demo · v133
Timeline decoder
Pick a response scenario — plain 200, early-hints 103 + 200, slow first-byte 504 — and read what each Resource Timing field returns under the original Chrome behaviour, the now-reverted attempt, and the 133 final state. The timeline bar shows the relative durations.
requestStart → first byte
first response (103)
final response headers
body bytes
| field | orig Chrome <130 | reverted attempt | Chrome 133+ (final) |
|---|---|---|---|
responseStart | — | — | — |
firstInterimResponseStart | — | — | — |
finalResponseHeadersStart | — | — | — |