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Builder for personalization and experimentation

Run more experiments, learn faster

Run A/B tests and personalize content by audience on the site you already run.

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Move audience hypotheses into tests

Build the test and its variants in Builder, so audience hypotheses move out of the backlog.

Agent building a feature in an existing codebase
Team collaborating on a feature branch preview

Act on the data you already have

Engineering wires your CDP in once, so the segments you maintain become audiences you can target.

Learn what works for each audience

Track conversions by variant as the test gathers data, then use the evidence to decide what rolls out.

Pull request review and approval workflow

Marketers, designers, and engineers

The program moves when each team owns its part

Keep every variant on brand

Review each test variant and personalized experience so every version stays on brand before it goes live.

Designer reviewing a personalized experience variant

Personalize and test with the stack behind your site

Use your framework

Deliver personalized content and test variants into sites on React, Next.js, Vue, Svelte, or Angular with Builder SDKs.

Connect content and commerce

Connect your CDP, analytics, commerce, and the audience signals your targeting and tests depend on.

Keep your publishing workflow

Move tests and personalized content through roles, approvals, environments, and audit trails before launch.

Extend with MCP connectors

Use the Builder CMS MCP server, webhooks, and APIs to connect testing and personalization to internal tools and AI agents.

Enterprise-ready

Security your IT team
can sign off on

Builder is built for engineering teams that need AI-assisted development and publishing workflows without giving up security, governance, or production control.

Enterprise security badges
No training on your dataThird-party LLMs never train on your data. On Enterprise plans, Builder doesn't either.
Private connectivityEnterprise plans can connect Builder to internal systems and APIs.
Access controls and governanceSSO, roles, and permissions control who can create, edit, approve, and publish.
SOC 2 Type IICompliant and audited, with enterprise rollout support when you need it.

Customer stories

Designs that shipped as designed

“Builder hits this nice middle ground… it’s structured enough for developers to stay in control, but flexible enough to let other teams move fast without creating chaos.”

Tom WolfStaff Engineer at LegalZoom
LegalZoom

“A page that took three engineers a month to build can now be created in a couple of days.

Gregory QuickStaff Engineer at Storyblocks
Storyblocks

“Builder makes everyone’s lives easier, it makes it easier for us to maintain, and it makes it easier for the brand teams to maintain.”

Tyler HozieDirector of Technology at Anheuser-Busch
Anheuser-Busch

FAQs

Get answers to common questions

Yes, after a one-time setup. Once developers connect your CDP signals and attributes, your team can set up tests and audience rules in Builder. A/B testing and advanced targeting are available on eligible plans.

No. Builder is the content and experience layer that acts on the audiences your CDP already defines. Your CDP still owns identity and segmentation.

Yes. Builder’s AI helps generate content and test variants. Your team still sets up the test and audience rules in Builder.

Once conversion tracking is connected, Builder tracks conversions by variant and shows statistical significance as the test gathers data. Treat Builder reporting as directional, then confirm results against your system of record.

Yes, on eligible plans. Target by audience attributes from your CDP, then localize content across markets and languages.

No. Builder serves the control variant to search engines and delivers variants without flashing the wrong content first.

Builder runs tests and personalization on the content your team already creates, on top of your existing CDP and publishing workflow.

Ship the storefront update
before the sale starts

Use the catalog you already trust, route the work through approval, and publish the update on schedule.