A Cloudflare Worker that acts as a privacy-focused proxy for Google Fonts, allowing you to serve Google Fonts from your own domain without exposing user data to Google's servers.

• No IP tracking: User requests never reach Google's servers directly
• No referrer leakage: Your website visitors browsing data stays private

• Proxies Google Fonts CSS API (fonts.googleapis.com/css2)
• Proxies Google Fonts static files (fonts.gstatic.com)
• Automatic URL rewriting in CSS files
• Removes tracking headers and privacy-invasive headers
• Aggressive caching for optimal performance
• Health check endpoint

• Cloudflare account (free tier works)
• Custom domain or Cloudflare Workers subdomain
• Basic knowledge of Cloudflare Workers

1. Log in to your Cloudflare Dashboard
2. Go to Workers & Pages → Create application → Create Worker
3. Replace the default code with the contents of worker.js
4. Click Save and Deploy
5. Optionally, set up a custom domain in the Triggers tab

1. Install Wrangler CLI:

   npm install -g wrangler

2. Clone this repository:

   git clone https://github.com/1Developpeur/FontGuard
   cd FontGuard

3. Login to Cloudflare:

   wrangler login

4. Deploy the worker:

   wrangler deploy

Replace your Google Fonts URLs, only domain changes:

Before:

<link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap" rel="stylesheet">

After:

<link href="https://your-worker-domain.workers.dev/css2?family=Inter:wght@400;500;600&display=swap" rel="stylesheet">

Check if your worker is running:

curl https://your-worker-domain.workers.dev/health

You can customize the worker behavior by modifying the code:

• Cache TTL: Adjust cacheTtl values for different caching strategies
• CORS: Modify access-control-allow-origin header as needed
• Headers: Add or remove headers from the headersToRemove array

Create a wrangler.toml file for advanced configuration:

name = "google-fonts-proxy"
main = "worker.js"
compatibility_date = "2024-01-01"

[env.production]
route = "fonts.yourdomain.com/*"

IMPORTANT: This software is provided "as is" without warranty of any kind. Users are responsible for:

• Ensuring compliance with Google Fonts' Terms of Service
• Verifying compatibility with local privacy laws (GDPR, CCPA, etc.)
• Understanding that font files are still served from Google's infrastructure
• Monitoring usage to stay within Cloudflare Workers limits

The authors and contributors of this project:

• Make no warranties about the software's functionality or reliability
• Are not responsible for any damages or legal issues arising from its use
• Do not guarantee compliance with any specific privacy regulations
• Recommend consulting with legal counsel for compliance requirements

Use at your own risk and responsibility.

• 100,000 requests per day
• 10ms CPU time per request
• 128MB memory per request

No license provided. Use at your own risk and responsibility.

• Cloudflare Workers Documentation
• Google Fonts API Documentation
• GDPR and Web Fonts

Fonts not loading:

• Check browser console for CORS errors
• Verify worker domain is accessible
• Ensure CSS URLs are correctly rewritten

Performance issues:

• Monitor Cloudflare Workers analytics
• Check cache hit rates
• Consider upgrading to Workers Paid plan for higher limits

GDPR compliance:

• This proxy doesn't guarantee compliance with GDPR
• Consult legal counsel for your specific requirements
• Consider adding privacy policy updates

Made with ❤️ for privacy-conscious developers