How much Microsoft Clarity slows a Shopify store
Heatmaps and session recording
We measured Microsoft Clarity on 264 Shopify ecommerce stores. This is the processing time it added on the typical store's homepage.
Moderate (100 to 300 ms)
Microsoft Clarity was moderate on 48% of the stores it was measured on.
Last measured on September 26, 2026.
All apps in the index · How we measure these numbers
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How it varied from store to store
The same app can take more work on one store than on another. It depends on how the app is set up and what else loads with it.
| Light (under 100 ms) | 22 of 264 stores |
| Moderate (100 to 300 ms) | 128 of 264 stores |
| Heavy (300 ms to 1 second) | 100 of 264 stores |
| Very heavy (over 1 second) | 14 of 264 stores |
Compare Microsoft Clarity with other heatmap and session recording apps
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