Checklist · CDN & Edge
CDN & Edge launch checklist — Step by Step 2026
Launching a CDN or edge computing service requires careful planning and execution. This checklist provides a step-by-step guide to ensure a successful launch, covering essential aspects such as performance optimization, security considerations, and global reach. We'll address common pain points such as cache invalidation strategies and DDoS mitigation.
Phase 01
Planning & Infrastructure
- 1.1high1 day
Define Target Audience & Use Cases
Identify your ideal customer profile (developers, platform teams) and their primary use cases (static content, video streaming, edge functions).
- 1.2critical2 days
Select CDN Architecture
Choose a CDN architecture that aligns with your needs (e.g., pull-based, push-based, hybrid). Consider using Terraform to automate infrastructure provisioning.
- 1.3critical3 days
Choose CDN Provider(s)
Evaluate CDN providers like Cloudflare, Fastly, or BunnyCDN based on features, pricing, and performance. Consider multi-CDN strategy for redundancy.
- 1.4high2 days
Provision Edge Servers
Provision edge servers in geographically diverse locations to minimize latency. Use tools like AWS CloudFront or Azure CDN for global coverage.
- 1.5critical1 day
Configure DNS Records
Configure DNS records (CNAME, A records) to point to your CDN. Use a DNS provider with low latency and DDoS protection.
- 1.6high2 days
Set up Monitoring & Alerting
Implement monitoring and alerting using tools like Prometheus and Grafana to track CDN performance and identify issues.
- 1.7medium2 days
Implement Load Balancing
Configure load balancing across multiple edge servers to ensure high availability and handle traffic spikes. Use tools like HAProxy.
- 1.8high2 days
Configure Origin Server
Optimize your origin server for efficient content delivery. Use caching mechanisms and compression techniques.
- 1.9medium1 day
Plan for Capacity Scaling
Develop a plan for scaling your CDN infrastructure to accommodate future growth and traffic demands.
- 1.10high1 day
Establish a Budget
Define a budget for CDN infrastructure, bandwidth, and other related costs. Consider the cost implications of various CDN features.
Phase 02
Security Hardening
- 2.1critical1 day
Implement SSL/TLS Encryption
Secure all traffic with SSL/TLS encryption. Obtain SSL certificates from a trusted Certificate Authority or use Let's Encrypt.
- 2.2critical2 days
Configure DDoS Protection
Implement DDoS protection mechanisms to mitigate attacks. Use Cloudflare or Akamai for comprehensive DDoS mitigation.
- 2.3high2 days
Set up Web Application Firewall (WAF)
Deploy a WAF to protect against common web application vulnerabilities like SQL injection and cross-site scripting. Consider using ModSecurity.
- 2.4medium1 day
Implement Rate Limiting
Configure rate limiting to prevent abuse and protect against brute-force attacks. Use Nginx's limit_req module.
- 2.5medium1 day
Enable Hotlink Protection
Prevent hotlinking to protect your bandwidth and content. Configure your CDN to block requests from unauthorized domains.
- 2.6low1 day
Implement Geo-Blocking
Restrict access to your content based on geographic location. Use your CDN's geo-blocking feature.
- 2.7medium3 days
Regular Security Audits
Conduct regular security audits and penetration testing to identify and address vulnerabilities.
- 2.8high1 day
Implement Access Control
Implement strict access control policies to limit access to your CDN management interface.
- 2.9high2 days
Monitor Security Logs
Monitor security logs for suspicious activity and potential security breaches. Use tools like Splunk or ELK stack.
- 2.10high1 day
Keep Software Up-to-Date
Keep all software and libraries up-to-date to patch security vulnerabilities. Use automated update tools.
Phase 03
Performance Optimization
- 3.1critical2 days
Configure Caching Policies
Define appropriate caching policies for different types of content. Use Cache-Control headers effectively.
- 3.2high1 day
Enable Compression
Enable compression (Gzip, Brotli) to reduce the size of transmitted content. Configure your CDN to compress content automatically.
- 3.3high2 days
Optimize Images
Optimize images for web delivery. Use tools like ImageMagick or TinyPNG to compress and resize images.
- 3.4medium1 day
Minify CSS and JavaScript
Minify CSS and JavaScript files to reduce their size. Use tools like UglifyJS or CSSNano.
- 3.5high1 day
Leverage Browser Caching
Leverage browser caching to reduce the number of requests to your CDN. Set appropriate Expires headers.
- 3.6high1 day
Implement HTTP/2 or HTTP/3
Enable HTTP/2 or HTTP/3 for improved performance. Most CDN providers support these protocols.
- 3.7medium1 day
Optimize DNS Resolution
Ensure fast DNS resolution by using a reliable DNS provider and configuring DNS prefetching.
- 3.8high2 days
Monitor Performance Metrics
Monitor key performance metrics like latency, throughput, and error rates. Use tools like New Relic or Datadog.
- 3.9medium1 day
Test CDN Performance
Test CDN performance from different geographic locations using tools like WebPageTest or GTmetrix.
- 3.10medium2 days
Optimize for Mobile Devices
Optimize your CDN for mobile devices by using responsive images and adaptive delivery techniques.
Phase 04
Testing & Validation
- 4.1high2 days
Functional Testing
Verify that all features and functionalities of your CDN are working as expected. Test cache invalidation, edge functions, and other features.
- 4.2high3 days
Performance Testing
Conduct performance testing to measure latency, throughput, and other performance metrics under various load conditions. Use tools like JMeter.
- 4.3high3 days
Security Testing
Perform security testing to identify vulnerabilities and ensure that your CDN is protected against attacks. Use tools like OWASP ZAP.
- 4.4medium2 days
Load Testing
Conduct load testing to simulate high traffic volumes and ensure that your CDN can handle the load. Use tools like Locust.
- 4.5medium2 days
Failover Testing
Test failover mechanisms to ensure that your CDN can continue to operate in the event of a failure. Simulate server outages.
- 4.6high1 day
Cache Hit Ratio Testing
Monitor and optimize your cache hit ratio to improve performance and reduce origin server load. Use CDN analytics tools.
- 4.7medium2 days
Geo-Redundancy Testing
Test geo-redundancy to ensure that your CDN can serve content from different geographic regions in the event of a regional outage.
- 4.8medium1 day
Mobile Testing
Test your CDN on mobile devices to ensure that it delivers content efficiently and effectively. Use mobile testing tools.
- 4.9low1 day
Cross-Browser Testing
Test your CDN on different web browsers to ensure compatibility and consistent performance. Use browser testing tools.
- 4.10medium2 days
Regression Testing
Perform regression testing after making changes to your CDN to ensure that the changes have not introduced any new issues.
Phase 05
Launch & Monitoring
- 5.1criticalOngoing
Monitor CDN Performance
Continuously monitor CDN performance metrics like latency, throughput, and error rates. Use real-time monitoring tools.
- 5.2highWeekly
Analyze CDN Logs
Analyze CDN logs to identify performance bottlenecks and security threats. Use log analysis tools.
- 5.3criticalAs Needed
Respond to Incidents
Establish a process for responding to incidents and resolving issues promptly. Use incident management tools.
- 5.4highMonthly
Optimize Caching Strategies
Continuously optimize caching strategies to improve cache hit ratios and reduce origin server load. Use A/B testing.
- 5.5mediumMonthly
Scale Infrastructure as Needed
Scale CDN infrastructure as needed to accommodate traffic growth and changing requirements. Automate scaling processes.
- 5.6highQuarterly
Review Security Posture
Periodically review the security posture of your CDN and implement necessary security enhancements. Conduct penetration testing.
- 5.7highMonthly
Update Software and Libraries
Keep all software and libraries up-to-date to patch security vulnerabilities and improve performance. Use automated update tools.
- 5.8mediumAs Needed
Communicate with Users
Communicate with users about CDN performance and any planned maintenance activities. Use status pages.
- 5.9highMonthly
Track Costs and Usage
Track CDN costs and usage to optimize spending and identify areas for improvement. Use cost management tools.
- 5.10lowOngoing
Stay Up-to-Date
Stay up-to-date with the latest CDN technologies and best practices. Attend industry conferences and read relevant publications.
Pro tips
- Regularly purge your CDN cache to ensure that users are always seeing the latest content. Use cache invalidation APIs provided by your CDN provider or consider using a service like Fastly's Instant Purge.
- Leverage edge functions to execute code at the edge of the network. This can improve performance and reduce latency. Vercel and Cloudflare Workers are popular options.
- Implement a robust monitoring system to track CDN performance and identify potential issues. Use tools like Datadog or New Relic to monitor key metrics.
- Optimize your images for web delivery to reduce file sizes and improve page load times. Use tools like ImageOptim or TinyPNG.
- Consider using a multi-CDN strategy to improve redundancy and availability. Distribute your content across multiple CDN providers like Cloudflare, Akamai and BunnyCDN.