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Segment.io

Segment.io

Customer data platform and analytics router that collects behavioral events from websites and forwards them to any connected destination (analytics, CRM, ad platforms). The Segment Analytics.js library fires a single tracking call that fans out to dozens of integrations, reducing the need for multiple vendor scripts.

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Overview

Segment.io is a customer data platform (CDP) that collects behavioral events from websites and routes them to connected analytics, CRM, and advertising destinations. It serves as a unified data collection layer that replaces multiple vendor-specific tracking scripts.

What This Script Does

The Segment.io Analytics.js library captures page views, user identifications, and custom track events in the browser. It sets first-party cookies to maintain anonymous visitor IDs across sessions. Events are sent to Segment.io's servers and fanned out to configured downstream integrations such as analytics platforms, CRMs, and ad networks. Some integrations may load additional client-side scripts bundled through Segment.io's device-mode destinations.

Consent & Compliance

Consent category: Analytics

Segment.io collects behavioral data and user identifiers that flow to multiple third-party services. Under GDPR, consent is required before tracking begins, especially when data is forwarded to marketing destinations. Under CCPA, routing data to advertising platforms may constitute sharing personal information. The ePrivacy Directive requires consent for non-essential cookies. The applicable consent category depends on which downstream integrations are active.

Should You Block This Without Consent?

Yes. Segment.io collects personal data and routes it to third parties. It should not fire until the user has granted at least analytics consent. If marketing integrations are connected, marketing consent is also required.

Is Segment.io GDPR compliant?

Segment.io typically loads marketing and analytics trackers, which are not strictly necessary for your site to work. Under the GDPR and the ePrivacy Directive, non-essential cookies and trackers must stay blocked until a visitor gives clear opt-in consent. So Segment.io can be fully GDPR compliant, but only if your site holds its scripts until consent is granted and lets visitors decline just as easily. Compliance depends on how your site loads Segment.io, not on Segment.io itself.

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Consent Categories

Analytics

Also Known As

segment.iosegmentsegment analyticscustomer data platformCDP trackinganalytics.jsTwilio Segment

Industries

Computers Electronics and TechnologyProgramming and Developer SoftwareBusiness and Consumer ServicesMarketing and Advertising

Tracked Domains (2)

Segment.io's trackers are occasionally seen, seen on about 1% of the sites ConsentStack has scanned. Scan your own site to see which of these are firing before consent.

segment.comMarketing

segment.com is a marketing domain operated by Segment.io, used to serve ads, build audiences, and measure ad conversions. Seen on about 1% of scanned sites.

segment.ioMarketing

segment.io is a marketing domain operated by Segment.io, used to serve ads, build audiences, and measure ad conversions. Seen on under 1% of scanned sites.

Frequently Asked Questions

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