Brandwave

How popular isPostHog?

In September 2026, people searched for PostHog by name about 247,000 times worldwide, a 123% increase from the previous year. These searches made up 40.6% of all global A/B testing platform searches, placing PostHog second out of eight platforms. When we asked both ChatGPT and Google AI Overviews about A/B testing platforms, PostHog appeared in four of the five answers and was the most recommended of the eight.

Search and AI answers in September 2026

PostHog is the second most searched of 8 competitors and the most recommended in AI answers.

  1. OptimizelyShare of searches 40.6%Mentioned in 4 of 5 AI answersPlace in AI recommendations 2nd
  2. PostHogShare of searches 40.6%Mentioned in 4 of 5 AI answersPlace in AI recommendations 1st
  3. LaunchDarklyShare of searches 6.7%Mentioned in 2 of 5 AI answersPlace in AI recommendations 7th
  4. VWOShare of searches 5.6%Mentioned in 4 of 5 AI answersPlace in AI recommendations 4th
  5. StatsigShare of searches 3%Mentioned in 3 of 5 AI answersPlace in AI recommendations 3rd

+3 more

PostHog website (opens in a new tab)

Follow PostHog and get free monthly updates on what changed

By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy

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

In three ChatGPT questions and two Google AI Overviews, PostHog was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. PostHog is the most recommended of the eight.

Most recommended by AI

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

  1. PostHog1st
  2. Optimizely2nd
  3. Statsig3rd
  4. VWO4th
  5. AB Tasty5th
  6. GrowthBook6th
  7. LaunchDarkly7th
  8. Convert Experiences8th

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
  • 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
  • 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.

Which A/B testing platforms compete with PostHog?

PostHog against A/B testing platforms worldwide, by month

Share of searches by month for Optimizely, PostHog, LaunchDarkly, VWO, Statsig, GrowthBook. The figures are in the table below the chart.

View monthly share of searches table
MonthOptimizelyPostHogLaunchDarklyVWOStatsigGrowthBookAB TastyConvert Experiences
Oct 202548.6%21.7%9.8%10.1%5.4%2.4%2%0.09%
Nov 202552.4%23.4%7%8.9%3.9%2.6%1.7%0.09%
Dec 202552.6%23.5%7.1%8.9%3.9%2.6%1.4%0.08%
Jan 202650.8%22.8%6.8%12.7%3.1%2.1%1.7%0.08%
Feb 202651.5%18.9%8.5%12.9%3.8%2.6%1.7%0.11%
Mar 202644.3%29.7%7.3%11.1%3.3%2.7%1.5%0.12%
Apr 202649.6%22.2%8.2%10.2%4.5%3.7%1.6%0.09%
May 202648.4%26.5%6.5%9.9%4.4%2.9%1.3%0.07%
Jun 202642.4%34.7%7%8.7%3.1%2.6%1.4%0.07%
Jul 202643.2%35.3%7.1%7.3%3.2%2.6%1.2%0.07%
Aug 202644.9%36.7%6%6.2%2.7%2.2%1.2%0.06%
Sep 202640.6%40.6%6.7%5.6%3%2.5%1.1%0.06%
  1. 1.Optimizely

    40.6%

    Held 1st. 246K estimated branded searches, 0% vs prior month. Share -4.3 points.

  2. 2.PostHog

    40.6%

    Held 2nd. 246K estimated branded searches, +22.4% vs prior month. Share +3.9 points.

  3. Moved from 4th to 3rd. 40.5K estimated branded searches, +22.4% vs prior month. Share +0.6 points.

  4. 4.VWO

    5.6%

    Moved from 3rd to 4th. 34.1K estimated branded searches, +0.53% vs prior month. Share -0.6 points.

  5. Held 5th. 18.1K estimated branded searches, +22.3% vs prior month. Share +0.3 points.

  6. Held 6th. 14.9K estimated branded searches, +21.8% vs prior month. Share +0.2 points.

  7. 7.AB Tasty

    1.1%

    Held 7th. 6.6K estimated branded searches, 0% vs prior month. Share -0.1 points.

  8. Held 8th. 340 estimated branded searches, 0% vs prior month. Share 0 points.

Compare popularity between PostHog and its closest rivals

Every comparison with PostHog

38 comparisons

How has branded search demand for PostHog changed worldwide over the last 12 months?

3 findings
  • Across the 12 months ending September 2026, estimated monthly branded searches for PostHog worldwide rose from 111K to 247K.
  • Across the 12 months ending September 2026, PostHog’s share of searches among A/B testing platforms worldwide increased from 21.7% to 40.6%.
  • Across the 12 months ending September 2026, PostHog’s share of searches among A/B testing platforms worldwide peaked at 40.6% in September 2026 and was lowest at 18.9% in February 2026.

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

6 changes
  1. In September 2026, LaunchDarkly overtook VWO to rank 3rd among A/B testing platforms worldwide, with 6.7% of the searches.

  2. In September 2026, PostHog gained share of searches among A/B testing platforms worldwide, from 36.7% to 40.6%.

  3. In September 2026, Optimizely lost share of searches among A/B testing platforms worldwide, from 44.9% to 40.6%.

  4. In September 2026, VWO lost share of searches among A/B testing platforms worldwide, from 6.2% to 5.6%.

  5. Estimated monthly branded searches for GrowthBook worldwide rose 22.3% over 12 measured months, from 12.2K to 14.9K in September 2026.

  6. Estimated monthly branded searches for AB Tasty worldwide fell 33.3% over 12 measured months, from 9.9K to 6.6K in September 2026.

How are PostHog’s branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using PostHog’s name. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brand is growing, holding steady, or fading.

  • posthog
  • posthog analytics

Do you work for PostHog? To request corrections or removal please contact us via our support page and we will be happy to assist.

How the Brand Demand Index is measured

Where does PostHog compete?

PostHog is ranked in ten competitor sets. Each share is worked out among that set's brands, so it differs from set to set.
Competitor setRankShare of searchesRanking
Website analytics platforms3rd of 76.7%Show ranking
Web analytics tools2nd of 117%Show ranking
A/B testing platforms2nd of 840.6%Shown above
Heatmap tools1st of 941.8%Show ranking
Session replay tools1st of 942.2%Show ranking
Feature flag tools2nd of 942.4%Show ranking
Product analytics platforms1st of 766.4%Show ranking
Customer analytics platforms1st of 671.2%Show ranking
Privacy analytics platforms1st of 680%Show ranking
Product LED growth platforms1st of 685.2%Show ranking
Creator with pink hair and a pink jacket

Is PostHog your brand?

Put your own campaigns, spend and outcomes next to this demand line, so you can see which of your marketing lined up with the movements above.