Microsoft Clarity vs PostHog:Which is more popular?
In September 2026, PostHog had more branded searches than Microsoft Clarity among web analytics tools worldwide. PostHog had about 247,000 branded searches, while Microsoft Clarity had 165,000. PostHog made up 6.4% of all web analytics tool searches we track, and Microsoft Clarity accounted for 4.3%. When we asked ChatGPT and Google AI Overviews about web analytics tools, Microsoft Clarity appeared in all five answers and PostHog in three. Microsoft Clarity was mentioned before PostHog in every answer.
Who do people search for more?
PostHog, about 50% 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 web analytics 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 three out of five: in one of the three ChatGPT answers and in both 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.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Google Analytics5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers- Microsoft Clarity5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Plausible5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Matomo4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers- PostHog3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Adobe Analytics2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Mixpanel1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Fathom Analytics1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Similarweb0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Hotjar0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about web analytics tools
5 answers
Asked ChatGPT
“Which web analytics tool should I use?”
Asked ChatGPT
“What are the best web analytics tools?”
Asked ChatGPT
“What's the best web analytics tool for a small website?”
Searched Google, AI Overview
“web analytics tools”
Searched Google, AI Overview
“website analytics tool”
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 13 web analytics 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 | Google Analytics | Similarweb | PostHog | Microsoft Clarity | Hotjar | Mixpanel | Matomo | Adobe Analytics | Umami | Plausible | Mode Analytics | Amplitude | Fathom Analytics |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 68.5% | 13% | 3.9% | 3.9% | 4.8% | 2.6% | 1.6% | 0.64% | 0.2% | 0.29% | 0.2% | 0.2% | 0.16% |
| Nov 2025 | 67.7% | 12.8% | 3.9% | 3.8% | 3.8% | 4.7% | 1.6% | 0.63% | 0.2% | 0.29% | 0.2% | 0.17% | 0.15% |
| Dec 2025 | 71.1% | 11.1% | 4.1% | 4.1% | 3.3% | 3.4% | 1.4% | 0.55% | 0.26% | 0.25% | 0.18% | 0.18% | 0.13% |
| Jan 2026 | 67.9% | 12.9% | 4.8% | 4.7% | 3.9% | 2.6% | 1.6% | 0.63% | 0.24% | 0.29% | 0.2% | 0.17% | 0.13% |
| Feb 2026 | 72.9% | 11.3% | 3.4% | 5.1% | 2.8% | 1.5% | 1.2% | 0.56% | 0.26% | 0.31% | 0.27% | 0.24% | 0.09% |
| Mar 2026 | 71.5% | 13.5% | 5% | 4.1% | 1.8% | 1.5% | 0.98% | 0.54% | 0.25% | 0.3% | 0.22% | 0.19% | 0.09% |
| Apr 2026 | 74.7% | 11.6% | 3.5% | 4.2% | 1.9% | 1.6% | 0.99% | 0.47% | 0.26% | 0.31% | 0.23% | 0.17% | 0.11% |
| May 2026 | 78.9% | 8.3% | 3.8% | 4.5% | 1.4% | 1.1% | 0.73% | 0.41% | 0.23% | 0.34% | 0.16% | 0.15% | 0.07% |
| Jun 2026 | 72.5% | 9.2% | 6.2% | 5% | 2.3% | 1.9% | 1.4% | 0.45% | 0.26% | 0.37% | 0.18% | 0.16% | 0.13% |
| Jul 2026 | 74% | 9.3% | 6.2% | 5.1% | 1.5% | 1.5% | 0.97% | 0.37% | 0.32% | 0.31% | 0.15% | 0.16% | 0.11% |
| Aug 2026 | 75.6% | 7.7% | 6.4% | 5.2% | 1.6% | 1.3% | 0.97% | 0.38% | 0.27% | 0.26% | 0.12% | 0.13% | 0.11% |
| Sep 2026 | 75.1% | 7.8% | 6.4% | 4.3% | 2.8% | 1.6% | 0.97% | 0.31% | 0.27% | 0.21% | 0.1% | 0.09% | 0.06% |
How has the Microsoft Clarity and PostHog comparison changed over the last 12 months?
3 findings
- The lead changed hands 4 times in the 12 months ending September 2026: Microsoft Clarity took it in February 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 web analytics tools worldwide moved from 3.9% to 4.3%, and its estimated monthly branded searches moved from 110K to 165K.
- Across the 12 months ending September 2026, PostHog’s share of searches among web analytics tools worldwide moved from 3.9% to 6.4%, and its estimated monthly branded searches moved from 111K to 247K.
How did search popularity change for web analytics tools worldwide in September 2026?
2 changes
In September 2026, Microsoft Clarity lost share of searches among web analytics tools worldwide, from 5.2% to 4.3%.
Estimated monthly branded searches for PostHog worldwide rose 123% over 12 measured months, from 111K to 247K 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
1 branded search term
- microsoft clarity
PostHog
2 branded search terms
- posthog
- posthog analytics
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