Building a GDPR-Compliant Cookie Consent System with Sanity CMS
The author decided to build a custom cookie consent solution for their blog to avoid the complexities and privacy issues of third-party libraries. Their solution is fully GDPR-compliant, privacy-first, and integrates with Sanity CMS. The custom implementation includes three main components: a Sanity CMS schema for managing consent content, a React Context for state management, and conditional loading of analytics based on user consent. The system emphasizes accessibility, server-side data fetching, and smart reload logic to ensure a seamless user experience. The cookie banner is designed to be editor-friendly, allowing non-technical users to update content without code changes. The result is a lightweight, under 5KB, GDPR-compliant system that respects user privacy by default, loads no third-party tracking libraries, and provides full transparency with a detailed policy page. Users can withdraw consent at any time, and the system is fully accessible, making it an ideal solution for personal blogs or small sites.
