Privacy Policy
We’ve got a privacy policy. We take your privacy seriously!
We might need to collect some cookies, like these:
| Name | _cf_clearance |
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| Type | Persistent |
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| Purpose | Used to grant access to Substack’s servers from its CDN |
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| Lifetime | 30 minutes |
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| Domain | .substack.com |
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| Vendor Privacy Policy | Link |
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| Name | _cf_bm |
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| Type | Persistent |
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| Purpose | Used to block bot access to the site. |
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| Lifetime | 30 minutes |
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| Domain | .substack.com |
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| Vendor Privacy Policy | Link |
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| Name | substack.sid / connect.sid |
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| Type | Persistent |
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| Purpose | Session identifier (login, etc) |
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| Lifetime | 90 days max |
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| Domain | .substack.com |
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| Name | _substack.lli_ |
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| Type | Persistent |
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| Purpose | Communicates login state across first party domains. |
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| Lifetime | 90 days max |
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| Domain | .substack.com |
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| Name | cookie_storage_key |
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| Type | Persistent |
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| Purpose | Allows storage of user cookie preferences |
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| Lifetime | 90 days max |
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| Domain | .substack.com |
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| Name | visit_id |
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| Type | Persistent |
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| Purpose | First-party analytics tracking. |
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| Lifetime | 30 minutes |
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| Domain | .substack.com |
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| Name | ajs_anonymous_id |
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| Type | Persistent |
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| Purpose | First-party analytics tracking. |
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| Lifetime | 365 days |
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| Domain | .substack.com |
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| Name | ab_testing_id |
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| Type | Persistent |
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| Purpose | First-party analytics tracking. |
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| Lifetime | 1 year |
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| Domain | .substack.com |
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| Name | ga_family |
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| Type | Persistent |
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| Purpose | Third-party analytics tracking. |
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| Lifetime | 2 years |
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| Domain | .substack.com |
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| Vendor Privacy Policy | Link |
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| Name | muxData |
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| Type | Persistent |
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| Purpose | Anonymous video metric collection and aggregation. |
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| Lifetime | 2 years |
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| Domain | .substack.com |
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| Vendor Privacy Policy | Link |
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| Name | dd_s |
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| Type | Persistent |
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| Purpose | To identify and diagnose technical problems on the site. |
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| Lifetime | 4 hours |
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| Domain | .substack.com |
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| Vendor Privacy Policy | Link |
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| Name | fs_uid |
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| Type | Persistent |
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| Purpose | Used to track user actions across the site for debugging purposes. |
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| Lifetime | 1 year |
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| Domain | .substack.com |
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| Vendor Privacy Policy | Link |
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| Name | ab_experiment_sampled |
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| Type | Persistent |
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| Purpose | First-party analytics tracking. |
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| Lifetime | 1 year |
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| Domain | .substack.com |
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| Name | like_upsell_last_shown_at |
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| Type | Persistent |
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| Purpose | Prevents users from repeatedly being shown features. |
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| Lifetime | 10 years |
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| Domain | .substack.com |
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| Name | AWSALBTG |
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| Type | Persistent |
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| Purpose | Ensures a consistent user experience across network requests. |
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| Lifetime | 2 years |
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| Domain | .substack.com |
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| Vendor Privacy Policy | Link |
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| Name | zlcmid |
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| Type | Persistent |
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| Purpose | Stores visitor’s machine-id for authentication with Zendesk chat widget. |
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| Lifetime | 1 year |
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| Domain | .substack.com |
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| Vendor Privacy Policy | Link |
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| Name | hideCookieBanner |
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| Type | Persistent |
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| Purpose | Remembers that the user dismissed cookie banner. |
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| Lifetime | 365 days |
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| Domain | .substack.com |
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| Name | intro_popup_last_hidden_at |
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| Type | Persistent |
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| Purpose | Prevents showing introductory information the user has already seen. |
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| Lifetime | 10 years |
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| Domain | .substack.com |
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| Name | chatbot_terms_last_accepted_at |
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| Type | Persistent |
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| Purpose | Prevents users from repeatedly having to accept chatbot terms |
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| Lifetime | 10 years |
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| Domain | .substack.com |
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