PostHog vs VWO:Which is more popular in New Zealand?
In October 2026, PostHog had more branded searches than VWO among A/B testing tools in New Zealand. PostHog had about 880 branded searches, while VWO had 10. PostHog made up 57.5% of all A/B testing tool searches we track, and VWO accounted for 0.65%. When we asked ChatGPT and Google AI Overviews about A/B testing tools, VWO appeared in all five answers and PostHog in four. VWO was mentioned before PostHog in three out of five answers.
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Top A/B testing tools in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, VWO appeared in all five answers. PostHog was mentioned in four out of five: in two of the three ChatGPT answers and in both Google AI Overviews. VWO was listed before PostHog in three out of five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
VWO1st
PostHog2nd
Optimizely3rd
GrowthBook4th
Convert Experiences5th
AB Tasty6th
Statsig7th
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Optimizely5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- GrowthBook5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- VWO5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- PostHog4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- AB Tasty4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Convert Experiences3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Statsig2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
See every answer about A/B testing tools
5 answers
Asked ChatGPT
“Which A/B testing tool should I use in New Zealand?”
Asked ChatGPT
“What are the best A/B testing tools in New Zealand?”
Asked ChatGPT
“What's the best A/B testing tool in New Zealand for website conversion testing?”
Searched Google, AI Overview
“a/b testing tools”
Searched Google, AI Overview
“best ab testing tool”
Brands are shown in the order each answer named them. The survey took place in New Zealand on October 20, 2026.
Is PostHog or VWO more popular in search?
This chart shows how often people search Google for PostHog and VWO by name. Each line represents a brand's share of searches for all seven A/B testing tools we track, month by month, from searches in New Zealand.
Share of searches by month for PostHog, VWO. The figures are in the table below the chart.
View monthly share of searches table
| Month | PostHog | Optimizely | GrowthBook | Statsig | AB Tasty | Convert Experiences | VWO |
|---|---|---|---|---|---|---|---|
| Nov 2025 | 37.9% | 47.6% | 4.9% | 5.8% | 0.97% | 1.9% | 0.97% |
| Dec 2025 | 41.5% | 42.6% | 5.3% | 7.4% | 1.1% | 1.1% | 1.1% |
| Jan 2026 | 41.4% | 41.4% | 7.8% | 5.2% | 2.6% | 0.86% | 0.86% |
| Feb 2026 | 35.5% | 43.6% | 6.4% | 9.1% | 1.8% | 1.8% | 1.8% |
| Mar 2026 | 41.3% | 42.7% | 4.9% | 8.4% | 1.4% | 0.7% | 0.7% |
| Apr 2026 | 34.2% | 43% | 7.9% | 7.9% | 3.5% | 1.8% | 1.8% |
| May 2026 | 36.6% | 46.6% | 6.9% | 6.9% | 1.5% | 0.76% | 0.76% |
| Jun 2026 | 51.8% | 36.5% | 5.3% | 4.1% | 0.59% | 1.2% | 0.59% |
| Jul 2026 | 49.7% | 35.2% | 7.6% | 3.4% | 1.4% | 1.4% | 1.4% |
| Aug 2026 | 47.7% | 41.1% | 6% | 2.6% | 1.3% | 0.66% | 0.66% |
| Sep 2026 | 48% | 41.3% | 4.7% | 3.3% | 1.3% | 0.67% | 0.67% |
| Oct 2026 | 57.5% | 32% | 3.3% | 3.3% | 2% | 1.3% | 0.65% |
How has branded search for PostHog and VWO changed in New Zealand over the last 12 months?
3 findings
- PostHog was ahead of VWO in every measured month of the 12 months ending October 2026.
- Across the 12 months ending October 2026, PostHog’s share of searches among A/B testing tools in New Zealand moved from 37.9% to 57.5%, and its estimated monthly branded searches moved from 390 to 880.
- Across the 12 months ending October 2026, VWO’s share of searches among A/B testing tools in New Zealand moved from 0.97% to 0.65%, and its estimated monthly branded searches held steady at 10.
How did search popularity change for New Zealand A/B testing tools in October 2026?
1 change
In October 2026, PostHog gained share of searches among A/B testing tools in New Zealand, from 48% to 57.5%.
How are PostHog’s and VWO’s branded searches counted?
3 search terms
Brandwave collects information about searches that people make online using PostHog’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.
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