Artifact GuideEU

EU ePrivacy Analytics Cookies

Decide whether analytics cookies need consent, whether a limited analytics exemption can be supported, and what evidence must prove the configuration.

Built for privacy, product analytics, web engineering, consent-platform, legal, and regional operations teams that need source-linked cookie decisions without inventing country rules.

Author
Sorena AI
Published
May 9, 2026
Updated
May 9, 2026
Sections
5

Structured answer sets in this page tree.

Primary sources
6

Cited legal and guidance references.

Publication metadata
Sorena AI
Published May 9, 2026
Updated May 9, 2026
Overview

Analytics cookies are not automatically exempt from EU ePrivacy consent rules. The starting point is Article 5(3): storing information on, or accessing information from, a user's terminal equipment generally requires clear information and consent unless a narrow exemption applies. For analytics, teams need a documented technical classification, consent or exemption rationale, live banner behavior, and country-specific checks where national implementation or regulator guidance controls the final answer.

Section 1

When analytics cookies fall within Article 5(3)

Treat analytics as an Article 5(3) issue whenever the website or app stores identifiers, reads cookies or local storage, sends client-side analytics events, uses tracking pixels or tracked URLs, or instructs browser code to send device-derived information to an analytics endpoint.

The technical scope is broader than classic browser cookies. EDPB guidance covers storage and access separately, client-side JavaScript calls, tracking pixels, tracked links, local processing that sends results back over the network, IP-based tracking in some circumstances, and unique identifiers in websites or mobile apps.

  • Inventory cookies, SDKs, pixels, local storage, ETags, tracked URLs, IP-only analytics, and unique identifiers used for measurement.
  • Record whether the site or a supplier instructs the browser, app, or device to send analytics information back over a public communications network.
  • Do not treat server logs, IP addresses, or first-party tooling as automatically outside Article 5(3); document why the information does or does not originate from terminal equipment.
  • Separate analytics cookies from authentication, security, shopping-cart, user-input, and preference cookies because purpose and implementation drive the exemption analysis.
Section 3

When limited analytics may be exempt or lower-risk

A limited analytics exemption is not a generic ePrivacy safe harbor. WP29 explains that Article 5(3) exemptions are narrow: the cookie must be for network transmission, or strictly necessary for a service or functionality explicitly requested by the user. For analytics, CNIL describes a more specific national-regulator path where audience-measurement cookies may move from opt-in to opt-out only if listed conditions are met.

Use the CNIL criteria as a grounded example of what a limited analytics configuration can look like. In practice, you still need to check the local law and regulator guidance for each Member State, and you should document the implementation evidence that shows the actual setup matches the claimed exemption.

  • Limit the analytics purpose to audience measurement or A/B testing and prohibit advertising, CRM enrichment, cross-site statistics, or other secondary use.
  • Inform users and give them an effective ability to object when relying on the CNIL-described opt-out model.
  • Keep the tracer limited to one site or application editor and prevent cross-checking with other processing.
  • Truncate the last byte of the IP address and set tracker lifetime no longer than 13 months when using the CNIL criteria.
  • For a third-party processor providing comparative analytics to several publishers, document that data and trackers are collected, processed, stored, and separated independently for each publisher.
  • Flag major audience-measurement offerings for extra review because CNIL states that most large offerings do not fall within the exemption regardless of configuration.
Section 4

Configuration and evidence requirements

The analytics decision should be reproducible from evidence, not from vendor labels. Keep the scanned cookie list, tag-manager rules, consent-management-platform configuration, event taxonomy, data-sharing settings, IP handling, retention settings, processor terms, and tests showing what fires before accept, after reject, after withdrawal, and after opt-out.

Consent logs matter when analytics is consent-based, but they are not the whole record. The team also needs proof that non-essential analytics is blocked until consent, reject and withdrawal choices are honored, and exempt or opt-out analytics remains within the exact configuration justified in the decision.

  • Save a cookie and tracer inventory with names, domains, purposes, lifetimes, first-party or third-party status, provider, data recipient, and trigger condition.
  • Capture CMP screenshots or configuration exports for the first layer, settings layer, analytics purpose text, accept control, reject control, save choices control, and withdrawal path.
  • Retain consent logs with timestamp, region, banner version, purpose version, user choice, withdrawal events, and a link to the policy text shown at the time.
  • Run evidence tests in at least four states: fresh visitor before choice, accepted analytics, rejected analytics, and withdrawn analytics.
  • For exemption claims, keep an engineering attestation that analytics is limited to measurement or A/B testing, separated per publisher, not cross-checked with other processing, IP-truncated where required, and subject to the documented lifetime.
  • Refresh the record when analytics vendors, tag-manager containers, SDK versions, purposes, countries, user journeys, retention, or banner design change.
Section 5

What EU-wide sources cannot conclude alone

EU-level materials do not give a single operational answer for every analytics setup in every Member State. The ePrivacy Directive is implemented through national laws, national data protection authorities publish different levels of cookie guidance, and CNIL's analytics sheet itself warns that ePrivacy analytics guidance may be subject to national variation.

Do not state that a vendor, tag template, consent mode, or first-party analytics product is exempt across the EU merely because it can be configured with privacy controls. The final conclusion needs the actual configuration, the Member State position, and the evidence record.

Do analytics cookies always need consent under the EU ePrivacy Directive?

No, but consent is the default starting point unless a narrow exemption is supported. CNIL describes limited audience-measurement conditions that may allow an opt-out model, while WP29 and EDPB sources require a purpose-and-implementation analysis.

Can a team rely on CNIL analytics guidance for all EU countries?

No. CNIL is a national regulator source and the sheet flags national variation. Use it as grounded support for limited analytics-exemption criteria, then verify the Member State rules that apply to the site or app.

What should consent logs prove for analytics cookies?

They should prove the banner and purpose version shown, the user's affirmative choice or rejection, the timestamp and region, later withdrawal, and that analytics tags respected the choice in live tests.

  • Do not invent Member State analytics exemptions or retention limits where the grounding folder does not contain that country rule.
  • Do not infer that all first-party analytics is strictly necessary; WP29 says purpose and implementation decide the answer.
  • Do not infer that opt-out analytics is lawful EU-wide from CNIL guidance alone.
  • Do not treat a vendor's privacy-preserving mode as evidence unless technical settings and live network behavior prove the claim.
  • Escalate when the site uses analytics for logged-in users, sensitive journeys, children, employee portals, health or financial services, cross-device measurement, or multi-controller data sharing.
Primary sources

References and citations

eur-lex.europa.eu
Referenced sections
  • Provides the baseline ePrivacy Directive framework for terminal-equipment consent and narrow exceptions, as implemented through Member State law.
"terminal equipment"
edpb.europa.eu
Referenced sections
  • Supports maintaining cookie lists, documenting purposes, demonstrating essentiality, and checking accessible withdrawal routes.
"maintain such lists"
edpb.europa.eu
Referenced sections
  • Supports keeping evidence that consent was obtained validly and can be withdrawn as easily as it was given.
"Demonstrate consent"
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