FabricFabricExperiments
Reference

Web SDK reference

Browser SDK purpose, size budget, and tested behavior.

Package: @fabricorg/experiments-web

The web SDK is the browser delivery layer. It fetches manifests, assigns users, persists sticky decisions, applies variants, and emits exposure events.

Current size budget: less than 8 KB gzipped. M5.1 observed size: about 1.78 KB gzipped.

Validation commands:

pnpm --filter @fabricorg/experiments-web test
pnpm --filter @fabricorg/experiments-web run test:browser
pnpm --filter @fabricorg/experiments-web size

CLI reference

Common fx commands for local and hosted workflows.

Web adapters

Pluggable exposure adapters for Snowplow, GA4, and GTM dataLayer.