> How the Nextdoor ads pixel relates to the GDPR and ePrivacy: the conversion cookies and events it sends, visitor consent and US data transfers. > > Canonical: https://www.flowconsent.com/en/services/advertising/nextdoor-ads Advertising # Nextdoor Ads Marketing · [Official website](https://help.nextdoor.com/s/article/About-Neighborhood-Ad-Center-NAC-Conversion-Pixel) Nextdoor Ads is the advertising platform of Nextdoor, the United States based neighbourhood social network. Advertisers add the Nextdoor conversion pixel to their website to measure the actions, such as sign ups and purchases, that result from Nextdoor ads, and to build audiences for retargeting. The pixel is a third party advertising tracker that sets cookies, profiles visitors and sends data to Nextdoor in the United States, so it requires prior consent. [Block Nextdoor Ads until consent](https://app.flowconsent.com/auth/sign-up?utm_source=flowconsent.com\&utm_medium=referral\&utm_campaign=advertising) · [Scan my site](https://www.flowconsent.com/en/scan) At a glance - Category [Advertising](https://www.flowconsent.com/en/services/advertising) - Consent Marketing - Prior consent Required - Documented cookies 2 - Third-party domains 2 - Servers Operated by Nextdoor (United States). Conversion events and device data are processed in the US. Overview ## What does Nextdoor Ads do? ## What Nextdoor Ads is Nextdoor Ads lets businesses advertise to people on Nextdoor, a neighbourhood focused social network based in the United States. To measure and optimise those campaigns, advertisers install the Nextdoor conversion pixel on their site. The pixel reports back which visitors took a desired action after seeing or clicking a Nextdoor ad, and can be used to build retargeting and lookalike audiences. ## What data and cookies it processes The Nextdoor pixel sets advertising cookies that store an identifier, and it sends events such as page views, sign ups and purchases, together with technical data like the page URL and the visitor IP address, to Nextdoor. Where the visitor is a Nextdoor user, these events can be matched to their account, and in all cases they contribute to conversion measurement and audience building for advertising. ## GDPR and ePrivacy implications The Nextdoor pixel is an advertising and measurement tracker, so its cookies are not strictly necessary and require prior consent under article 5(3) of the ePrivacy Directive, with consent as the legal basis under GDPR article 6(1)(a). Sharing conversion events with an advertising platform that can match them to a user account is a form of profiling, so the pixel must stay blocked until the visitor accepts advertising cookies. ## Data transfers and risk Nextdoor is operated from the United States, so the conversion and device data collected from European visitors is transferred to a third country and must rely on the EU US Data Privacy Framework or standard contractual clauses. Because the pixel both profiles visitors and transfers data, it is a high risk advertising activity that you must disclose and document, including the events you send to Nextdoor. ## Practical compliance steps Gate the Nextdoor pixel behind advertising consent so that no event is sent before the visitor accepts, and confirm with developer tools that no Nextdoor cookie is set early. Send only the conversion events you need, avoid passing special category or directly identifying data, name Nextdoor and the United States transfer in your privacy policy, and agree the appropriate data processing and joint controller terms. Compliance ## Nextdoor Ads and the GDPR Nextdoor Ads is classified as “Marketing”. On a site that targets European visitors, it must only load after the visitor consents, and it must be listed in your cookie policy. - Legal basis The Nextdoor pixel is an advertising and measurement tracker, so its cookies are not strictly necessary and require prior consent under ePrivacy art. 5(3) and GDPR art. 6(1)(a). Sharing conversion events with an advertising platform that can match them to a user account is profiling, so legitimate interest is not adequate. - Risk level high - Applicable regulations GDPR, ePrivacy Directive 2002/58/EC, TTDSG (Germany), LOPDGDD (Spain), LIL (France), CNIL cookie guidelines 2020 ### Impact assessment (DPIA) The Nextdoor conversion pixel profiles visitors for advertising and transfers data to the United States, which is high risk processing that usually warrants a DPIA under GDPR art. 35. Assess the events sent, the matching to Nextdoor accounts, the audience building, the retention and the transfer, and document the safeguards and the controller relationship with Nextdoor. ### Sample text for your banner > With your consent, this website uses the Nextdoor advertising pixel to measure the actions you take after seeing our ads on Nextdoor and to build advertising audiences. The pixel sets cookies and sends events to Nextdoor in the United States under standard contractual clauses. No Nextdoor cookie or event is activated until you accept advertising cookies, and you can change or withdraw your consent at any time. Cookies and trackers ## What Nextdoor Ads sets and contacts - Tracking method Third party advertising conversion pixel (the Nextdoor Pixel) for campaign measurement and audience building - Server location Operated by Nextdoor (United States). Conversion events and device data are processed in the US. - Data transferred outside the EU Nextdoor is a United States company, so conversion and device data collected from European visitors is transferred to the US. Any such transfer must rely on the EU US Data Privacy Framework or the European Commission standard contractual clauses. ### Cookies set (2) | Name | Type | Duration | Purpose | | ------- | ----------------------- | -------- | -------------------------------------------------------------------------------------------------------------------------------------- | | nd\_uid | Third party, persistent | 1 year | Stores an advertising identifier used by the Nextdoor pixel to link conversion events to Nextdoor advertising campaigns and audiences. | | ndd | Third party, session | Session | Stores a short lived identifier used to associate events within a single visit. | ### Third-party domains contacted (2) - `nextdoor.com` - `ads.nextdoor.com` Questions ## Frequently asked questions about Nextdoor Ads Can't find your question? Write to us, we answer fast. [Write to us](https://www.flowconsent.com/en/demo) ### Which cookies does the Nextdoor pixel set? The Nextdoor conversion pixel sets advertising cookies that store an identifier used to link conversion events, such as sign ups and purchases, to a Nextdoor advertising campaign and to build audiences. They are advertising cookies, not strictly necessary ones. ### Do I need consent to use the Nextdoor pixel? Yes. The pixel is an advertising and measurement tracker, so it requires prior consent under article 5(3) of the ePrivacy Directive. Keep it blocked in your consent banner until the visitor accepts advertising cookies. ### What is the legal basis? The pixel relies on the visitor consent of GDPR article 6(1)(a) and ePrivacy article 5(3), because it shares conversion events with an advertising platform that can profile users. Legitimate interest is not adequate for this advertising tracking. ### Does the Nextdoor pixel transfer data to the United States? Yes. Nextdoor is a United States company, so the conversion and device data from European visitors is transferred to the US under the EU US Data Privacy Framework or standard contractual clauses. Disclose this in your privacy policy. ### Do I need a DPIA? Often. Profiling visitors for advertising and matching events to a social network account, combined with US transfers, is high risk under GDPR article 35. Assess the events, the matching, the audiences and the transfer. ### How do I implement the Nextdoor pixel compliantly? Block the pixel until advertising consent, send only the events you need, avoid sensitive or directly identifying data, disclose Nextdoor and the US transfer, and agree the appropriate data processing terms. Confirm no Nextdoor cookie fires before consent. ### What are the alternatives to the Nextdoor pixel? If you advertise without a social network pixel, consider measuring conversions with consented first party analytics or server side conversion APIs that limit the data shared. Removing unused advertising pixels reduces both risk and the number of vendors to disclose. ### How do I keep my cookie policy up to date with the Nextdoor pixel? List the Nextdoor pixel, its cookies, the conversion events you send, its purpose and the United States transfer in your cookie policy, and review it when you change your Nextdoor campaigns. Remove the entry when you stop advertising on Nextdoor. Same category ## More services: Advertising [See the whole category](https://www.flowconsent.com/en/services/advertising) ### [Woorise](https://www.flowconsent.com/en/services/advertising/woorise) [Woorise is a digital marketing technology that helps businesses reach, engage, and convert their target audience online. It provides advanced targeting, campaign management, and performance analytics capabilities. 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