Welcome to Craft Conference 2026
You unlocked
Cool Stickers!
Show This page at the ConfigCat Booth in the sponsor arena to get your reward
Matched Group
You were assigned to General Rollout group group
Only
75%
of visitors get this result.
What just happened?
We used a real ConfigCat feature flag to decide what each visitor sees on this page. Based on a percentage option,
your session was assigned to a group in real time.
Same codebase, different experiences - controlled dynamically with feature flags
The feature flag in action
Feature flags for modern teams
Release safely, target users, and change features without redeploying code. Avoid long-lived feature branches and merge hell.
craftConferenceSwagGiveaway ON
Early Access
(socks)
(socks)
5%
100 visitors
Rollout
(sunglasses)
(sunglasses)
20%
400 visitors
Control Group
(stickers)
(stickers)
75%
1,500 visitors
You've reached the post-rollout experience
The Craft Conference rollout game is over, but the feature flag is still on.
ConfigCat.js
const client = configcat.getClient("#SDK-KEY#"); const darkMode = await client.getValueAsync("darkMode", false); const salesMode = await client.getValueAsync("salesMode", false); const snowEnabled = await client.getValueAsync("snowEnabled", false); if (darkMode) { enableDarkTheme(); } if (salesMode) { showSalesBanner(); } if (snowEnabled) { startSnowAnimation(); }const client = configcat.getClient("#SDK-KEY#"); const darkMode = await client.getValueAsync("darkMode", false); const salesMode = await client.getValueAsync("salesMode", false); const snowEnabled = await client.getValueAsync("snowEnabled", false); if (darkMode) {enableDarkTheme();} if (salesMode) {showSalesBanner();} if (snowEnabled) {startSnowAnimation();}
All Feature Flags 
Dark mode
Sales mode
Holiday mode
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