A/B test anything

One platform for A/B, multivariate, and feature tests across web and server side. Launch no-code experiments in minutes with a visual editor, and let AI suggest what to test next.

[Get started](/content/get-started/ "Get started"/index.html)

Results you can count on

446%
Platform ROI, Forrester validated

78%
Faster testing with agents

2m+
Experiments ran on Optimizely

Why agentic experimentation?

Launch in minutes

Build no-code experiments in a visual editor, or go server side when you need to. No engineering queue to wait on, and governance stays in place.

Test smarter

Run better experiments with multivariate tests, bandits, and AI that helps you reach statistical significance quickly.

Scale without compromise

Deliver fast, flicker-free experiences with the speed, control, and reliability your users expect.

See what it earned

Every experiment ties back to business outcomes with trusted analytics, so you can show what worked and decide faster.

Never stop learning

Run better experiments faster, with AI telling you exactly what to do next. We’re here to get you growing again.

For teams that refuse to guess

Test without limits

Run experiments wherever your customers are. Use a visual editor for fast web testing, or go deeper with server-side control.

For teams that want bold rollouts

Ship with certainty

Learn what works before you roll out. Run safer tests, validate faster, and release knowing you've got it right.

For teams that turn wins into momentum

Optimize what's on deck

AI that knows your whole program recommends what to test next. So you always know where to go after the last result.

Got gaps?

Virtual Teammates are on it.

The extra headcount your team needed, ready to work from day one. [Virtual Teammate](/content/solutions/virtual-teammates/ "Virtual Teammates"/index.html) are collaborative do-ers: they keep work moving, triage proactively, and know your brand from the start.

Marketing Analyst

Full view of conversion insights without the GA4 login. Ask it anything.

Personalization Strategist

Finds opportunities and stages personalization campaigns for you.

CRO Manager

Plans, runs, and reports on every experiment. All of it.

Chief of Staff

Keeps execs briefed, prioritized, and one step ahead.

A hit with the whole team

Break down silos between marketing, product, and engineering. Run experiments, ship features, and prove impact together.

[Get started](/content/get-started/ "Book a demo"/index.html)

Feedback Quotes

MARKETER

"When I talk about Optimizely's Agentic Experimentation to stakeholders, I can say it was instrumental in our A/B testing on subject lines and gave us really good customer insights."

Dave Ritchie
Head of Marketing Engagement

EXPERIMENTER

"As our tests became more complex and grounded in customer insights, results improved and the program transformed from basic testing into a strategic business capability."

Michael Richter
Manager of Conversion Optimization

TECHNICAL LEADER

"During the change of monarchy, we saw a sale every 10 seconds for three weeks — 50% conversion, tenfold increase in volumes, zero downtime."

The Royal Mint
Rich Hobbs

Get the whole crew together

Personalize every experience
Use behavioral data and experiment results to show the right experience to the right person, every time.
Explore Personalization

Prove what's working
Connect experimentation data across the full customer lifecycle to uncover insights, measure impact, and prove ROI.
Explore Analytics

Release on your terms
Roll out changes safely, test in production, and control releases in real time without disrupting users.
Explore Feature Management

Works with your existing stack

Connect every stage of experimentation, from testing and personalization to analytics and AI, to the apps you already use.