Image Optimization with a CDN: A Practical Delivery Guide
Create a reliable image delivery workflow with responsive sources, intentional loading priority, visual quality checks, and predictable caching.
Ideas for a better internet experience
The Edge Journal
Practical, considered guides to content delivery. Understand the fundamentals, make better decisions, and keep learning as you build.
10In-depth guides
Five connected topics
Five connected topics
Journal guides
CDN vs Web Hosting: What Each Does for Your Website
Compare origin hosting and distributed delivery through practical static-site, CMS, and application examples, with a clear process for choosing a setup.
What Is a CDN? A Practical Guide to Content Delivery
Follow a request from browser to edge and origin, then learn which content is safe to cache and what to verify before expanding CDN coverage.
CDN Caching and Cache-Control: A Practical Guide
Build safer cache policies with clear freshness windows, accurate validators, predictable cache keys, and practical checks for private responses.
CDN DDoS Protection: What It Covers and How to Prepare
Plan DDoS resilience around protected traffic paths, origin capacity, careful limits, and a response process that keeps users in view.
CDN costs: build a bandwidth and request budget
Turn traffic, cache behavior, and billing rules into a CDN budget you can explain and maintain.
Multi-CDN strategy: design for a tested recovery
Decide when a second CDN is useful, then verify routing, cache readiness, security, and recovery under realistic conditions.
CDNs and Core Web Vitals: What Improves and What Still Needs Work
Connect CDN changes to LCP, INP, and CLS with a practical plan for caching, image delivery, lab diagnosis, and real visitor measurement.
Secure CDN Setup: HTTPS, Origin Access, and WAF Rules
Connect HTTPS, origin restrictions, and WAF policies into a secure CDN configuration that protects real user workflows.
Cache Invalidation: Publish Updates Without Surprises
Use versioned assets, dependency manifests, and targeted purges to publish updates reliably across edge, browser, and application caches.