It is great to use social bookmarking sites for the purpose of Search Engine Optimization if you want to see your website at the top rank in search results in Google and other search engines. Here is a list of the top 180 social bookmarking websites. Click the link to reach the list of social bookmarking sites with their Domain Authority.

Free Social Bookmarking Sites Name     DA

http://oppnads.com/            ( Classifieds Ads Site)

https://www.oppnmedia.com/ (Education Portal)

1.          https://www.twitter.com         100.00

 2.          https://www.facebook.com     100.00

3.            https://www.plus.google.com 100.00

4.            https://www.pinterest.com     100.00

5.            http://www.reddit.com              99.47

6.            http://www.stumbleupon.com  97.85

7.            https://getpocket.com/                96.07

8.            https://www.tumblr.com              99.52

9.            http://www.scoop.it                      89.84

10.         http://www.slashdot.org             94.71

11.         http://www.fark.com                  78.91

12.         http://www.bibsonomy.org/      69.18

13.         http://www.pearltrees.com        81.01

14.         http://www.diigo.com  88.20

15.         http://www.bizsugar.com/    68.22

16.         http://www.webseoexpertservices.com 35.42

17.         https://www.Technorati.com    97.19

18.         https://plurk.com   86.63

19.         http://www.actweb-sport.com 86.63

20.         http://www.dzone.com    83.16

21.         http://www.socialbookmarkingeasy.com/ 25.92

22.         http://folkd.com    79.49

23.         https://www.bloglovin.com/    89.21

24.         http://www.sociopost.com 33.11

25.         http://www.klinkk.com 27.00

26.         http://www.linkworld.us    21.52

27.         http://metafilter.com    78.13

28.         http://www.current.com   74.39

29.         http://www.wpdis.co/    62.11

30.         http://www.svejo.net 57.08

31.         http://www.altervista.org  70.77

32.         http://www.stylehive.com   51.27

33.         http://www.a1-webmarks.com 43.13

34.         http://url.org          51.40

35.         http://www.actweb-sport.com/ 29.91

36.         http://www.newsmeback.com 48.67

37.         http://www.bizsugar.com    68.22

38.         http://aixindashi.org/ 34.77

39.         http://www.netvouz.com   65.33

40.         http://www.socialtextjournal.com    16.28

41.         http://www.pusha.se    59.58

42.         http://br.wwwhatsnew.com    65.53

43.         http://blogmarks.net      70.01

44.         http://submitweb.site/ 1.00

45.         http://www.aixindashi.org 34.77

46.         http://registertovotetoday.com 33.00

47.         http://www.Dealigg.com         41.78

48.         http://www.Popscreen.com 49.12

49.         http://www.Jodohkita.info 36.90

50.         http://www.Blogengage.com 49.24

51.         http://www.Beritagar.id 43.13

52.         http://cloudytags.com  43.24

53.         http://www.imcurtain.com 27.51

54.         http://bookmax.net 45.87

55.         http://www.Wirefan.com 38.00

56.         http://www.Myhq.com  52.31

57.         http://www.Freelink.org 37.99

58.         http://www.usefulenglish.net 32.70

59.         http://www.airpim.biz 24.64

60.         https://bdaily.co.uk/ 55.14

61.         http://dropjack.com 41.70

62.         http://www.Linkroll.com 41.00

63.         http://www.Colivia.de 41.17

64.         http://www.Linkatopia.com 37.59

65.         http://www.Allmyfavorites.net   37.04

66.         http://socialmonkee.com             37.91

67.         http://elearningtags.com             28.62

68.         http://www.Bookmark4you.com 40.75

69.         Free Social Bookmarking Sites Name   PR

70.         http://newsmeback.com     3

71.         http://www.Yemle.com       3

72.         http://a2zbookmarks.com   3

73.         http://www.Socialmonkee.com 3

74.         http://www.blokube.com            3

75.         http://cocosislandsnews.info      3

76.         http://www.startaid.com            3

77.         http://milocalbuilder.com    3

78.         http://www.addictionaire.com  3

79.         http://www.bookmarks.wedigg.co.uk   3

80.         http://www.socialdanger.com  3

81.         http://www.deathlyyours.com 3

82.         http://wagg.it 3

83.         http://conseilscreateur.com     3

84.         http://www.edictosonline.com 3

85.         http://www.applesense.com 3

86.         http://solinkable.com 3

87.         http://www.felmausa.com 3

88.         http://www.guter-punkt.info 3

89.         http://www.Openfaves.com 3

90.         http://www.Mysitevote.com 3

91.         http://www.hostlerburrows.info 3

92.         http://www.Milocalbuilder.com 3

93.         http://www.punteglias.info 3

94.         http://www.Blokube.com   3

95.         http://www.Cloudytags.com 3

96.         http://www.blogmyway.org 3

97.         http://www.blogbookmark.com 3

98.         http://www.topinews.com 3

99.         http://www.midascareteam.info 3

100.       http://xbangkok.com 3

101.       http://woodygolden.com 3

102.       http://www.emolinks.com 3

103.       http://www.skinnybikiniswimwear.info 3

104.       http://www.Addictionaire.com 3

105.       http://www.Zabox.net 3

106.       http://www.geimhost.com 3

107.       http://www.theineptowl.info 3

108.       http://www.limesparrow.com 3

109.       http://www.pulsimo.com 3

110.       http://hotscripts.ro 3

111.       http://link-to-results.com 3

112.       http://www.Sitebar.org 3

113.       http://www.Dnhour.com 3

114.       http://www.icebreak.com  3

115.       http://www.trucktor.info 3

116.       http://www.beritague.com 3

117.       http://www.totalpad.com 3

118.       http://www.newsocialbookmarks.com 3

119.       http://www.lamppr.com 3

120.       http://www.technogies.com 3

121.       http://wildcatcorner.com 3

122.       http://www.felmausa.com 3

123.       http://blastandcastoutdoors.com 3

124.       http://blogwealthwood.com 3

125.       http://www.humsurfer.com 3

126.       http://www.ideaspol.com 3

127.       http://www.justdofollow.com 3

128.       http://www.freeticketopen.com 3

129.       http://www.Akonter.com 2

130.       http://blessedit.com 2

131.       http://www.humansthink.com 2

132.       http://www.addthismark.com 2

133.       http://www.bookmarksdiary.com 2

134.       http://www.subbmitt.com 2

135.       http://www.Sociopost.com 2

136.       http://www.Acymca.net 2

137.       http://www.Aboogy.com 2

138.       http://www.epinex.biz 2

139.       http://www.bedwire.com 2

140.       http://quixperito.com 2

141.       http://www.Elenavoce.com 2

142.       http://www.Braniewo.net 2

143.       http://www.Arrisweb.com 2

144.       http://www.yoomark.com 2

145.       http://www.joyku.com 2

146.       http://www.justshaunna.info 2

147.       http://www.kodai-flow.com 2

148.       http://www.bravsbookmarks.com 2

149.       http://whatsonsocial.com 2

150.       http://www.Augmentedviews.com 2

151.       http://www.kuponlandia.info 2

152.       http://www.Fugepind.info 2

153.       http://smartmynds.com 2

154.       http://www.maldivesliveaboards.info 2

155.       http://www.odamedia.com 2

156.       http://www.yeawo.com 2

157.       http://www.Storymint.com 2

158.       http://www.postolia.com 2

159.       http://www.eshoptong.com 2

160.       http://www.diggpedia.com 2

161.       http://www.indofeed.com 2

162.       http://www.sociopost.com 2

163.       http://www.thetogbox.com 2

164.       http://www.pligg.in 1

165.       http://www.coolpot.com 1

166.       http://www.4bukmark.com 1

167.       http://www.Bookmarkgroups.com 1

168.       http://www.Windowly.com 1

169.       http://www.voteurl.com 1

170.       http://www.onlinewebmarks.com 1

171.       http://www.Newsciti.com 1

172.       http://www.bookmarkwiki.com 1

173.       http://www.bookmarkingbase.com 1

174.       http://www.winkbookmark.com 1

175.       http://www.Subbmitt.com 1

176.       http://www.Socialwebmarks.com 1

177.       http://www.popzu.com 1

178.       http://www.topseobacklinks.com 1

179.       http://www.bookmarkfeed.com 1