# Optimizely Web Experimentation vs VWO (Visual Website Optimizer)

**Leader by Vioscale score:** VWO (Visual Website Optimizer)

| Attribute | Optimizely Web Experimentation | VWO (Visual Website Optimizer) |
|---|---|---|
| **Vioscale score** | 23 (30% (low)) | 67.3 (54% (medium)) |
| deployment.options | `{"cloud":true,"on_prem":true,"self_hosted":true}` | `{"cloud":true}` |
| description.long | 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. | 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. |
| features.capabilities | - | `{"iso_27001":true,"open_source":true,"soc2_type_ii":true,"personalization":true,"mobile_sdk_support":true,"multi_armed_bandit":true,"multivariate_testing":true,"ab_and_split_url_testing":true,"feature_flagging_bundled":true,"multivariate_testing_mvt":true,"sequential_peeking_protection":true,"visual_drag_and_drop_dom_editor":true,"multi_page_funnel_journey_testing":true,"google_adobe_analytics_two_way_sync":true,"segment_mparticle_cdp_audience_sync":true,"server_side_api_experimentation_sdks":true,"bayesian_statistical_significance_engine":true}` |
| integrations.count | 11 | 25 |
| integrations.list | `[{"name":"Amazon S3"},{"name":"Amazon Web Services"},{"name":"Azure DevOps"},{"name":"Cloudflare"},{"name":"Configured Commerce"},{"name":"Epinova AI Assistant"},{"name":"iCore Flexible Cloud"},{"name":"Opal"},{"name":"SearchStax"},{"name":"WordPress"},{"name":"Adobe Experience Manager"}]` | `[{"name":"6sense"},{"name":"Adobe Analytics"},{"name":"Amazon S3"},{"name":"Contentsquare"},{"name":"Fullstory"},{"name":"Glassbox"},{"name":"Google Analytics 4"},{"name":"Google Cloud Storage"},{"name":"Google Tag Manager"},{"name":"Invoca"},{"name":"Matomo"},{"name":"Mixpanel"},{"name":"Piano Analytics"},{"name":"Rudderstack"},{"name":"Salesforce"},{"name":"Salesforce Commerce Cloud"},{"name":"Segment"},{"name":"Shopify"},{"name":"Snowflake"},{"name":"Acquia DAM"},{"name":"Adobe Experience Platform"},{"name":"Albacross"},{"name":"BigQuery"},{"name":"CallRail"},{"name":"Microsoft Clarity"},{"name":"Heap"},{"name":"Klaviyo"},{"name":"Lytics"},{"name":"Marketo"},{"name":"Quin"},{"name":"mParticle"}]` |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"ios":true,"web":true,"android":true}` |
| pricing | `{"type":"quote","summary":"Custom enterprise pricing. Contact sales for a tailored plan.","freeTier":false,"sourceUrl":"https://www.optimizely.com/plans","retrievedAt":"2026-08-20T12:46:34.622Z"}` | `{"freeTier":true,"sourceUrl":"https://vwo.com/pricing/","retrievedAt":"2026-08-18T15:28:22.174Z"}` |
| pricing.free_tier | no | yes |
| pricing.model | quote | freemium |
| pricing.price_level | unknown | low |
| pricing.transparent | no | - |
| reliability.sla_pct | 99.9 | - |
| security.disclosure_policy | - | yes |
| security.gdpr | yes | yes |
| security.hipaa | - | yes |
| security.iso27001 | - | yes |
| security.pci | - | yes |
| security.soc2 | - | yes |

## Capabilities (Conversion Rate Optimization)

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

*Source: Vioscale. Generated 2026-09-01T16:32:56.622Z. "-" = undocumented, not absent.*