Client response
- resp.body_bytes_written —Total HTTP body bytes written to the client
- resp.bytes_written —Total bytes written to the client
- resp.completed —Whether the request completed
- resp.header_bytes_written —Total HTTP header bytes written to the client
- resp.headers —Collection of HTTP headers sent to the client
- resp.http.{NAME} —HTTP headers by name sent to the client
- resp.is_locally_generated —Whether request handling went through vcl_error
- resp.proto —HTTP protocol and version sent to the client
- resp.response —HTTP response phrase sent to the client
- resp.status —HTTP status code sent to the client
- time.to_first_byte —Time since the request started up to entering
vcl_deliver
