In ARC, a device is a way of turning what is under an AFS directory into a surface for something else to see.

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Web Device: Declare a Website, Then Pick the Right Path

EngineeringJul 31, 2026

Web Device: Declare a Website, Then Pick the Right Path

Web Device is one of ARC's core capabilities: declare a .web/ folder anywhere in AFS, and the data and AUP under it get rendered server-side into a website, SEO checks, broken-link detection, and visitor analytics included for free. This piece covers how it differs from UI Device (/dev/ui/web), how to use it, and which situations call for which.