mozilla / Speedometer

Intro

For duplication, we look at places in code where there are 6 or more lines of code that are exactly the same.
Before duplication is calculated, the code is cleaned to remove empty lines, comments, and frequently duplicated constructs such as imports.
You should aim at having as little as possible (<5%) of duplicated code as high-level of duplication can lead to maintenance difficulties, poor factoring, and logical contradictions.

Learn more...

Duplication Overall

59% duplication:

65,564 cleaned lines of cleaned code (without empty lines, comments, and frequently duplicated constructs such as imports)
39,224 duplicated lines

98,324 duplicates

dependency graphs: 2D graph | 3D graph | 3D graph (with duplicates)...

Duplication per Extension

Duplication per Component (primary)

Duplication Between Components (50+ lines)

Download: SVG DOT (open online Graphviz editor)

From Component --> To Component	Duplicated Lines	File Pairs	Details
experimental (93%) --> resources (<1%)	1199	14 file pairs	details...

Open 2D force graph... Open 3D force graph...

Show more details on duplication between components...

Longest Duplicates

The list of 50 longest duplicates.

See data for all 98,324 duplicates...

Size	#	Folders	Files	Lines	Code
5883	x 2	resources/newssite/news-next/src/data/en resources/newssite/news-nuxt/data/en	content.js content.js	1:6685 (100%) 1:6685 (100%)	view
5875	x 2	resources/newssite/news-next/src/data/ar resources/newssite/news-nuxt/data/ar	content.js content.js	1:6677 (100%) 1:6677 (100%)	view
5869	x 2	resources/newssite/news-next/src/data/jp resources/newssite/news-nuxt/data/jp	content.js content.js	1:6671 (100%) 1:6671 (100%)	view
164	x 2	experimental/todomvc-localstorage/src resources/todomvc/vanill...ples/javascript-es5/src	view.js view.js	3:215 (100%) 3:215 (100%)	view
149	x 2	experimental/todomvc-localstorage/src resources/todomvc/vanill...ples/javascript-es5/src	controller.js controller.js	1:266 (100%) 1:266 (100%)	view
103	x 2	resources/editors resources/editors	codemirror.html tiptap.html	14:131 (57%) 10:127 (60%)	view
58	x 2	experimental/todomvc-localstorage/src resources/todomvc/vanill...ples/javascript-es5/src	template.js template.js	2:112 (100%) 2:112 (100%)	view
55	x 2	resources/editors resources/editors	codemirror.html tiptap.html	144:203 (30%) 134:193 (32%)	view
54	x 2	experimental/todomvc-localstorage/src resources/todomvc/vanill...ples/javascript-es5/src	model.js model.js	1:119 (100%) 1:119 (100%)	view
44	x 2	resources/newssite/news-next/src/data/ar resources/newssite/news-nuxt/data/ar	links.js links.js	1:46 (100%) 1:46 (100%)	view
44	x 2	resources/newssite/news-next/src/data/en resources/newssite/news-nuxt/data/en	links.js links.js	1:46 (100%) 1:46 (100%)	view
44	x 2	resources/newssite/news-next/src/data/jp resources/newssite/news-nuxt/data/jp	links.js links.js	1:46 (100%) 1:46 (100%)	view
42	x 2	experimental/todomvc-localstorage resources/todomvc/vanilla-examples/javascript-es5	index.html index.html	1:53 (100%) 1:53 (100%)	view
37	x 2	resources resources	mjs tests.mjs tests.mjs	860:897 (3%) 913:950 (3%)	view
31	x 2	resources/newssite/news-site-css resources/todomvc/todomvc-css	rollup.config.js rollup.config.js	11:44 (46%) 14:47 (65%)	view
31	x 2	experimental/todomvc-localstorage/scripts resources/todomvc/vanill.../javascript-es5/scripts	build.js build.js	1:56 (100%) 1:56 (100%)	view
30	x 2	experimental/todomvc-localstorage/src resources/todomvc/vanill...ples/javascript-es5/src	helpers.js helpers.js	2:51 (100%) 2:51 (100%)	view
29	x 2	resources resources	mjs tests.mjs tests.mjs	248:277 (2%) 282:311 (2%)	view
28	x 2	resources resources	mjs tests.mjs tests.mjs	796:824 (2%) 828:856 (2%)	view
27	x 2	resources resources	mjs tests.mjs tests.mjs	498:525 (2%) 589:616 (2%)	view
27	x 2	resources resources	mjs tests.mjs tests.mjs	435:462 (2%) 467:494 (2%)	view
27	x 2	resources resources	mjs tests.mjs tests.mjs	676:703 (2%) 735:762 (2%)	view
26	x 2	resources resources	mjs tests.mjs tests.mjs	706:732 (2%) 765:791 (2%)	view
26	x 2	resources resources	mjs tests.mjs tests.mjs	316:342 (2%) 346:372 (2%)	view
26	x 2	resources resources	mjs tests.mjs tests.mjs	405:431 (2%) 736:762 (2%)	view
26	x 2	resources resources	mjs tests.mjs tests.mjs	405:431 (2%) 677:703 (2%)	view
26	x 2	resources resources	mjs tests.mjs tests.mjs	529:555 (2%) 559:585 (2%)	view
26	x 2	resources resources	mjs tests.mjs tests.mjs	529:555 (2%) 590:616 (2%)	view
26	x 2	resources resources	mjs tests.mjs tests.mjs	559:585 (2%) 590:616 (2%)	view
26	x 2	resources resources	mjs tests.mjs tests.mjs	499:525 (2%) 559:585 (2%)	view
26	x 2	resources resources	mjs tests.mjs tests.mjs	499:525 (2%) 529:555 (2%)	view
26	x 2	resources resources	mjs tests.mjs tests.mjs	188:214 (2%) 218:244 (2%)	view
25	x 2	experimental/todomvc-localstorage resources/todomvc/vanill...ascript-es6-webpack/src	index.html index.html	12:45 (59%) 10:43 (75%)	view
25	x 2	resources resources	mjs tests.mjs tests.mjs	678:703 (2%) 766:791 (2%)	view
25	x 2	resources resources	mjs tests.mjs tests.mjs	678:703 (2%) 707:732 (2%)	view
25	x 2	resources/todomvc/vanilla-examples/javascript-es5 resources/todomvc/vanill...ascript-es6-webpack/src	index.html index.html	12:45 (59%) 10:43 (75%)	view
25	x 2	resources resources	mjs tests.mjs tests.mjs	737:762 (2%) 766:791 (2%)	view
25	x 2	resources resources	mjs tests.mjs tests.mjs	707:732 (2%) 737:762 (2%)	view
25	x 2	resources resources	mjs tests.mjs tests.mjs	376:401 (2%) 737:762 (2%)	view
25	x 2	resources resources	mjs tests.mjs tests.mjs	376:401 (2%) 766:791 (2%)	view
25	x 2	resources resources	mjs tests.mjs tests.mjs	376:401 (2%) 707:732 (2%)	view
25	x 2	resources resources	mjs tests.mjs tests.mjs	376:401 (2%) 678:703 (2%)	view
25	x 2	resources resources	mjs tests.mjs tests.mjs	376:401 (2%) 406:431 (2%)	view
25	x 2	resources resources	mjs tests.mjs tests.mjs	128:153 (2%) 158:183 (2%)	view
25	x 2	resources resources	mjs tests.mjs tests.mjs	406:431 (2%) 766:791 (2%)	view
25	x 2	resources resources	mjs tests.mjs tests.mjs	406:431 (2%) 707:732 (2%)	view
24	x 2	resources resources	mjs tests.mjs tests.mjs	620:644 (2%) 649:673 (2%)	view
23	x 2	resources resources	mjs tests.mjs tests.mjs	67:90 (2%) 160:183 (2%)	view
23	x 2	resources resources	mjs tests.mjs tests.mjs	67:90 (2%) 130:153 (2%)	view
23	x 2	resources/newssite/news-next/src/data resources/newssite/news-nuxt/data	index.js index.js	21:43 (100%) 21:43 (100%)	view

Duplicated Units

The list of top 28 duplicated units.

See data for all 28 unit duplicates...

Size	#	Folders	Files	Lines	Code
27	x 2	resources/todomvc/vanill...ples/javascript-es5/src experimental/todomvc-localstorage/src	controller.js controller.js	11:47 11:47	view
18	x 2	resources/todomvc/vanill...ples/javascript-es5/src experimental/todomvc-localstorage/src	template.js template.js	58:82 58:82	view
15	x 2	resources/todomvc/vanill...ples/javascript-es5/src experimental/todomvc-localstorage/src	model.js model.js	96:114 96:114	view
59	x 2	resources/todomvc/vanill...ples/javascript-es5/src experimental/todomvc-localstorage/src	template.js template.js	2:112 2:112	view
11	x 2	resources/todomvc/vanill...ples/javascript-es5/src experimental/todomvc-localstorage/src	model.js model.js	47:60 47:60	view
11	x 2	resources/todomvc/vanill...ples/javascript-es5/src experimental/todomvc-localstorage/src	view.js view.js	15:29 15:29	view
10	x 2	resources/todomvc/vanill...ples/javascript-es5/src experimental/todomvc-localstorage/src	controller.js controller.js	214:226 214:226	view
9	x 2	resources/todomvc/vanill...ples/javascript-es5/src experimental/todomvc-localstorage/src	view.js view.js	60:74 60:74	view
9	x 2	resources/todomvc/vanill...ples/javascript-es5/src experimental/todomvc-localstorage/src	controller.js controller.js	120:131 120:131	view
9	x 2	resources/todomvc/vanill...ples/javascript-es5/src experimental/todomvc-localstorage/src	controller.js controller.js	182:193 182:193	view
8	x 2	resources/todomvc/vanill...ples/javascript-es5/src experimental/todomvc-localstorage/src	template.js template.js	30:39 30:39	view
7	x 2	resources/todomvc/vanill...ples/javascript-es5/src experimental/todomvc-localstorage/src	model.js model.js	20:30 20:30	view
7	x 2	resources/todomvc/vanill...ples/javascript-es5/src experimental/todomvc-localstorage/src	controller.js controller.js	95:105 95:105	view
7	x 2	resources/todomvc/vanill...ples/javascript-es5/src experimental/todomvc-localstorage/src	controller.js controller.js	162:171 162:171	view
7	x 2	resources/todomvc/vanill...ples/javascript-es5/src experimental/todomvc-localstorage/src	controller.js controller.js	199:208 199:208	view
6	x 4	resources/todomvc/vanill...eb-components/src/utils resources/todomvc/archit...examples/preact/src/app resources/todomvc/archit...examples/react/src/todo resources/todomvc/archit...re-examples/lit/src/lib	nanoid.js model.js reducer.js todos.ts	32:41 32:41 32:41 32:41	view
6	x 2	resources/todomvc/vanill...ples/javascript-es5/src experimental/todomvc-localstorage/src	view.js view.js	145:152 145:152	view
14	x 2	resources/todomvc/vanill...ples/javascript-es5/src experimental/todomvc-localstorage/src	app.js app.js	2:25 2:25	view
54	x 2	resources/todomvc/vanill...ples/javascript-es5/src experimental/todomvc-localstorage/src	model.js model.js	1:119 1:119	view
167	x 2	resources/todomvc/vanill...ples/javascript-es5/src experimental/todomvc-localstorage/src	view.js view.js	3:215 3:215	view
9	x 2	resources/todomvc/vanill...ples/javascript-es5/src experimental/todomvc-localstorage/src	view.js view.js	76:90 76:90	view
149	x 2	resources/todomvc/vanill...ples/javascript-es5/src experimental/todomvc-localstorage/src	controller.js controller.js	1:266 1:266	view
29	x 2	resources/todomvc/vanill...ples/javascript-es5/src experimental/todomvc-localstorage/src	helpers.js helpers.js	2:51 2:51	view
9	x 2	resources/todomvc/vanill...ples/javascript-es5/src experimental/todomvc-localstorage/src	helpers.js helpers.js	20:34 20:34	view
37	x 2	resources/todomvc/vanill...ples/javascript-es5/src experimental/todomvc-localstorage/src	view.js view.js	97:136 97:136	view
14	x 2	resources/todomvc/vanill...ples/javascript-es5/src experimental/todomvc-localstorage/src	view.js view.js	143:161 143:161	view
8	x 2	resources/todomvc/vanill...ples/javascript-es5/src experimental/todomvc-localstorage/src	view.js view.js	163:173 163:173	view
34	x 2	resources/todomvc/vanill...ples/javascript-es5/src experimental/todomvc-localstorage/src	view.js view.js	175:210 175:210	view