--- title: "Microsoft Clarity vs PostHog: Which is searched more?" description: "Is Microsoft Clarity or PostHog more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Heatmap tools set worldwide. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time." canonical: "https://gobrandwave.com/demand/global-en/categories/heatmap-tools/compare/microsoft-clarity-vs-posthog" publisher: "Brandwave" --- # Microsoft Clarity vs PostHog: Which is searched more? Is Microsoft Clarity or PostHog more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Heatmap tools set worldwide. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time. ## Key facts - **Compared**: Microsoft Clarity and PostHog - **Competitive set**: Heatmap tools - **Market**: Global - **Month measured**: Sep 2026 - **Microsoft Clarity Share of Search**: 28.1% - **PostHog Share of Search**: 41.8% ## Is Microsoft Clarity or PostHog more popular in search? - 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%. - 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. ## 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. Brands get a higher AI rank if they are mentioned earlier in the answers that list options. | Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it | | --- | --- | --- | --- | --- | | Microsoft Clarity | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | Hotjar | 2nd | 3 of 3 | 2 of 2 | 5 of 5 | | Mouseflow | 3rd | 2 of 3 | 2 of 2 | 4 of 5 | | Crazy Egg | 4th | 2 of 3 | 2 of 2 | 4 of 5 | | Contentsquare | 5th | 1 of 3 | 1 of 2 | 2 of 5 | | Fullstory | 6th | 1 of 3 | 1 of 2 | 2 of 5 | | Lucky Orange | 7th | 0 of 3 | 1 of 2 | 1 of 5 | | PostHog | 8th | 1 of 3 | 1 of 2 | 2 of 5 | | Smartlook | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about heatmap tools - Asked ChatGPT "Which heatmap tool should I use?": 1. Hotjar, 2. Microsoft Clarity - Asked ChatGPT "What are the best heatmap tools?": 1. Microsoft Clarity, 2. Hotjar, 3. Mouseflow, 4. Fullstory, 5. Crazy Egg, 6. PostHog - Asked ChatGPT "What's the best heatmap tool for a website?": 1. Microsoft Clarity, 2. Hotjar, 3. Crazy Egg, 4. Mouseflow, 5. Contentsquare - Searched Google, AI Overview "heatmap tools": 1. Microsoft Clarity, 2. Hotjar, 3. Mouseflow, 4. Fullstory, 5. Crazy Egg - Searched Google, AI Overview "website heatmap software": 1. Microsoft Clarity, 2. Contentsquare, 3. Lucky Orange, 4. Mouseflow, 5. Hotjar, 6. Crazy Egg, 7. PostHog Not named in any answer: Smartlook. Brands are listed in the order each answer named them. The answers were collected in the United States on October 21, 2026. ## How did search popularity change for heatmap tools worldwide in September 2026? - 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. ## Month by month | Month | Microsoft Clarity estimated searches | Microsoft Clarity Share of Search | Microsoft Clarity rank | PostHog estimated searches | PostHog Share of Search | PostHog rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 111K | 24.8% | 2 | 110K | 24.6% | 3 | | Nov 2025 | 111K | 26.7% | 2 | 110K | 26.6% | 3 | | Dec 2025 | 111K | 28.8% | 1 | 110K | 28.7% | 2 | | Jan 2026 | 136K | 29.4% | 1 | 135K | 29.2% | 2 | | Feb 2026 | 136K | 35.7% | 1 | 90.5K | 23.8% | 2 | | Mar 2026 | 137K | 30.8% | 2 | 165K | 37.1% | 1 | | Apr 2026 | 136K | 35% | 1 | 110K | 28.3% | 2 | | May 2026 | 167K | 39.7% | 1 | 135K | 32.1% | 2 | | Jun 2026 | 166K | 32.3% | 2 | 201K | 39.1% | 1 | | Jul 2026 | 167K | 34.7% | 2 | 201K | 41.8% | 1 | | Aug 2026 | 166K | 34.4% | 2 | 201K | 41.7% | 1 | | Sep 2026 | 165K | 28.1% | 2 | 246K | 41.8% | 1 | ## How each brand is measured 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**: Measured on the search terms “microsoft clarity” and “microsoft clarity heatmap”, summed into one figure. - **PostHog**: Measured on the search term “posthog”. - [Microsoft Clarity profile](/demand/global-en/brands/microsoft-clarity) - [PostHog profile](/demand/global-en/brands/posthog) - [All heatmap tools worldwide](/demand/global-en/categories/heatmap-tools): The set both shares are measured inside, 9 brands. ## Methodology - [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Is Microsoft Clarity or PostHog more popular in search? 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%. ## Cite this page Brandwave. "Microsoft Clarity vs PostHog: Which is searched more?". https://gobrandwave.com/demand/global-en/categories/heatmap-tools/compare/microsoft-clarity-vs-posthog This page is also available as HTML at https://gobrandwave.com/demand/global-en/categories/heatmap-tools/compare/microsoft-clarity-vs-posthog. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.