net/http.Handler.ServeHTTP
standard libraryThe 390th most-called standard-library method by production calls. Called 5,891 times across 329 modules; 2,217 of those run outside tests and generated code.
0% in production calls vs 2026-W37 (2,227 → 2,217)
- prod calls
- 2,217
- non-test, non-generated
- all calls
- 5,891
- total callsites
- modules
- 329
- distinct callers
- in loop
- 2%
- of prod calls
- in tests
- 58%
- 3,435 calls
- resolved
- 4%
- 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 method4%Reached through an embedded type.
- Interface method96%Called through an interface. The runtime target may differ.
- Method value<1%A method captured as a value, then called.
who calls this
Notable callers
Production calls into Handler.ServeHTTP from notable Go projects. Open one on the map to see what else it hammers.
- Kubernetes 235 11%
- Traefik 139 6%
- Grafana 73 3%
- Harbor 47 2%
- Vault 40 2%
where it's called
Callsites in the wild
12 representative callsites of 5,891, prioritizing in-loop and non-test usage. We link to source, never display it.
- in loop
- in loop
-
fsouza/fake-gcs-server @v1.56.1
in loop - in loop
- in loop
- in loop
- in loop
-
gorilla/handlers @v1.5.2
in loop - in loop
-
ipfs/kubo @v0.43.1
in loop - in loop
- in loop
top callers
The modules that reach for it
The modules that call Handler.ServeHTTP most in this snapshot.
- github.com/hashicorp/consul3005%
- github.com/owncast/owncast2444%
- github.com/traefik/traefik/v32324%
- github.com/quii/learn-go-with-tests2184%
- github.com/navidrome/navidrome2124%
siblings
More from net/http
The other most-called members in this package. See all →