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__hssrc

HubSpot session-restart flag. Set to 1 when HubSpot detects that the visitor has started a new browser session.

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Expiry

Session

Set by

HubSpot, Inc.

GDPR & ePrivacy guidance

__hssrc is a analytics cookie. Under Art. 5(3) ePrivacy Directive and the GDPR, it must not be set before the visitor has given prior, informed, freely-given consent.

If your scanner finds __hssrc on a page before the visitor interacts with your consent banner, that's a violation — the cookie loaded without a legal basis.

Fix: gate the script that sets this cookie behind your CMP, so it only fires after the relevant consent category is accepted.

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