List of top US-focused social bookmarking sites

list of top US-focused social bookmarking sites, each with a brief description to help you understand where your link will live and which audiences you can reach:

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Here's a clear table with serial numbers, non-clickable website URLs, and estimated domain authority (DA) for the platforms you provided:

SR	Site	Website URL	Domain Authority
1	Reddit	reddit.com	99
2	Pinterest	pinterest.com	94
3	Scoop.it	scoop.it	78
4	Digg	digg.com	91
5	Mix	mix.com	77
6	Diigo	diigo.com	85
7	Flipboard	flipboard.com	90
8	Tumblr	tumblr.com	94
9	Plurk	plurk.com	56
10	Bloglovin	bloglovin.com	82
11	Slashdot	slashdot.org	84
12	Fark	fark.com	62
13	Sitejot	sitejot.com	35
14	Instapaper	instapaper.com	88
15	Meetup	meetup.com	83
16	Bibsonomy	bibsonomy.org	45
17	Feedly	feedly.com	92
18	DZone	dzone.com	86
19	Evernote	evernote.com	91
20	Blinklist	blinklist.com	52
21	Trello	trello.com	93
22	Medium	medium.com	95
23	LiveJournal	livejournal.com	89
24	Pearltrees	pearltrees.com	54
25	Netvouz	netvouz.com	38
26	Linkatopia	linkatopia.com	34
27	WeHeartIt	weheartit.com	53
28	Delicious	delicious.com	74
29	Aweblist	aweblist.org	46
30	JustPaste.it	justpaste.it	62
31	Bookmark4You	bookmark4you.com	41
32	SocialBookmarkingSites	socialbookmarkingsites.com	46
33	DotNetKicks	dotnetkicks.com	52
34	BlogEngage	blogengage.com	54
35	Elgg	elgg.org	52
36	BlogMarks	blogmarks.net	48
37	Folkd	folkd.com	53
38	MyVidster	myvidster.com	40
39	Storeboard	storeboard.com	70
40	Storypick	storypick.com	51
41	Backlinkr	backlinkr.com	29
42	Techdirt	techdirt.com	66
43	GrowthHackers	growthhackers.com	76
44	AllTop	alltop.com	71
45	Zetaboards	zetaboards.com	39
46	Listly	listly.com	65