Microsoft Clarity /collect request
Microsoft Clarity's upload request. It sends batches of interaction data used for session recordings and heatmaps.
The request at a glance
- Request
POSThttps://www.clarity.ms/collecthttps://<letter>.clarity.ms/collect- Sent by
- Microsoft Clarity
- Typically triggered by
- Ongoing activity during the visit
What this request is
Clarity's script uploads what happens on the page, such as clicks, scrolls and page changes, in batched POST requests to /collect on a clarity.ms host. Clarity uses this data to build session recordings and heatmaps.
Microsoft's setup guide tells site owners to look for these requests to confirm Clarity is installed.
What typically triggers it
- Page load, once the Clarity script starts.
- Ongoing interaction: requests keep being sent in batches while the visitor clicks, scrolls and navigates.
Important parameters
| Parameter | What it means | Source |
|---|---|---|
POST body | A batch of interaction data sent in the request body. Microsoft documents the requests but not the format of the body, which is compressed. | Vendor-documented |
How to find it on a site
- Open the site in Chrome, open DevTools (F12, or Cmd+Option+I on a Mac) and go to the Network tab.
- Reload the page and type
clarity.ms/collectinto the filter box. - Click a matching request and open Payload to read its parameters. Some may be in the request body rather than the URL.
- No requests while you interact with the page usually means the Clarity script didn't load or was blocked.
Sources
The endpoint, the sender and the parameters marked vendor-documented were checked against the sources above on . Browse all network requests.
Know when a tag stops firing
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