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Head-to-head · AB Testing

Optimizely Feature Experimentation vs Optimizely Web Experimentation

Updated Oct 2026
Both researched from official sources
4 checks side by side

Higher score Optimizely Feature Experimentation #1 in AB Testing 9.3/10 Free plan · pricing on request Free plan✓ 0 of 3 features Visit Optimizely

Optimizely Web Experimentation #2 in AB Testing 9.1/10 Pricing on request ✓ 2 of 3 features Visit Optimizely

Optimizely Feature Experimentation leads on 0 checks, Optimizely Web Experimentation on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

Highest scoreOptimizely Feature Experimentation · 9.3/10
Free planonly Optimizely Feature Experimentation
Most featuresOptimizely Web Experimentation · 2 of 3

Optimizely Feature Experimentation scores higher on our rubric for ab testing: 9.3 against 9.1 out of 10; our editors rank them #1 and #2.

Optimizely Feature Experimentation is the better fit for teams prioritizing feature and rollout experiments. Optimizely Web Experimentation is the better fit for established teams focused on web experiments.

Optimizely Feature Experimentation fits best
Teams prioritizing feature and rollout experiments
Optimizely Web Experimentation fits best
Established teams focused on web experiments

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Side by side

Show only differences

Feature	Optimizely Feature Experimentation 9.3/10 Visit ↗	Optimizely Web Experimentation 9.1/10 Visit ↗
At a glance
Editor score	9.3	9.1
Ranking	#1 in AB Testing	#2 in AB Testing
Best for	Teams prioritizing feature and rollout experiments	Established teams focused on web experiments
Pricing model	Free plan + paid	Paid
Starting price	—	Pricing on request
Free plan	✓ (best)	Not checked yet
Free trial	—	—
Deployment	Cloud, Mobile, Browser extension	Cloud
Platforms	Web, iOS, Android	Web
Support	Tickets, Community, Docs	Docs
Built for	Small business, Mid-market, Enterprise	Mid-market, Enterprise
Features Optimizely Feature Experimentation 0/3 · Optimizely Web Experimentation 2/3
Client-side tests	Not checked yet	✓ (best)
Server-side tests	Not checked yet	—
Visual editor	Not checked yet	✓ (best)
Specs
Testing methods	Not checked yet	Not checked yet
Monthly tested users	Not checked yet	Not checked yet
Analytics integrations	Not checked yet	Not checked yet
Our review
Pros	Feature flags, targeted deliveries, A/B tests, and bandit optimization Supports web, iOS, Android, backend services, and API environments Local SDK decisioning, progressive rollouts, rollback, and mutual exclusion	Supports A/B, multivariate, and split-URL experiments Visual editor plus audience targeting and segmentation Includes experiment management and statistical results analysis
Cons	Rollouts allows one experiment at a time Paid plans require a sales discussion Narrower than full web-testing suites	Web-only platform for digital experience experiments Client-side testing focus; server-side testing is not included Pricing requires contacting Optimizely's sales team
Our verdict	Optimizely Feature Experimentation is a developer-focused experimentation and feature management platform for product, engineering, and analytics teams. It combines feature flags, remote configuration, audience targeting, A/B testing,… Read the review →	Optimizely Web Experimentation is a hosted platform for marketing, product, and growth teams that need controlled experiments on websites and other digital experiences. It combines A/B testing, multivariate testing, and split-URL… Read the review →

Optimizely Feature ExperimentationAB Testing 9.3Free plan · pricing on request
Optimizely Web ExperimentationAB Testing 9.1Pricing on request

Compare the top tools in

Strengths and trade-offs

Optimizely Feature Experimentation — where it wins
- Feature flags, targeted deliveries, A/B tests, and bandit optimization
- Supports web, iOS, Android, backend services, and API environments
- Local SDK decisioning, progressive rollouts, rollback, and mutual exclusion
Where it doesn't
- Rollouts allows one experiment at a time
- Paid plans require a sales discussion
- Narrower than full web-testing suites
Optimizely Web Experimentation — where it wins
- Supports A/B, multivariate, and split-URL experiments
- Visual editor plus audience targeting and segmentation
- Includes experiment management and statistical results analysis
Where it doesn't
- Web-only platform for digital experience experiments
- Client-side testing focus; server-side testing is not included
- Pricing requires contacting Optimizely's sales team

Optimizely Feature Experimentation9.3/10 · Free plan · pricing on request
A developer-focused platform for feature experiments, targeting, flags, and progressive releases.
Visit Optimizely Full verdict →
Optimizely Web Experimentation9.1/10 · Pricing on request
A focused web testing suite for established teams running targeted experiments.
Visit Optimizely Full verdict →

More comparisons

All AB testing comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated 7 Oct 2026 · How we research and update