Brandwave

Eppo vs Optimizely:Which is more popular?

In September 2026, Optimizely had more branded searches than Eppo among A/B testing platforms worldwide. Optimizely had about 246,000 branded searches, while Eppo had 40,500. Optimizely made up 37.8% of all A/B testing platform searches we track, and Eppo accounted for 6.2%. When we asked ChatGPT and Google AI Overviews about A/B testing platforms, Optimizely appeared in four of the five answers and Eppo in two. Optimizely was mentioned before Eppo in every answer.

Among A/B testing platforms worldwide in September 2026

Who do people search for more?

Optimizely, about 6 searches for every 1 for Eppo

Optimizely 246K searchesEppo 40.5K searches

Who does AI mention more?

Optimizely, mentioned in 4 of 5 answers, Eppo in 2

Optimizely in 4 of 5Eppo in 2 of 5

Who does AI recommend more?

Optimizely, named ahead of Eppo in every answer

Optimizely first in 4Eppo never first

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Top A/B testing platforms in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Optimizely was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Eppo was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. Optimizely was listed before Eppo in every answer.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. PostHog1st
  2. Statsig2nd
  3. Optimizely3rd
  4. VWO4th
  5. GrowthBook5th
  6. AB Tasty6th
  7. LaunchDarkly7th
  8. Eppo8th
  9. Convert Experiences9th
  10. Split10th

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Optimizely4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • PostHog4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • VWO4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Statsig3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • GrowthBook3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Eppo2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • LaunchDarkly2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • AB Tasty2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Split1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Convert Experiences1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about A/B testing platforms

5 answers

Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.

Is Eppo or Optimizely more popular in search?

This chart shows how often people search Google for Eppo and Optimizely by name. Each line represents a brand's share of searches for all ten A/B testing platforms we track, month by month, from English-language searches worldwide.

Eppo and Optimizely among A/B testing platforms worldwide, by month

Share of searches by month for Optimizely, Eppo. The figures are in the table below the chart.

View monthly share of searches table
MonthOptimizelyPostHogEppoLaunchDarklyVWOStatsigGrowthBookAB TastySplitConvert Experiences
Oct 202544.7%20%7.4%9%9.2%4.9%2.2%1.8%0.68%0.09%
Nov 202547.9%21.4%7.9%6.4%8.1%3.5%2.4%1.6%0.64%0.08%
Dec 202548.1%21.5%7.9%6.5%8.1%3.5%2.4%1.3%0.54%0.07%
Jan 202647.3%21.2%6.4%6.4%11.8%2.8%1.9%1.6%0.53%0.07%
Feb 202647.2%17.4%7.8%7.8%11.8%3.5%2.3%1.6%0.53%0.1%
Mar 202641.1%27.5%6.8%6.8%10.3%3%2.5%1.4%0.6%0.11%
Apr 202644.8%20%9%7.4%9.3%4%3.3%1.5%0.53%0.09%
May 202643.9%24.1%8.8%5.9%9%4%2.7%1.2%0.5%0.07%
Jun 202639.5%32.3%6.5%6.5%8.1%2.9%2.4%1.3%0.44%0.07%
Jul 202640.2%32.9%6.6%6.6%6.8%3%2.4%1.1%0.39%0.07%
Aug 202641.6%34%6.9%5.6%5.7%2.5%2.1%1.1%0.41%0.06%
Sep 202637.8%37.8%6.2%6.2%5.2%2.8%2.3%1%0.45%0.05%

How has the Eppo and Optimizely comparison changed over the last 12 months?

3 findings
  • Optimizely was ahead of Eppo in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, Eppo’s share of searches among A/B testing platforms worldwide moved from 7.4% to 6.2%, and its estimated monthly branded searches held steady at 40.5K.
  • Across the 12 months ending September 2026, Optimizely’s share of searches among A/B testing platforms worldwide moved from 44.7% to 37.8%, and its estimated monthly branded searches held steady at 246K.

How did search popularity change for A/B testing platforms worldwide in September 2026?

2 changes

  1. In September 2026, Optimizely lost share of searches among A/B testing platforms worldwide, from 41.6% to 37.8%.

  2. In September 2026, Eppo lost share of searches among A/B testing platforms worldwide, from 6.9% to 6.2%.

How are branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using Eppo’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.

Eppo

1 branded search term

  • eppo

Optimizely

1 branded search term

  • optimizely

How the Brand Demand Index is measured

Other head-to-heads among A/B testing platforms

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