6 items
VWO (Visual Website Optimizer)6 items

Capabilities

Feature-by-feature on the axes that matter for conversion rate optimization. “-” means undocumented, not absent.

Capabilities
Ab and split URL testing
Optimizely Web Experimentation✓
VWO (Visual Website Optimizer)✓
Multivariate testing mvt
Optimizely Web Experimentation✓
VWO (Visual Website Optimizer)✓
Server side API experimentation sdks
Optimizely Web Experimentation✓
VWO (Visual Website Optimizer)✓
Visual drag and drop dom editor
Optimizely Web Experimentation✓
VWO (Visual Website Optimizer)✓
Bayesian statistical significance engine
Optimizely Web Experimentation-
VWO (Visual Website Optimizer)✓
Frequentist statistical significance engine
Optimizely Web Experimentation-
VWO (Visual Website Optimizer)-
Multi page funnel journey testing
Optimizely Web Experimentation-
VWO (Visual Website Optimizer)✓
Google adobe analytics two way sync
Optimizely Web Experimentation-
VWO (Visual Website Optimizer)✓
Segment mparticle cdp audience sync
Optimizely Web Experimentation-
VWO (Visual Website Optimizer)✓
SOC2 type ii
Optimizely Web Experimentation-
VWO (Visual Website Optimizer)✓
ISO 27001
Optimizely Web Experimentation-
VWO (Visual Website Optimizer)✓
Pricing model
Optimizely Web Experimentation-
VWO (Visual Website Optimizer)-

What each one is

The product in its own terms, so the numbers below have context.

Optimizely Web Experimentation

A tool for running A/B and multivariate tests across web and server-side environments, with built-in AI to suggest tests and validate results faster.

Independently observed

VWO (Visual Website Optimizer)

Leader

A unified platform combining A/B testing, multivariate testing, personalization, feature management, and behavioral analytics. It enables teams to run experiments, manage feature rollouts, and deliver personalized experiences across web and server-side environments.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Optimizely Web Experimentation

Quote-based

Custom enterprise pricing. Contact sales for a tailored plan.

as of verify ↗

VWO (Visual Website Optimizer)

Leader
Free tier
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Optimizely Web Experimentation✓
VWO (Visual Website Optimizer)✓
Deployment
Cloud / SaaS
Optimizely Web Experimentation✓
VWO (Visual Website Optimizer)✓
Self-hosted
Optimizely Web Experimentation✓
VWO (Visual Website Optimizer)✗
On-premise
Optimizely Web Experimentation✓
VWO (Visual Website Optimizer)✗

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (1)
  • Amazon S3

Optimizely Web Experimentation

13 total - 12 not shared
  • Amazon Web Services
  • Azure DevOps
  • Cloudflare
  • Configured Commerce
  • Epinova AI Assistant
  • iCore Flexible Cloud
  • Opal
  • SearchStax
  • WordPress
  • Adobe Experience Manager
  • Slack
  • Imageshop
Independently observed

VWO (Visual Website Optimizer)

Leader
31 total - 30 not shared
  • 6sense
  • Adobe Analytics
  • Contentsquare
  • Fullstory
  • Glassbox
  • Google Analytics 4
  • Google Cloud Storage
  • Google Tag Manager
  • Invoca
  • Matomo
  • Mixpanel
  • Piano Analytics
  • Rudderstack
  • Salesforce
  • Salesforce Commerce Cloud
  • Segment
  • Shopify
  • Snowflake
  • Acquia DAM
  • Adobe Experience Platform
  • Albacross
  • BigQuery
  • CallRail
  • Microsoft Clarity
  • +6 more
Independently observed
Still deciding?

Optimizely Web Experimentation or VWO (Visual Website Optimizer): which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.