Re-tested November 2026 · rated by Dana Okafor · 0 paid placements
The enterprise experimentation platform — feature flags to full-page tests under governance.
Experimentation as an engineering discipline at scale.
Enterprise product and growth orgs.
custom, enterprise
Enterprise cost; buying it without a testing culture is decoration.
Optimizely's overall 8.6/10 in CRO & A/B testing breaks down across the four Stackranked criteria as follows. Grades are the reviewer's qualitative assessment per criterion; the overall score is the weighted editorial rating.
| Criterion | Weight | Optimizely | Evidence from testing |
|---|---|---|---|
| Hands-on testing on real campaigns | 40% | strong | Experimentation as an engineering discipline at scale. |
| Real pricing at real usage volumes | 25% | fair | Priced at custom, enterprise (approximate, November 2026). No free tier changes the evaluation math — the trial period has to prove it. |
| Output quality vs. the category leader | 20% | strong | The enterprise experimentation platform — feature flags to full-page tests under governance. |
| Support, docs and speed of fixes | 15% | fair | Scored from real tickets, docs and response times during the CRO & A/B testing re-test. |
Optimizely ranks #2 of the 5 tools we recommend in CRO & A/B testing (November 2026 re-test). The full field:
| Rank | Tool | Score | Pricing (approx) |
|---|---|---|---|
| #1 | VWO | 8.7/10 | free starter tier, paid from ~$275/mo |
| #2 | Optimizely | 8.6/10 | custom, enterprise |
| #3 | AB Tasty | 8.4/10 | custom |
| #4 | Convert | 8.2/10 | from ~$299/mo |
| #5 | Intelligems | 8.1/10 | from ~$99/mo |
Optimizely holds #2 at 8.6/10 while VWO sits #1 at 8.7/10 in our CRO & A/B testing testing. The case for VWO: Full-stack experimentation — A/B, split URL, heatmaps and surveys — with stats you can defend. Its honest limit: Costs climb with traffic; the free tier is a taster, not a program.
Optimizely holds #2 at 8.6/10 while AB Tasty sits #3 at 8.4/10 in our CRO & A/B testing testing. The case for AB Tasty: Experimentation plus personalization with unusually good support in the mid-market fight. Its honest limit: Less engineering-native than Optimizely for product-side tests.
Optimizely holds #2 at 8.6/10 while Convert sits #4 at 8.2/10 in our CRO & A/B testing testing. The case for Convert: Privacy-first A/B testing that agencies quietly standardize on — fair pricing, no data games. Its honest limit: Fewer bells than the big suites — testing is all it does.
Optimizely holds #2 at 8.6/10 while Intelligems sits #5 at 8.1/10 in our CRO & A/B testing testing. The case for Intelligems: Price, shipping and offer testing for Shopify — the highest-leverage tests most stores never run. Its honest limit: Shopify-only and narrow by intent.
Optimizely is built for enterprise product and growth orgs. Its core strength: experimentation as an engineering discipline at scale. In practice that means web + feature experimentation, stats engine with sequential testing, and program management — the capabilities that earned its 8.6/10.
Optimizely's honest limit, printed in every review we publish: Enterprise cost; buying it without a testing culture is decoration. If that describes you, start with VWO or AB Tasty — the full field is in our CRO & A/B testing ranking.
Optimizely costs approximately custom, enterprise as of our November 2026 re-verification — pricing changes, so confirm on the vendor's site. Across the CRO & A/B testing top five, 1 of 5 tools offer a free tier or free product (VWO), and 2 of 5 hide pricing behind custom or enterprise quotes (Optimizely, AB Tasty).
| Tool | Pricing (approximate, November 2026) |
|---|---|
| VWO | free starter tier, paid from ~$275/mo |
| Optimizely | custom, enterprise |
| AB Tasty | custom |
| Convert | from ~$299/mo |
| Intelligems | from ~$99/mo |
Every tool in our CRO & A/B testing ranking ran the same category brief on live accounts, scored by Dana Okafor (analytics & CRO lead) under the Stackranked methodology: hands-on testing on real campaigns (40%), real pricing at real usage volumes (25%), output quality against the category leader (20%), and support, docs and speed of fixes (15%). Scores were last re-tested in November 2026; every movement is logged in the changelog. Positions cannot be bought — 0 paid placements.
| Criterion | Weight |
|---|---|
| Hands-on testing on real campaigns | 40% |
| Real pricing at real usage volumes | 25% |
| Output quality vs. the category leader | 20% |
| Support, docs and speed of fixes | 15% |
Category context: CRO and experimentation platforms run controlled tests — A/B, split URL, server-side, price and offer tests — and the research tooling around them (heatmaps, session replay, surveys). They turn site changes from opinions into measured decisions.
Optimizely scores 8.6/10 in Stackranked's CRO & A/B testing testing (November 2026) — worth it for enterprise product and growth orgs. The honest limit: Enterprise cost; buying it without a testing culture is decoration.
Approximately custom, enterprise (November 2026). Pricing changes — verify on the vendor's site.
Enterprise product and growth orgs. Core strength: experimentation as an engineering discipline at scale.
No. Optimizely had no free tier at our November 2026 re-test; pricing starts at approximately custom, enterprise.
In our CRO & A/B testing testing, Optimizely scores 8.6/10 vs VWO's 8.7/10. Optimizely wins for enterprise product and growth orgs; VWO wins when this fits: mid-market and up.
Enterprise cost; buying it without a testing culture is decoration.
November 2026, by Dana Okafor under the Stackranked methodology. Scores are re-tested quarterly and every movement is logged in the public changelog.