A custom data layer is a structured JavaScript object embedded in a website that stores information about user interactions, consent status, page context, or e-commerce actions. It acts as a centralized repository of data that can be accessed by analytics tools, consent management platforms (CMPs), or marketing tags. Unlike default data layers, custom layers are tailored to a business’s specific data tracking needs.
When a visitor interacts with a website, key events (e.g. product views, form submissions, or cookie preferences) are captured in the data layer. This information is then made available to tools like Google Tag Manager, Seers CMP, or any compliance engine.
For example:
window.dataLayer = window.dataLayer || [];
dataLayer.push({
event: "consentUpdated",
consentStatus: "granted",
userId: "12345"
});
By using a custom data layer, companies can ensure accurate, consistent data capture across multiple tools and vendors, without relying on fragile DOM scraping or manual tagging.
In privacy-focused environments, a custom data layer helps manage user consent transparently and ensures that no personal data is processed until consent is given. It enables:
Consent-based tag firing
GDPR/CCPA compliance auditing
Better control over third-party scripts
Implementing a custom data layer improves data governance, reduces compliance risks, and strengthens overall trust in your digital infrastructure.
United Kingdom
24 Holborn Viaduct
London, EC1A 2BN
Seers Group © 2025 All Rights Reserved
Terms of use | Privacy policy | Cookie Policy | Sitemap | Do Not Sell or Share My Personal Information.
Seers AI Referral Program
Refer Seers AI, give 15% off to new users, & earn 15% commission on every signup!
