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by geocar 502 days ago
Is this a CSP thing? Can you get away with https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Re... and window.onerror?

Also, do you actually need the HAR file? or just a log of your servers' inputs/outputs from the clients' perspective? You can get that The Boring Way if you don't have a CSP issue, so maybe solve that issue?