vioscale
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 67/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Optimizely Web Experimentation full profile →VWO (Visual Website Optimizer) full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Optimizely Web Experimentation23
★VWO (Visual Website Optimizer)67
Score
Vioscale score
Optimizely Web Experimentation23 / 100low · 30%
VWO (Visual Website Optimizer)67 / 100medium · 54%
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 Experimentation11
VWO (Visual Website Optimizer)25
Security
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)✓
Reliability
Sla pct
Optimizely Web Experimentation99.9
VWO (Visual Website Optimizer)–
Market
Availability
Optimizely Web ExperimentationAvailable worldwide
VWO (Visual Website Optimizer)Available worldwide

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 digital experimentation platform enabling A/B testing, personalization, and feature rollouts with built-in AI assistance. Connects testing and analytics across customer touchpoints to measure business impact and validate changes before full release.

Independently observed

VWO (Visual Website Optimizer)

Leader

VWO provides A/B testing, multivariate testing, personalization, and feature flagging with a visual no-code editor and developer SDKs. It includes behavioral analytics tools like heatmaps, session recordings, funnels, and form analytics to identify conversion opportunities.

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)✓
iOS
Optimizely Web Experimentation✗
VWO (Visual Website Optimizer)✓
Android
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

11 total - 10 not shared
  • Amazon Web Services
  • Azure DevOps
  • Cloudflare
  • Configured Commerce
  • Epinova AI Assistant
  • iCore Flexible Cloud
  • Opal
  • SearchStax
  • WordPress
  • Adobe Experience Manager
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

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