When a security header blocks your own app
I had added a Content Security Policy to the app with script-src set to 'self'. The idea is sound: the browser runs scripts that come from my own domain and refuses everything else. I checked that the header was present on the live site, marked the item as done in my notes and moved on. SvelteKit s…
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- 2026-11-14 15:09 · DEV Community — AI
When a security header blocks your own app