Select CDN based on user geography and business needs. Configure cache keys, cache rules and security boundaries. Validate hit ratio and origin pull with log scripts.
There are dozens of CDN vendors with wildly different prices and features, so how do you choose? This guide offers a four-step decision method — filter by business type (static, dynamic, video, cross-border), by region coverage, by billing model (traffic, bandwidth, package), and by features (WAF, image optimization, logs) — with a decision table, answering "how do I pick from all these CDN vendors."
From adding an acceleration domain and configuring CNAME and origin rules to setting cache rules and security, this guide covers Tencent Cloud CDN onboarding and configuration.
Self-hosted CDN caching in practice — Nginx proxy cache, Varnish, Apache Traffic Server, and OpenResty compared, with configs and selection advice.
Optimize images with a CDN — WebP/AVIF conversion, resizing and quality control, responsive images, and image CDN practice to boost loading and LCP.
How HTTP/3 and QUIC accelerate the web — 0-RTT, true multiplexing, connection migration, and no head-of-line blocking, plus CDN and origin deployment tips.
From configuring backend services and choosing cache modes to setting signed URLs and quotas, this guide covers Google Cloud CDN global caching.
How DNS smart resolution and CDN routing work — GSLB, geographic and ISP lines, TTL, Anycast, and DNS-based splitting for faster nearby access.
A deep dive into the CDN request chain — edge nodes, origin fetch, cache hits, Anycast, and global delivery, with practical deployment advice from 16IDC.
CDN cache purging (Purge) and preheating (Preload) in practice — single-file, full, tag, and prefix purging, URL batching, automation, and best practices.
From creating a Front Door and configuring routes and health probes to attaching custom domains and WAF policies, this guide covers Azure Front Door global acceleration.
Learn how to configure AWS CloudFront from creating a distribution and setting origins and cache behaviors to attaching HTTPS certificates and running invalidations.
From adding an acceleration domain and configuring CNAME and HTTPS to setting up purge/preheat and origin rules, this guide covers Alibaba Cloud CDN onboarding and daily ops.