Overview
Foursquare is a location intelligence platform that has pivoted from its consumer check-in app origins to become a B2B location data and advertising attribution company. Through its acquisitions (including Factual and Placed), Foursquare provides location-based audience segmentation, foot traffic attribution, and geofencing capabilities to advertisers. When detected on websites, Foursquare's scripts are collecting device signals to build location-based audience segments or measure whether online ad exposure drove physical store visits.
What This Script Does
Foursquare deploys attribution and audience pixels on advertiser and publisher websites.
- Attribution pixels: Tracking pixels from Foursquare (including the Placed attribution platform) fire on advertiser websites to record online conversion events. These are correlated with Foursquare's location panel data to measure whether ad-exposed users subsequently visited a physical store location.
- Audience pixels: Scripts collect device signals and behavioral data to classify website visitors into location-based audience segments (e.g., "frequent fast-food diners," "luxury shoppers") derived from Foursquare's location graph.
- Cookies set: Foursquare sets cookies for visitor identification and cross-session attribution. These persistent identifiers enable matching of website visits to the location data collected through Foursquare's mobile SDK panel and partner data sources.
- Data collected: Device identifiers, IP address (for approximate geolocation), page URLs, referrer information, browser fingerprint signals, and timestamp data. This is combined with Foursquare's proprietary location dataset to infer physical-world behavior patterns.
- Cross-device matching: Foursquare uses probabilistic matching techniques to link website visits (desktop/mobile browser) with mobile app location data, building cross-device profiles for attribution reporting.
Consent & Compliance
Foursquare falls under both analytics and marketing consent categories.
Under GDPR and ePrivacy, Foursquare's tracking pixels require explicit opt-in consent. They set persistent cookies for visitor identification, collect device signals for fingerprinting, and match website visitors against location data profiles — constituting extensive personal data processing under GDPR. The cross-device matching and location inference create sensitive profiles that may trigger GDPR Article 9 protections if location data reveals information about health (hospital visits), religion (place of worship visits), or political activity. The ePrivacy Directive requires consent for all non-essential cookies and device fingerprinting.
Under CCPA/CPRA, Foursquare's collection and combination of website behavior with location data constitutes "sharing" of personal information for cross-context behavioral advertising. Location data is classified as "sensitive personal information" under CPRA, triggering additional consumer rights including the right to limit its use.
Should You Block This Without Consent?
Yes. Foursquare's scripts perform cross-device tracking, location-based profiling, and advertising attribution — all non-essential marketing and analytics functions. The combination of web behavior with physical location data creates particularly sensitive profiles. Block all Foursquare pixels and scripts until the user grants marketing consent.
Is Foursquare GDPR compliant?
Foursquare typically loads analytics and marketing 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 Foursquare 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 Foursquare, not on Foursquare itself.
Consent Categories
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Tracked Domains (2)
foursquare.comAnalyticsfoursquare.com is an analytics domain operated by Foursquare, used to measure visits, sessions, and on-site behavior.
pilgrim.foursquare.comAnalyticspilgrim.foursquare.com is an analytics domain operated by Foursquare, used to measure visits, sessions, and on-site behavior.
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