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Sites using Schema.org vs sites using hCard microformat

How many sites are using schema.org vs hCard microformat for background microdata

grep pattern	Number of Urls	Number of Domains
<span itemprop="name">	1,581,034	3,902
class="vcard"	33,114,671	334,829

List of top 100 domains in rank order:

<span itemprop="name">

URL	Site Rank
1. www.google.com	14,530
2. www.myspace.com	11,069
3. www.imdb.com	7,651
4. feeds.feedburner.com	6,333
5. code.google.com	5,535
6. web.mit.edu	4,311
7. www.last.fm	3,805
8. web.me.com	3,442
9. www.squidoo.com	2,717
10. www.reverbnation.com	2,616
11. www.meetup.com	2,469
12. www.ticketmaster.com	2,118
13. www.rottentomatoes.com	2,086
14. www.mit.edu	2,064
15. www.powells.com	1,771
16. cgi.ebay.com	1,669
17. community.livejournal.com	1,585
18. www.pwc.com	1,565
19. www.nber.org	1,514
20. www.seomoz.org	1,341
21. www.lasvegassun.com	1,291
22. www.cduniverse.com	1,256
23. www.fodors.com	1,241
24. www.rhapsody.com	1,241
25. www.saatchi-gallery.co.uk	1,104
26. gowalla.com	1,095
27. www.redbubble.com	996
28. www.du.edu	961
29. www.manta.com	935
30. www.king5.com	928
31. www.cabelas.com	920
32. thepioneerwoman.com	905
33. www.dagbladet.no	899
34. www.realsimple.com	868
35. www.sbs.com.au	829
36. www.cs.tut.fi	826
37. www.hersheys.com	822
38. www.ksl.com	810
39. www.banffcentre.ca	786
40. www.trulia.com	778
41. www.kuleuven.be	749
42. homepages.cwi.nl	705
43. www.vub.ac.be	700
44. www.androidzoom.com	693
45. www.armstrong.com	690
46. www.cars.com	675
47. www.oldnavy.com	672
48. gdgt.com	659
49. www.chow.com	639
50. www.adorama.com	637
51. www.lastfm.de	598
52. www.firebox.com	585
53. www.ndr.de	573
54. www.la.bbb.org	548
55. www.veeam.com	545
56. www.marketresearch.com	534
57. www.hillsdale.edu	527
58. www.motorauthority.com	516
59. www.mywot.com	516
60. www.ticketmaster.ca	512
61. www.bgs.ac.uk	512
62. papers.nber.org	497
63. www.lastfm.es	489
64. www.clubic.com	485
65. www.tradebit.com	480
66. www.newsreview.com	480
67. www.emol.com	474
68. www.chicagoreader.com	468
69. students.washington.edu	452
70. www.nashvillescene.com	449
71. html5doctor.com	432
72. www.adlibris.com	427
73. www.direct2drive.com	412
74. www.expansys.com	409
75. www.vetmed.wsu.edu	402
76. community.citrix.com	400
77. tastingtable.com	396
78. www.indyweek.com	390
79. www.myjewishlearning.com	390
80. www.cookingforengineers.com	385
81. www.whatsonstage.com	382
82. www.myxer.com	380
83. www.imamuseum.org	380
84. www.tucsonweekly.com	379
85. www2.kelloggs.com	370
86. www.sddt.com	363
87. sio.ucsd.edu	361
88. atlasobscura.com	361
89. www.thumbtack.com	359
90. www.billoreilly.com	342
91. clatl.com	338
92. www.kelkoo.co.uk	338
93. www.niallkennedy.com	337
94. www.mtv3.fi	330
95. www.apl.jhu.edu	327
96. www.thatsfit.com	326
97. www.memphisflyer.com	323
98. www.portlandmercury.com	322
99. www.wineenthusiast.com	317
100. billoreilly.com	316

class="vcard"

URL	Site Rank
1. twitter.com	23,048
2. www.facebook.com	16,071
3. www.youtube.com	15,501
4. www.google.com	14,530
5. www.microsoft.com	14,457
6. en.wikipedia.org	14,034
7. www.myspace.com	11,068
8. sourceforge.net	11,059
9. www.apple.com	10,800
10. www.flickr.com	10,298
11. vimeo.com	9,448
12. www.linkedin.com	8,716
13. www.amazon.com	8,601
14. creativecommons.org	8,368
15. www.nytimes.com	7,833
16. wordpress.org	7,614
17. www.bbc.co.uk	7,330
18. www.w3.org	7,156
19. sites.google.com	6,601
20. www.pbs.org	6,600
21. feeds.feedburner.com	6,341
22. www.cdc.gov	6,202
23. ec.europa.eu	5,814
24. www.epa.gov	5,592
25. www.ibm.com	5,546
26. www.slideshare.net	5,315
27. openoffice.org	4,984
28. www.blogger.com	4,730
29. msdn.microsoft.com	4,408
30. github.com	4,388
31. www.huffingtonpost.com	4,316
32. web.mit.edu	4,311
33. www.loc.gov	4,270
34. ezinearticles.com	4,255
35. news.yahoo.com	4,254
36. www.vimeo.com	4,082
37. members.tripod.com	4,080
38. www.freewebs.com	3,975
39. homepage.mac.com	3,931
40. www.house.gov	3,926
41. www.nationalgeographic.com	3,921
42. www.angelfire.com	3,879
43. addons.mozilla.org	3,812
44. www.last.fm	3,805
45. www.lulu.com	3,763
46. finance.yahoo.com	3,761
47. drupal.org	3,723
48. de.wikipedia.org	3,577
49. www.marriott.com	3,557
50. www.ed.gov	3,475
51. www.abc.net.au	3,449
52. blogs.msdn.com	3,407
53. www.nature.com	3,374
54. www.tripadvisor.com	3,327
55. www.hp.com	3,327
56. www.answers.com	3,294
57. www.randomhouse.com	3,285
58. apps.facebook.com	3,282
59. www.sun.com	3,186
60. home.comcast.net	3,143
61. www.stanford.edu	3,083
62. feeds2.feedburner.com	3,023
63. fr.wikipedia.org	2,978
64. www.businessinsider.com	2,931
65. news.nationalgeographic.com	2,922
66. www.nba.com	2,895
67. www.unesco.org	2,895
68. www.examiner.com	2,865
69. topics.nytimes.com	2,855
70. foursquare.com	2,777
71. www.utexas.edu	2,762
72. www.indiana.edu	2,748
73. www.ibiblio.org	2,736
74. www.squidoo.com	2,717
75. www.greenpeace.org	2,708
76. www.yale.edu	2,695
77. www.worldbank.org	2,660
78. loc.gov	2,636
79. epa.gov	2,591
80. www.faqs.org	2,581
81. www.cs.cmu.edu	2,571
82. latimesblogs.latimes.com	2,567
83. www.xing.com	2,552
84. www.dol.gov	2,550
85. adage.com	2,547
86. www.newsday.com	2,539
87. www.princeton.edu	2,513
88. www.accuweather.com	2,507
89. www.newyorker.com	2,489
90. www.xs4all.nl	2,473
91. www.starwoodhotels.com	2,472
92. store.apple.com	2,456
93. stackoverflow.com	2,424
94. www.columbia.edu	2,371
95. www.colorado.edu	2,360
96. www.businesswire.com	2,360
97. www.fs.fed.us	2,356
98. boingboing.net	2,354
99. www.heise.de	2,328
100. c2.com	2,278

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Sites using Schema.org vs sites using hCard microformat