🌐 CDN Setup Guide

Speed up your site globally with Content Delivery Networks

How CDN Works

A CDN distributes your content across multiple servers worldwide, serving users from the closest location.

🏢

Origin Server

Your main server (USA)

☁️

CDN Edge Servers

🇪🇺
Europe
🇯🇵
Asia
🇧🇷
S. America

✨ CDN Benefits

Faster Load Times

Reduce latency by serving from nearest edge

🌍

Global Reach

Fast experience for users worldwide

🛡️

DDoS Protection

Distribute traffic across network

📊

Reduce Server Load

Cache content at edge locations

🏆 Popular CDN Providers

☁️

Cloudflare

Free tier available • Pro from $20/mo

Most popular CDN with excellent free tier. Includes security features and easy setup.

  • Free SSL certificate
  • DDoS protection
  • Page Rules for caching
  • Edge Workers for logic
🔷

AWS CloudFront

Pay-as-you-go

Enterprise-grade CDN from Amazon. Great integration with AWS services.

  • 410+ edge locations
  • Lambda@Edge functions
  • Real-time analytics
  • Origin failover
🟢

Fastly

From $50/mo

Developer-focused CDN with instant purge and real-time logging.

  • 150ms global purge
  • VCL configuration
  • Compute@Edge
  • Real-time streaming logs
🔵

Bunny CDN

From $1/mo

Budget-friendly CDN with simple pricing and good performance.

  • $0.01/GB pricing
  • 114 PoPs
  • Bunny Optimizer (images)
  • Simple dashboard

🔧 CDN Setup Process

1

Choose Provider

Pick CDN based on needs and budget

2

Add Your Site

Enter domain and configure origin

3

Update DNS

Point DNS to CDN nameservers

4

Configure Cache

Set caching rules and TTLs

⚙️ Cache Configuration

🖼️ Static Assets

Cache images, CSS, JS for long periods.

Cache-Control: max-age=31536000

📄 HTML Pages

Short cache or stale-while-revalidate.

Cache-Control: max-age=3600, stale-while-revalidate=86400

🔌 API Responses

Short or no cache for dynamic content.

Cache-Control: no-cache, private

🔗 CDN & SEO Impact

Core Web Vitals

Faster TTFB and LCP improve CWV scores directly impacting rankings.

+20-40% LCP
📊

Crawl Budget

Faster response times allow Googlebot to crawl more pages.

2x Crawl Rate
📈

User Experience

Better UX metrics signal quality to search engines.

-30% Bounce Rate

📋 CDN Setup Checklist

Initial Setup

Configuration

Testing