Documentation

Learn how to effectively analyze cookies, optimize performance, and secure your website's cookie policies.

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Introduction

Tools.Cookies helps developers and security teams monitor, analyze, and optimize browser cookies across domains.

Key Features

  • Cookie Security Audit
  • Performance Optimization
  • Compliance Reports
  • Cookie Mapping
  • Secure Flag Analysis
  • HttpOnly Verification

Technical Guide

1. Cookie Analysis Workflow

  1. Connect your browser
    Launch the analysis tool and connect your browser via local tunnel.
  2. Scan target domain
    Enter the domain in the input field to analyze all cookies.
  3. Download report
    Generate a PDF or JSON report containing insights and recommendations.

2. Security Configuration

  • Secure Flag: Always set Secure for production cookies
  • HttpOnly: Protect sensitive cookies by enabling HttpOnly
  • SameSite: Configure SameSite=Strict for maximum protection

Example Code


// Secure cookie example
setcookie('session_token', 'random_value', [
    'expires' => time() + 3600,
    'secure' => true,
    'httponly' => true,
    'samesite' => 'Strict'
]);

Security Features

SSL Enforcement

Ensures cookies are only transmitted over HTTPS connections.

Secure Header Checking

Verifies proper Set-Cookie header formatting and security directives.

Session Tracking

Identifies potential session fixation vulnerabilities in cookie management.

Performance Optimization

Cookie Size Analysis

Our tool automatically calculates cookie payload sizes to help optimize bandwidth usage.

Domain Expiry Optimization

Analyzes cookie expiration times to identify potential performance bottlenecks.

Best Practices

Cookie Scope

  • Use precise domain/path parameters to limit scope
  • Avoid domain= parameter unless necessary
  • Use SameSite=Strict for authentication cookies

Security Recommendations

  • Always set Secure and HttpOnly flags for session cookies
  • Never store sensitive data in cookies