Overview
Squarespace is a website builder and all-in-one e-commerce platform hosting millions of businesses, creators, and portfolios. On Squarespace-built sites, its scripts are the foundational layer — they render the entire site template, manage routing, power the e-commerce storefront, and bundle analytics and scheduling (via Acuity) into the core platform. Unlike WordPress or other open platforms, Squarespace is a closed system: the site cannot function without its core scripts.
What This Script Does
Core Site Infrastructure
- Bootstraps the entire site: template rendering, responsive layout, navigation, and page transitions
- Manages client-side routing for single-page application navigation between Squarespace pages
- Scripts are loaded from
static1.squarespace.com(CDN) andassets.squarespace.com - Handles media delivery: images served through Squarespace's Imgix-backed image processing pipeline
E-Commerce and Checkout
- Powers Squarespace Commerce: product catalog rendering, inventory display, shopping cart session management, and checkout flow
- Processes payments via Squarespace Payments (Stripe-backed), PayPal, and Apple Pay integrations
- Sets cart session cookies to persist cart state across page navigation
Cookies Set
crumb— CSRF protection token, first-party, sessionsquarespace-announcement-bar— tracks whether the visitor has dismissed the announcement bar, first-party, persistentSQ_LANGUAGE_SESSION— language preference for multilingual sites, first-party, sessionSS_MID/SS_CVRT— Squarespace's built-in visitor analytics identifiers, first-party, persistent (up to 2 years); powers the Squarespace Analytics dashboard for site owners_orig_referrer— captures the initial referral source for traffic attribution, first-party, session- Cart cookies: session-scoped identifiers for cart persistence on commerce sites
Built-In Analytics (Squarespace Analytics)
- Every Squarespace site includes built-in analytics that cannot be disabled — tracking page views, unique visitors, traffic sources, and sales data
- The
SS_MIDcookie provides persistent visitor identification for this analytics system - Data is sent to Squarespace's analytics pipeline and displayed in the site owner's Squarespace dashboard
- This analytics cannot be selectively blocked without breaking the site
Acuity Scheduling Integration
- Sites using Acuity Scheduling (a Squarespace product) load additional scripts from
acuityscheduling.com - Acuity scripts are treated as functional (see Acuity Scheduling vendor entry)
Consent & Compliance
Consent category: Essential / Functional
Squarespace's core rendering scripts, CSRF protection, and cart cookies are essential for any Squarespace-hosted site to function and are exempt from consent under the ePrivacy Directive. The SS_MID persistent analytics cookie is more nuanced — it is set by default for Squarespace's built-in analytics and persists for up to 2 years, technically requiring consent under a strict ePrivacy interpretation. However, because it cannot be disabled without breaking the platform, sites using Squarespace must disclose it in their privacy policy and cookie notice. Under GDPR, Squarespace acts as a data processor; the site operator is the controller. Squarespace is a US company and participates in the EU-US Data Privacy Framework.
Should You Block This Without Consent?
No. Squarespace scripts are the essential foundation of Squarespace-hosted sites. Blocking them would render the site non-functional. Squarespace's built-in analytics (SS_MID) cannot be disabled, so disclosure and a clear cookie notice are the appropriate compliance approach on Squarespace-built sites.
Is Squarespace GDPR compliant?
Squarespace typically loads functional 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 Squarespace 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 Squarespace, not on Squarespace itself.
Consent Categories
Also Known As
Industries
Tracked Domains (1)
Squarespace's trackers are rarely seen, seen on under 1% of the sites ConsentStack has scanned. Scan your own site to see which of these are firing before consent.
squarespace.comEssentialsquarespace.com is an essential domain operated by Squarespace, used to keep the site working, including security, load balancing, and sessions. Seen on under 1% of scanned sites.
Frequently Asked Questions
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