GrowthBook vs Optimizely:Which is searched more?
In September 2026, Optimizely had more branded searches than GrowthBook among feature flag tools worldwide. Optimizely had about 246,000 branded searches, while GrowthBook had 14,900. Optimizely made up 42.4% of all feature flag tool searches we track, and GrowthBook accounted for 2.6%. These are worldwide searches for English-language branded terms.
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Is GrowthBook or Optimizely more popular in search?
Compare the feature flag tools people choose between. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.
Share of searches by month for Optimizely, GrowthBook. The figures are in the table below the chart.
View monthly share of searches table
| Month | Optimizely | PostHog | LaunchDarkly | Statsig | GrowthBook | Flagsmith | ConfigCat | Split | Unleash |
|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 53.4% | 23.9% | 11% | 5.9% | 2.6% | 0.97% | 0.79% | 0.82% | 0.5% |
| Nov 2025 | 56.6% | 25.3% | 7.9% | 4.2% | 2.8% | 1% | 0.84% | 0.75% | 0.51% |
| Dec 2025 | 56.8% | 25.4% | 7.9% | 4.2% | 2.8% | 1% | 0.68% | 0.64% | 0.5% |
| Jan 2026 | 57.7% | 25.9% | 8% | 3.5% | 2.3% | 0.86% | 0.7% | 0.65% | 0.42% |
| Feb 2026 | 58.2% | 21.4% | 10.1% | 4.3% | 2.9% | 1.1% | 0.86% | 0.66% | 0.52% |
| Mar 2026 | 49% | 32.8% | 8.5% | 3.7% | 3% | 1.1% | 0.73% | 0.72% | 0.55% |
| Apr 2026 | 54.3% | 24.3% | 9.4% | 5% | 4% | 0.99% | 0.8% | 0.64% | 0.48% |
| May 2026 | 52.6% | 28.9% | 7.8% | 4.8% | 3.2% | 0.96% | 0.63% | 0.6% | 0.47% |
| Jun 2026 | 45.6% | 37.3% | 8.3% | 3.4% | 2.8% | 1% | 0.68% | 0.51% | 0.41% |
| Jul 2026 | 45.7% | 37.3% | 8.4% | 3.4% | 2.8% | 0.85% | 0.68% | 0.44% | 0.41% |
| Aug 2026 | 47.1% | 38.5% | 6.8% | 2.9% | 2.3% | 0.86% | 0.7% | 0.47% | 0.41% |
| Sep 2026 | 42.4% | 42.4% | 7.3% | 3.2% | 2.6% | 0.78% | 0.62% | 0.5% | 0.32% |
How has the GrowthBook and Optimizely comparison changed over the last 12 months?
3 findings
- Optimizely was ahead of GrowthBook in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, GrowthBook’s share of searches among feature flag tools worldwide held steady at 2.6%, and its estimated monthly branded searches moved from 12.2K to 14.9K.
- Across the 12 months ending September 2026, Optimizely’s share of searches among feature flag tools worldwide moved from 53.4% to 42.4%, and its estimated monthly branded searches held steady at 246K.
How did search popularity change for feature flag tools worldwide in September 2026?
2 changes
In September 2026, Optimizely lost share of searches among feature flag tools worldwide, from 47.1% to 42.4%.
Estimated monthly branded searches for GrowthBook worldwide rose 22.3% over 12 measured months, from 12.2K to 14.9K in September 2026.
How are branded searches counted?
4 search terms
Brandwave collects information about searches that people make online using GrowthBook’s and Optimizely’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
GrowthBook
3 branded search terms
- growth book
- growthbook
- growthbook feature flags
Optimizely
1 branded search term
- optimizely
Other head-to-heads among feature flag tools
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