Optimizely vs VWO:Which is more popular?
In September 2026, Optimizely had more branded searches than VWO among experimentation platforms worldwide. Optimizely had about 246,000 branded searches, while VWO had 34,100. Optimizely made up 62% of all experimentation platform searches we track, and VWO accounted for 8.6%. When we asked ChatGPT and Google AI Overviews about experimentation platforms, Optimizely and VWO each appeared in three of the five answers. Optimizely was mentioned before VWO in two out of three answers.
Who do people search for more?
Optimizely, about 7 searches for every 1 for VWO
Who does AI mention more?
Both were mentioned in 3 of 5 answers.
Who does AI recommend more?
Optimizely, named ahead of VWO in 2 of 3 answers
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Top experimentation platforms in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Optimizely and VWO were each mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Optimizely was listed before VWO in two out of three answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
GrowthBook1st
Statsig2nd
Eppo3rd
Optimizely4th
VWO5th
LaunchDarkly6th
Split7th
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Statsig5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
GrowthBook4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Optimizely3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
LaunchDarkly3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
VWO3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Eppo2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Split1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
See every answer about experimentation platforms
5 answers
Asked ChatGPT
“Which experimentation platform should I use?”
Asked ChatGPT
“What are the best experimentation platforms?”
Asked ChatGPT
“What's the best experimentation platform for product teams?”
Searched Google, AI Overview
“experimentation platform”
Searched Google, AI Overview
“ab testing software”
Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.
Is Optimizely or VWO more popular in search?
This chart shows how often people search Google for Optimizely and VWO by name. Each line represents a brand's share of searches for all seven experimentation platforms we track, month by month, from English-language searches worldwide.
Share of searches by month for Optimizely, VWO. The figures are in the table below the chart.
View monthly share of searches table
| Month | Optimizely | Eppo | LaunchDarkly | VWO | Statsig | GrowthBook | Split |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 57.2% | 9.4% | 11.5% | 11.8% | 6.3% | 2.8% | 0.87% |
| Nov 2025 | 62.3% | 10.3% | 8.4% | 10.6% | 4.6% | 3.1% | 0.83% |
| Dec 2025 | 62.4% | 10.3% | 8.4% | 10.5% | 4.6% | 3.1% | 0.71% |
| Jan 2026 | 61.3% | 8.2% | 8.2% | 15.3% | 3.7% | 2.5% | 0.69% |
| Feb 2026 | 58.3% | 9.6% | 9.6% | 14.6% | 4.3% | 2.9% | 0.66% |
| Mar 2026 | 57.8% | 9.5% | 9.5% | 14.5% | 4.3% | 3.5% | 0.85% |
| Apr 2026 | 57.2% | 11.5% | 9.4% | 11.8% | 5.2% | 4.2% | 0.67% |
| May 2026 | 58.7% | 11.8% | 7.9% | 12% | 5.3% | 3.6% | 0.67% |
| Jun 2026 | 59.5% | 9.8% | 9.8% | 12.2% | 4.4% | 3.6% | 0.66% |
| Jul 2026 | 60.9% | 10% | 10% | 10.3% | 4.5% | 3.7% | 0.58% |
| Aug 2026 | 64.2% | 10.6% | 8.6% | 8.9% | 3.9% | 3.2% | 0.64% |
| Sep 2026 | 62% | 10.2% | 10.2% | 8.6% | 4.6% | 3.8% | 0.74% |
How has the Optimizely and VWO comparison changed over the last 12 months?
3 findings
- Optimizely was ahead of VWO in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Optimizely’s share of searches among experimentation platforms worldwide moved from 57.2% to 62%, and its estimated monthly branded searches held steady at 246K.
- Across the 12 months ending September 2026, VWO’s share of searches among experimentation platforms worldwide moved from 11.8% to 8.6%, and its estimated monthly branded searches moved from 50.9K to 34.1K.
How did search popularity change for experimentation platforms worldwide in September 2026?
3 changes

In September 2026, LaunchDarkly overtook VWO to rank 3rd among experimentation platforms worldwide, with 10.2% of the searches.

In September 2026, Optimizely lost share of searches among experimentation platforms worldwide, from 64.2% to 62%.

VWO’s share of searches among experimentation platforms worldwide has lost ground for 3 months in a row, from 12.2% to 8.6% in September 2026.
How are branded searches counted?
4 search terms
Brandwave collects information about searches that people make online using Optimizely’s and VWO’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.
Optimizely
1 branded search term
- optimizely
VWO
3 branded search terms
- vwo
- vwo ab testing
- vwo testing
Other head-to-heads among experimentation platforms

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