Timing-Allow-Origin Header

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About

The HTTP Timing-Allow-Origin response header specifies origins that are allowed to see values of attributes retrieved via features of the Resource Timing API , which would otherwise be reported as zero due to cross-origin restrictions1.

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References

  1. MDN. “Timing-Allow-Origin header”. Available at: https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Timing-Allow-Origin . (Accessed: [2025-05-17 Sat 15:56]). ↩︎

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