Microsoft Clarity vs PostHog:Which is more popular?
In September 2026, PostHog had more branded searches than Microsoft Clarity among heatmap tools worldwide. PostHog had about 246,000 branded searches, while Microsoft Clarity had 165,000. PostHog made up 41.8% of all heatmap tool searches we track, and Microsoft Clarity accounted for 28.1%. When we asked ChatGPT and Google AI Overviews about heatmap tools, Microsoft Clarity appeared in all five answers and PostHog in two. Microsoft Clarity was mentioned before PostHog in every answer.
Who do people search for more?
PostHog, about 49% more searches than Microsoft Clarity
Who does AI mention more?
Microsoft Clarity, mentioned in every answer we collected
Who does AI recommend more?
Microsoft Clarity, named ahead of PostHog in every answer
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Top heatmap tools in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Microsoft Clarity appeared in all five answers. PostHog was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. Microsoft Clarity was listed before PostHog in every answer.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
- Microsoft Clarity1st
Hotjar2nd
Mouseflow3rd
Crazy Egg4th- Contentsquare5th
Fullstory6th
Lucky Orange7th- PostHog8th
Smartlook–
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Microsoft Clarity5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Hotjar5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Crazy Egg4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Mouseflow4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- PostHog2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Contentsquare2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Fullstory2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Lucky Orange1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Smartlook0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about heatmap tools
5 answers
Asked ChatGPT
“Which heatmap tool should I use?”
Asked ChatGPT
“What are the best heatmap tools?”
Asked ChatGPT
“What's the best heatmap tool for a website?”
Searched Google, AI Overview
“heatmap tools”
Searched Google, AI Overview
“website heatmap software”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.
Is Microsoft Clarity or PostHog more popular in search?
This chart shows how often people search Google for Microsoft Clarity and PostHog by name. Each line represents a brand's share of searches for all nine heatmap tools we track, month by month, from English-language searches worldwide.
Share of searches by month for PostHog, Microsoft Clarity. The figures are in the table below the chart.
View monthly share of searches table
| Month | PostHog | Microsoft Clarity | Hotjar | Contentsquare | Smartlook | Fullstory | Crazy Egg | Lucky Orange | Mouseflow |
|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 24.6% | 24.8% | 30.9% | 5% | 4.1% | 4.1% | 3.3% | 1.5% | 1.8% |
| Nov 2025 | 26.6% | 26.7% | 27.3% | 4.4% | 4.4% | 3.6% | 3.6% | 1.6% | 2% |
| Dec 2025 | 28.7% | 28.8% | 24.4% | 3.9% | 4.7% | 3.2% | 3.2% | 1.4% | 1.7% |
| Jan 2026 | 29.2% | 29.4% | 24.6% | 4.8% | 3.9% | 2.6% | 2.6% | 1.4% | 1.4% |
| Feb 2026 | 23.8% | 35.7% | 20.6% | 5.8% | 4.8% | 2.7% | 3.2% | 1.8% | 1.7% |
| Mar 2026 | 37.1% | 30.8% | 14.6% | 5% | 4.1% | 2.3% | 2.7% | 1.5% | 1.8% |
| Apr 2026 | 28.3% | 35% | 17% | 5.7% | 4.7% | 3.2% | 3.1% | 1.4% | 1.7% |
| May 2026 | 32.1% | 39.7% | 13.4% | 4.3% | 3.5% | 2% | 2.4% | 1.3% | 1.3% |
| Jun 2026 | 39.1% | 32.3% | 15.5% | 3.5% | 2.9% | 2.9% | 1.9% | 0.87% | 1.1% |
| Jul 2026 | 41.8% | 34.7% | 10.9% | 3.8% | 3.1% | 2.1% | 1.7% | 0.76% | 1.1% |
| Aug 2026 | 41.7% | 34.4% | 10.9% | 3.1% | 3.1% | 3.1% | 1.7% | 0.93% | 1.1% |
| Sep 2026 | 41.8% | 28.1% | 19.6% | 3.1% | 2.5% | 1.7% | 1.7% | 0.77% | 0.75% |
How has the Microsoft Clarity and PostHog comparison changed over the last 12 months?
3 findings
- The lead changed hands 3 times in the 12 months ending September 2026: PostHog took it in March 2026, Microsoft Clarity took it in April 2026, PostHog took it in June 2026.
- Across the 12 months ending September 2026, Microsoft Clarity’s share of searches among heatmap tools worldwide moved from 24.8% to 28.1%, and its estimated monthly branded searches moved from 111K to 165K.
- Across the 12 months ending September 2026, PostHog’s share of searches among heatmap tools worldwide moved from 24.6% to 41.8%, and its estimated monthly branded searches moved from 110K to 246K.
How did search popularity change for heatmap tools worldwide in September 2026?
2 changes
In September 2026, Microsoft Clarity lost share of searches among heatmap tools worldwide, from 34.4% to 28.1%.
Estimated monthly branded searches for PostHog worldwide rose 123.6% over 12 measured months, from 110K to 246K in September 2026.
How are branded searches counted?
3 search terms
Brandwave collects information about searches that people make online using Microsoft Clarity’s and PostHog’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.
Microsoft Clarity
2 branded search terms
- microsoft clarity
- microsoft clarity heatmap
PostHog
1 branded search term
- posthog
Other head-to-heads among heatmap tools
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