CDN Edge Caching Simulator

Visual cache slots, SWR background revalidation, LRU eviction, and Content Catalog tracker.

t = 0.0s

Speed Seed

Preset Scenarios

TTL 60s

Cache capacity / PoP 20

Unique content items 40

Stale-While-Revalidate

Global request rate 120 rps

Popularity skew 1.2

US East 1.0x

Europe 1.0x

Asia 1.0x

S. America 1.0x

cache hit (fresh) stale/revalidating empty slot miss / error / expired request in transit

Global hit ratio

Origin load

0 rps

Avg latency

0ms

Bandwidth saved

Shield hit ratio

Stale serve rate

Entity	State	Cache Fill

Tip

Click a PoP, shield, or origin to pin details here.

Interaction

Drag any node to reposition it on the canvas.