Learn FASTLY-COMPUTE-EDGE with Real Code Examples

Edge nodes distributed globally

Serverless runtime executing WebAssembly modules

Integration with Fastly CDN for caching and routing

Edge logic executed on HTTP request/response events

Observability via Fastly logging and metrics

Client sends HTTP request -> edge node receives request

Edge function executes logic (modify headers, cache, personalize)

Cache or fetch from origin if needed

Send response back to client

Logs and metrics collected for monitoring

Event-driven edge functions

Stateless execution per request

Integration with CDN caching and routing

WebAssembly-based runtime

Observability via logging and metrics

Personalized landing pages at edge

Edge-based security header injection

API response caching for high-traffic apps

A/B testing without origin load

Edge content transformation for images and JSON

Run code at the edge for ultra-low latency

Serverless and stateless by design

Integrate tightly with CDN caching and routing

High-performance WebAssembly runtimes

Automatic scaling and global distribution

Functions automatically run on all edge nodes

Stateless design allows unlimited concurrency

Optimize cache TTL for performance

Split heavy workloads into multiple functions

Monitor edge metrics to optimize latency and throughput

Migrate CDN logic from origin to edge functions

Convert server-side code to WebAssembly-compatible runtime

Test function on staging service

Deploy globally at Fastly edge

Monitor logs, cache, and performance metrics