caddyserver/caddy

Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS

Go★ 76,652+24 that day#4 on trendingD 51.3 health5.57% duplicated

Analyzed October 5, 2026 at 8507b63 (master) with jscpd v5 in 1.0s.

D51.3/100

Project health116,427 lines of code (L)

Duplication63

5.7% in go, bash, perl

Dead coden/a

the languages dead code reads are under 5% of the code

Complexity42

64%

Most complex files

modules/caddyhttp/reverseproxy/caddyfile.go452 cx
caddyconfig/httpcaddyfile/httptype.go443 cx
modules/caddyhttp/reverseproxy/reverseproxy.go375 cx
caddyconfig/httpcaddyfile/tlsapp.go340 cx
modules/caddyhttp/matchers.go311 cx
caddyconfig/httpcaddyfile/builtins.go248 cx
modules/caddyhttp/server.go247 cx
admin.go243 cx
modules/caddyhttp/reverseproxy/selectionpolicies_test.go227 cx
modules/caddytls/connpolicy.go226 cx

Dead code 0% unused · 0 findings

No dead code found — everything here is reachable.

397files

125,184lines

663,193tokens

547clones

6,969duplicated lines (5.57%)

43,697duplicated tokens (6.59%)

By format

Format	Files	Lines	Clones	Duplicated lines	Duplication
go	358	115,640	508	6,605	5.71%
markup	2	2,661	31	217	8.15%
yaml	13	2,034	5	69	3.39%
txt	6	367	3	78	21.25%
css	1	2,836	0	0	0%
markdown	6	777	0	0	0%
bash	10	701	0	0	0%
perl	1	168	0	0	0%

Largest clones

127 lines · 479 tokens golisteners_test.go:236–362⇆listeners_test.go:362–488
67 lines · 469 tokens gomodules/caddyhttp/metrics_test.go:36–102⇆modules/caddyhttp/metrics_test.go:210–276
12 lines · 357 tokens gocaddyconfig/caddyfile/parse_test.go:783–794⇆caddyconfig/caddyfile/parse_test.go:886–898
17 lines · 289 tokens gocaddyconfig/httpcaddyfile/httptype_test.go:91–107⇆caddyconfig/httpcaddyfile/httptype_test.go:234–249
16 lines · 286 tokens gocaddyconfig/httpcaddyfile/builtins_test.go:259–274⇆caddyconfig/httpcaddyfile/httptype_test.go:91–107
17 lines · 270 tokens gocaddyconfig/httpcaddyfile/builtins_test.go:322–338⇆caddyconfig/httpcaddyfile/builtins_test.go:395–411
50 lines · 269 tokens gomodules/caddyhttp/celmatcher.go:757–806⇆modules/caddyhttp/fileserver/matcher.go:665–714
44 lines · 269 tokens gomodules/caddyhttp/reverseproxy/selectionpolicies_test.go:345–388⇆modules/caddyhttp/reverseproxy/selectionpolicies_test.go:488–531
42 lines · 248 tokens gomodules/caddyhttp/reverseproxy/caddyfile.go:1555–1596⇆modules/caddyhttp/reverseproxy/caddyfile.go:1655–1696
48 lines · 241 tokens gocaddytest/integration/reverseproxy_test.go:457–504⇆caddytest/integration/reverseproxy_test.go:515–562

Trending appearances

Day	Rank	Stars	Files	Lines	Clones	Duplication	Health	Commit
Oct 5, 2026	#4	76,652 (+24)	397	125,184	547	5.57%	D 51.3	`8507b63`

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