CSP for Split.io Feature Flags
Split.io is easy to miss in a CSP until your flags stop loading and your app quietly falls back to defaults. I’ve seen this happen a lot: the SDK loads fine from your own bundle, but CSP blocks the network calls Split needs for streaming, polling, or event tracking. The result is subtle. No obvious crash, just “why are all my feature flags off in production?” This guide is the copy-paste version for getting Split.io working with Content Security Policy. ...