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Documentation

Complete documentation for Zest cookie consent toolkit

Overview

Zest is a lightweight (~9KB gzipped), zero-dependency cookie consent toolkit designed for GDPR and CCPA compliance. It provides intelligent script blocking, cookie interception, and a beautiful customizable UI.

Why Zest?

Feature Zest Klaro Tarteaucitron
Size (gzipped) ~9KB ~45KB ~80KB
Dependencies None None None
Script Blocking Yes Yes Yes
Cookie Interception Yes No No
Storage Interception Yes No No
DNT/GPC Support Yes Partial No
Shadow DOM Yes No No

Core Features

  • Intelligent Script Blocking - Multiple blocking modes (manual, safe, strict, doomsday) with automatic detection of known trackers
  • Cookie & Storage Interception - Intercepts document.cookie, localStorage, and sessionStorage operations
  • Privacy Controls - Respects Do Not Track (DNT) and Global Privacy Control (GPC) browser signals
  • Multi-Language - 12 built-in languages with auto-detection
  • Customizable UI - Banner, settings modal, and floating widget with theming support
  • Event System - Comprehensive events for consent changes

Getting Started

  1. Installation & Quick Start - Add Zest to your website
  2. Configuration - Customize behavior and appearance
  3. API Reference - Programmatic control
  4. Script Blocking - How script blocking works
  5. Events & Callbacks - React to consent changes
  6. Styling - Customize the look and feel

Need Help?