OpenTelemetry でブラウザを計装する方法が公式ドキュメントに書かれていて、その中に次のような記述がある。 opentelemetry.io <!-- https://www.w3.org/TR/trace-context/ Set the `traceparent` in the server's HTML template code. It should be dynamically generated server side to have the server's request trace ID, a parent span ID that was set on the server's request span, and the trace flags to indicate the server's sampling decision (01 = sampled,

