Fastly
Fastly is a cloud-based content delivery network (CDN) and edge computing platform that accelerates web content delivery, enhances security, and provides real-time analytics. It operates as a reverse proxy, caching content at edge servers globally to reduce latency and improve performance for websites and applications. The platform is known for its real-time purging capabilities, programmable edge logic via Varnish Configuration Language (VCL), and integration with modern development workflows.
Developers should use Fastly when building high-traffic websites, e-commerce platforms, or applications requiring low-latency content delivery, such as media streaming or API acceleration. It is particularly valuable for scenarios needing real-time cache invalidation, edge-side logic for A/B testing or personalization, and robust security features like DDoS protection and web application firewalls. Fastly's programmable edge allows for custom optimizations, making it ideal for DevOps teams seeking granular control over caching and performance.