The Morphing Storefront
Variant A Experience
This product card adapts based on your edge-assigned bucket.
Flash Sale — Only 3 Left
AeroMax Pro
Premium noise-cancelling wireless headphones, 40h battery
$299.99$239.99
Edge Request Lifecycle
Visualizer
Trace how each request flows through the Fastly Compute edge.
User Browser
GET / + Cookie
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Fastly Edge POP
Compute Service
Parse Cookie
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Assign Bucket
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Synth HTML
Path A
Flash Sale
Path B
Free Shipping
Origin Server
Bypassed — 0ms cost
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Client View
Variant A rendered