net/http.ResponseWriter.Header
standard libraryThe 140th most-called standard-library method by production calls. Called 20,547 times across 571 modules; 7,184 of those run outside tests and generated code.
- prod calls
- 7,184
- non-test, non-generated
- all calls
- 20,547
- total callsites
- modules
- 571
- distinct callers
- in loop
- 4%
- of prod calls
- in tests
- 63%
- 12,959 calls
- resolved
- 1%
- to a known target
resolution mix
How each call resolves
How each call was attributed. Only resolved kinds, where the target function is known, count toward the ranking. Interface dispatch and unresolved receivers are reported separately and never guessed. Read the taxonomy →
- Embedded method1%Reached through an embedded type.
- Interface method99%Called through an interface. The runtime target may differ.
who calls this
Notable callers
Production calls into ResponseWriter.Header from notable Go projects. Open one on the map to see what else it hammers.
- Kubernetes 309 4%
- VictoriaMetrics 244 3%
- Tailscale 215 3%
- MinIO 195 3%
- Grafana 182 3%
where it's called
Callsites in the wild
12 representative callsites of 20,547, prioritizing in-loop and non-test usage. We link to source, never display it.
- in loop
- in loop
-
connectrpc.com/connect @v1.20.0
protocol_grpc.go:569
in loop -
hashicorp/consul @v1.22.7
in loop - in loop
- in loop
-
moby/moby @v28.5.2+incompatible
in loop - in loop
-
gitea.dev @v1.27.1
services/context/context_cookie.go:23
in loop - in loop
- in loop
- in loop
top callers
The modules that reach for it
The modules that call ResponseWriter.Header most in this snapshot.
- github.com/IBM/platform-services-go-sdk1,2976%
- github.com/IBM/networking-go-sdk1,2896%
- github.com/IBM/vpc-go-sdk1,2126%
- github.com/gophercloud/gophercloud1,0045%
- github.com/cloudflare/cloudflare-go9124%
siblings
More from net/http
The other most-called members in this package. See all →