Cloudflare Workers
Serverless functions on Cloudflare’s global edge with near-zero cold starts.
Pricing
Free tier
Usage-based
Adoption
→StableLicense
Proprietary
Data freshness
UnverifiedOverview
What is Cloudflare Workers?
Cloudflare Workers run serverless JavaScript/WASM at the edge in 300+ cities with V8 isolates (near-zero cold start), plus KV, D1, R2, and Durable Objects.
Key differentiator
“Edge serverless with near-zero cold starts across a huge global network.”
Capability profile
Capability Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
V8 isolates start in <5ms vs container cold starts
Runs in 300+ cities for low latency worldwide
KV, D1 (SQLite), R2 storage, and Durable Objects
↓ Weaknesses
CPU/time limits and no full Node APIs
Edge-first architecture differs from traditional servers
Fit analysis
Who is it for?
✓ Best for
Low-latency global APIs and middleware
Edge execution with tiny cold starts
Edge-native apps
Integrated KV/D1/R2 at the edge
Cost structure
Pricing
Free Tier
Available
100,000 requests/day free
Starts at
$5/mo
Model
Usage-based
Enterprise
Available
Performance benchmarks
How Fast Is It?
Ecosystem
Relationships
Next step
Get Started with Cloudflare Workers
Step-by-step setup guide with code examples and common gotchas.