Hey guys, we are sending 1 million requests per day despite only having 5k DAU and our feature flags never change. How can we reduce the number of requests to something more reasonable like 100k per day? This unexpectedly costed us $400+ bill last month

Hi! Two things: •

loadFeatures

is deprecated. You should use

init

instead. • With

init

, you can then set

streaming: false

. Those SSEs are because of streaming, which is for realtime feature updates. Setting this to false will greatly reduce your CDN calls. Additionally, you can then also implement more aggressive caching with this: https://docs.growthbook.io/lib/js#caching

thank you @strong-mouse-55694! What's diff between

const growthbook = new GrowthBook({
    apiHost: "<https://cdn.growthbook.io>",
    clientKey,
    backgroundSync: false, 
  });

and

growthbook.init({streaming:false})

? Also do we need to keep

setInterval(
    () => {
      growthbook.refreshFeatures();
    },
    1000 * 60 * 15
  );

if we want to make sure the feature flag are not too stale right? Or can we remove this and rely on cache being stale?

The first code instantiated the GrowthBook class and the second runs the init method, which is where features are fetched. For the feature caching, see the doc I linked. It shows the default caching values and provides an object for configuring if needed. I wouldn't do it with setInterval. Also, what kind of app is this?

Thanks for the clarification! it's a chrome extension.

backgroundsync

is deprecated.