Key Structured Data Events
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ItemAnnouncement DateEffective DateAnnouncement URL 1Announcement URL 2Reference URL 1Reference URL 2Discussion URL 1Discussion URL 2Vocabulary or StandardSyntax(es) or Format(s)OrganizationNotes
2
Google renames "Science Datasets" data type to "Datasets"23-Feb-201723-Feb-2017Not announced
https://developers.google.com/search/docs/data-types/datasets
https://plus.google.com/106943062990152739506/posts/VxjuH3oNEmy
schema.orgJSON-LD, Microdata, RDFaGoogle
3
Google Structured Data Testing Tool adds support for multi-typed entities3-Feb-20173-Feb-2017
https://lists.w3.org/Archives/Public/public-schemaorg/2017Feb/0001.html
https://plus.google.com/+MarkvanBerkelHunch/posts/RFkEsqzr61T
schema.orgJSON-LD, Microdata, RDFaGoogle
4
Google changes image property use for BreadcrumbList from "required" to "optional"
26-Jan-201626-Jan-2016Not announcedNot announced
https://developers.google.com/search/docs/data-types/breadcrumbs
https://plus.google.com/106943062990152739506/posts/9Y1R6o6THHZ
schema.orgJSON-LD, Microdata, RDFaGoogle
5
Google says "profanity and vulgar language" in reviews are "discouraged"22-Dec-201622-Dec-2016Not announcedNot announced
https://developers.google.com/search/docs/data-types/reviews
https://plus.google.com/106943062990152739506/posts/GRdSDxGjDkS
schema.orgJSON-LD, Microdata, RDFaGoogle
6
Google says "profanity and vulgar language" in reviews are "prohibited"15-Dec-201615-Dec-2016Not announcedNot announced
https://developers.google.com/search/docs/data-types/reviews
https://plus.google.com/106943062990152739506/posts/a6VCdGQNFYf
schema.orgJSON-LD, Microdata, RDFaGoogle
7
Google adds support for the display of product information in image search13-Dec-201613-Dec-2016Not announcedNot announced
https://developers.google.com/search/docs/data-types/products
https://plus.google.com/106943062990152739506/posts/a6VCdGQNFYf
schema.orgJSON-LD, Microdata, RDFaGoogle
8
Google adds support for "buy e-book" links in book Knowledge Graph cards3-Dec-20163-Dec-2016Not announcedNot announced
https://developers.google.com/search/docs/data-types/books
https://plus.google.com/106943062990152739506/posts/3goWVWmMNFa
http://www.thesempost.com/google-adds-buy-e-book-options-book-knowledge-panels/
schema.orgJSON-LD, Microdata, RDFaGoogle
9
Google extends rich card support to online courses, local restaurants16-Nov-201616-Nov-2016
https://webmasters.googleblog.com/2016/11/rich-cards-expands-to-more-verticals.html
https://developers.google.com/search/docs/data-types/local-businesses#restaurant-lists
https://developers.google.com/search/docs/data-types/courses
schema.orgJSON-LD, Microdata, RDFaGoogle
10
Google separates AMP and non-AMP structured data requirements for articles17-Nov-201617-Nov-2016Not announcedNot announced
https://developers.google.com/search/docs/data-types/articles
https://plus.google.com/106943062990152739506/posts/XkZmPzxVpnE
schema.orgJSON-LD, Microdata, RDFa, AMPGoogle
With this structured data is now explicitly required for AMP articles to appear in rich results
11
Google makes AMP a requirement for host-specific lists16-Nov-201616-Nov-2016Not announcedNot announced
https://developers.google.com/search/docs/guides/mark-up-listings
https://plus.google.com/106943062990152739506/posts/XYUry9SYQmC
schema.orgJSON-LD, Microdata, RDFa, AMPGoogle
12
Google pilots support for AMP host-specific lists for restaurants21-Nov-201616-Nov-2016Not announcedNot announced
https://developers.google.com/search/docs/data-types/local-businesses
https://plus.google.com/106943062990152739506/posts/f9uXcHJRToR
schema.orgJSON-LD, Microdata, RDFa, AMPGoogle
13
Google drops image markup requirement for recipe and movie rich cards14-Oct-201614-Oct-2016Not announcedNot announced
https://developers.google.com/search/docs/data-types/recipes
https://developers.google.com/search/docs/data-types/tv-movies
schema.orgJSON-LD, Microdata, RDFaGoogle
An image somewhere on the page is still required, but it no longer needs to be explicitly declared with structured data markup
14
Google News introduces the "Fact check" label13-Oct-201613-Oct-2016
https://blog.google/topics/journalism-news/labeling-fact-check-articles-google-news/
https://support.google.com/news/publisher/answer/4582731#fact-checking
https://plus.google.com/communities/103048251221048356778
schema.orgJSON-LD, Microdata, RDFaGoogle
At time of announcement, ClaimReview and claimReviewed still in pending.schema.org
15
Google pilots support for dataset metadata23-Sep-201623-Sep-2016Not announcedNot announced
https://developers.google.com/search/docs/data-types/datasets
https://plus.google.com/106943062990152739506/posts/KfMWxB88nnU
schema.orgJSON-LD, Microdata, RDFaGoogle
At time of announcement, variablesMeasured still in pending.schema.org
16
Google introduces rich snippets for courses12-Sep-201612-Sep-2016Not announcedNot announced
https://developers.google.com/search/docs/guides/search-gallery#courses
http://pending.schema.org/Course
https://plus.google.com/+KenichiSuzuki/posts/A6AqqJCmWpG
schema.orgJSON-LD, Microdata, RDFaGoogle
17
Bing improves autocomplete suggestions for academic papers and movies9-Sep-20169-Sep-2016
http://blogs.bing.com/search-quality-insights/September-2016/more-intelligent-autocomplete
http://blumenthals.com/blog/2016/09/11/thoughts-on-the-recent-rollout-of-aggregate-reviews-snippets-critic-reviews-in-google-serps/
n/an/aBing
18
Google introduces aggregated user reviews, critic reviews in local Knowlege Panel
7-Sep-20167-Sep-2016
https://webmasters.googleblog.com/2016/09/showcase-your-sites-reviews-in-search.html
https://developers.google.com/search/docs/data-types/reviews#review-snippet-guidelines
https://developers.google.com/search/docs/data-types/reviews#review-subject-properties
schema.orgJSON-LD, Microdata, RDFaGoogle
19
Freebase API shuts down16-Dec-201431-Aug-2016
https://plus.google.com/109936836907132434202/posts/bu3z2wVqcQc
https://groups.google.com/forum/#!topic/freebase-discuss/WEnyO8f7xOQ
https://developers.google.com/freebase/
FreebaseAPIGoogle
20
Google introduces the search live coverage carousel29-Aug-201629 Aug 2016Not announcedNot announced
https://developers.google.com/search/pilot/open/live-coverage
https://plus.google.com/106943062990152739506/posts/6CZS3XjxGU9
schema.orgJSON-LD, Microdata, RDFaGoogle
Exact structured data specifications not provided at release
21
Google adds JSON-LD support for breadcrumbs12-Aug-201612-Aug-2016
https://twitter.com/JohnMu/status/764035280273829889
https://plus.google.com/106943062990152739506/posts/Lpds5w6LwwA
schema.orgJSON-LDGoogle
22
schema.org v3.1 released9-Aug-20169-Aug-2016
http://blog.schema.org/2016/08/schemaorg-update-hotels-datasets-health.html
http://schema.org/version/3.1/
http://www.seoskeptic.com/hospitality-structured-markup-schema-org-optimization/
https://plus.google.com/+BradBrewer/posts/YELAT6RjK7R
schema.orgJSON-LD, Microdata, RDFaschema.org
23
Google introduces Top Places Lists4-Aug-20164-Aug-2016
https://search.googleblog.com/2016/08/never-miss-must-try-with-google-search.html
https://developers.google.com/search/pilot/open/top-places-lists
http://www.seoskeptic.com/google-now-supports-critic-reviews-local-businesses/
schema.orgJSON-LD, Microdata, RDFaGoogle
Included here provisionally, as it's yet not clear as to whether or not this feature has any structured data requirements
24
Google adds back critic reviews, expands them to include local businesses4-Aug-20164-Aug-2016
https://search.googleblog.com/2016/08/never-miss-must-try-with-google-search.html
http://www.seoskeptic.com/google-now-supports-critic-reviews-local-businesses/
https://developers.google.com/search/docs/data-types/reviews
http://www.seoskeptic.com/google-now-supports-critic-reviews-local-businesses/
http://searchengineland.com/google-critic-reviews-open-255692
schema.orgVariousGoogle
25
Google enumerates data types eligible for review rich features4-Aug-20164-Aug-2016
https://search.googleblog.com/2016/08/never-miss-must-try-with-google-search.html
https://developers.google.com/search/docs/data-types/reviews
http://www.seoskeptic.com/google-now-supports-critic-reviews-local-businesses/
schema.orgVariousGoogle
26
Google removes structured data requirements for AMP4-Aug-20163-Aug-2016
https://plus.google.com/u/0/+GoogleWebmasters/posts/QyZsHe72b9M
https://support.google.com/webmasters/answer/6211453?hl=en
https://www.seroundtable.com/google-amp-error-report-structured-data-errors-22476.html
schema.orgAMP HTMLGoogle
27
Google rich cards and rich results introduced17-May-201617-May-2016
https://webmasters.googleblog.com/2016/05/introducing-rich-cards.html
https://developers.google.com/search/docs/guides/search-features
https://developers.google.com/search/docs/guides/
http://www.seoskeptic.com/rich-cards-and-googles-structured-data-restructuring/
VariousVariousGoogle
28
Google Shopping requires GTIN, Brand for all products8-Feb-201616-May-2016
https://support.google.com/merchants/answer/6352134
https://support.google.com/merchants/answer/160161
https://support.google.com/merchants/answer/188494
Google Shopping Product FeedFeed (TXT, XML), APIGoogle Shopping
For merchants targeting Australia, Brazil, the Czech Republic, France, Germany, Italy, Japan, the Netherlands, Spain, Switzerland, the UK, or the US
29
Google Structured Data Testing Tool updated (2016 update)12-May-201612-May-2016
https://webmasters.googleblog.com/2016/05/introducing-rich-cards.html
https://search.google.com/structured-data/testing-tool
https://developers.google.com/structured-data/sdtt/
http://www.seoskeptic.com/google-structured-data-testing-tool-updated/
https://plus.google.com/+KenichiSuzuki/posts/Q7VWXRHYr7z
VariousVariousGoogle
30
schema.org v3.0 released4-May-20164-May-2016
https://lists.w3.org/Archives/Public/public-schemaorg/2016May/0032.html
http://schema.org/version/3.0/
http://schema.org/docs/releases.html
https://plus.google.com/106943062990152739506/posts/Crz9YgcqEsi
schema.orgVariousschema.org
31
Freebase API goes into read-only mode16-Dec-20142-May-2016
https://plus.google.com/109936836907132434202/posts/bu3z2wVqcQc
https://groups.google.com/forum/#!topic/freebase-discuss/WEnyO8f7xOQ
https://developers.google.com/freebase/
FreebaseAPIGoogle
32
Freebase.com shuts down16-Dec-20142-May-2016
https://plus.google.com/109936836907132434202/posts/bu3z2wVqcQc
https://groups.google.com/forum/#!topic/freebase-discuss/WEnyO8f7xOQ
https://developers.google.com/freebase/
Freebasen/aGoogle
33
Web Data Commons Nov. 2015 Corpus released25-Apr-201625-Apr-2016
https://plus.google.com/+RobertMeusel/posts/H2yVfkZZyMa
http://webdatacommons.org/structureddata/2015-11/stats/stats.html
Web Data Commons
JSON-LD, Microdata, RDFa, Microformats
Web Data Commons
34
Image alt support added to Twitter cards26-Mar-201626-Mar-2016
https://blog.twitter.com/2016/alt-text-support-for-twitter-cards-and-the-rest-api
https://dev.twitter.com/cards/markup
Twitter CardsTwitter CardsTwitter
35
Google launches "Top Stories with AMP"24-Feb-201624-Feb-2016
https://googleblog.blogspot.ca/2016/02/amping-up-in-mobile-search.html
https://developers.google.com/structured-data/carousels/top-stories
http://www.seoskeptic.com/top-stories-with-amp-added-to-google-structured-data-site/
schema.org, AMPJSON-LD, MicrodataGoogle
36
Pinterest movie rich pins updated23-Feb-201623-Feb-2016
https://blog.pinterest.com/en/how-win-oscar-party
https://developers.pinterest.com/docs/rich-pins/movies/
http://thenextweb.com/insider/2016/02/23/pinterest-makes-its-recipe-and-movie-pins-much-more-data-rich/#gref
schema.orgMicrodataPinterest
37
Pinterest recipe rich pins updated23-Feb-201623-Feb-2016
https://blog.pinterest.com/en/how-win-oscar-party
https://developers.pinterest.com/docs/rich-pins/recipes/
http://thenextweb.com/insider/2016/02/23/pinterest-makes-its-recipe-and-movie-pins-much-more-data-rich/#gref
schema.org, hRecipeMicrodata, hRecipePinterest
38
GS1 Smart Search and GS1 Web Vocabulary launched22-Feb-201622-Feb-2016
http://blog.schema.org/2016/02/gs1-milestone-first-schemaorg-external.html
http://www.gs1.org/gs1-smartsearch
http://www.gs1.org/gs1-smartsearch/1-5
GS1 Web VocabularyJSON-LDGS1
See implementation guide at: http://www.gs1.org/docs/gs1-smartsearch/GS1_SmartSearch_Implementation_Guideline.pdf
39
Product rich snippets in Google search results - JSON-LD3-Feb-20163-Feb-2016
https://plus.google.com/+JohnMueller/posts/5ivUfWzdHX4
https://developers.google.com/structured-data/rich-snippets/products#about_product_offers
schema.orgJSON-LD, Microdata, RDFaGoogle
40
Review rich snippets in Google search results - JSON-LD3-Feb-20163-Feb-2016
https://plus.google.com/+JohnMueller/posts/5ivUfWzdHX4
https://developers.google.com/structured-data/rich-snippets/reviews
schema.orgJSON-LD, Microdata, RDFaGoogle
41
Facebook adds Audience Optimization tags for Instant Articles21-Jan-201621-Jan-2016
https://media.fb.com/2016/01/21/introducing-audience-optimization/
https://developers.facebook.com/docs/instant-articles/reference/article
https://www.facebook.com/facebookmedia/get-started/audience-optimization
http://www.socialmediaexaminer.com/facebook-audience-optimization-what-marketers-need-to-know/
Facebook Instant ArticlesPOSH, APIFacebook
42
OpenLink Structured Data Sniffer released on Chrome Store16-Dec-201516-Dec-2015
https://lists.w3.org/Archives/Public/public-lod/2015Dec/0031.html
https://chrome.google.com/webstore/detail/openlink-structured-data/egdaiaihbdoiibopledjahjaihbmjhdj
VariousVariousOpenLink
43
Google Knowledge Graph Search API launched16-Dec-201516-Dec-2015
https://plus.google.com/109936836907132434202/posts/iY8NZGFF6DN
https://developers.google.com/knowledge-graph/
Google Knowledge GraphAPIGoogle
44
Google Article Rich Snippets specifications changed11-Dec-201511-Dec-2015
https://plus.google.com/107039400476054775954/posts/agDzyTcYeMB
https://developers.google.com/structured-data/rich-snippets/articles
http://www.seoskeptic.com/google-article-rich-snippets-guide-updated-for-amp/
schema.orgJSON-LD, MicrodataGoogle
45
Tourism Structured Data Community Group launched8-Dec-20158-Dec-2015
https://www.w3.org/community/tourismdata/2015/12/08/call-for-participation-in-the-tourism-structured-web-data-community-group/
https://www.w3.org/community/tourismdata/
schema.orgn/aW3C
46
Local business information and place actions for Google search24-Nov-201524-Nov-2015
https://plus.google.com/+MenasheAvramov/posts/UfUvWpzMm2s
https://developers.google.com/structured-data/local-businesses/
https://developers.google.com/structured-data/local-businesses/place-actions-standard
http://www.seoskeptic.com/google-using-schema-org-for-local-business-information/
schema.orgJSON-LDGoogle
47
Google Structured Data Testing Tool updated for schema.org v2.220-Nov-201520-Nov-2015
https://twitter.com/danbri/status/667760530019479552
schema.orgJSON-LD, Microdata, RDFaGoogle
48
Google Live Blog carousel markup released18-Nov-201518-Nov-2015
https://plus.google.com/u/0/+GoogleDevelopers/posts/UMFfemnynCg
https://developers.google.com/search/pilot/open/live-blogs
schema.orgJSON-LDGoogle
49
schema.org v2.2 released5-Nov-20155-Nov-2015
http://blog.schema.org/2015/11/schemaorg-whats-new.html
http://schema.org/version/2.2/
schema.orgn/aschema.org
50
Google introduces Accelerated Mobile Pages7-Oct-20157-Oct-2015
https://googleblog.blogspot.ca/2015/10/introducing-accelerated-mobile-pages.html
https://www.ampproject.org/docs/reference/spec.html
https://github.com/ampproject/amphtml/tree/master/examples/metadata-examples
AMP
AMP HTML, AMP JS, JSON-LD, Microdata
Google
51
Apple introduces Apple News8-Jun-201516-Sep-2015
http://www.geekwire.com/2015/apple-unveils-news-app-with-new-york-times-espn-and-other-big-publishers-on-board/
https://developer.apple.com/library/ios/documentation/General/Conceptual/Apple_News_Format_Ref/index.html
https://help.apple.com/newspublisher/icloud/
Apple News FormatRSS, JSON, APIApple
52
Google Shopping requires GTIN, Brand for 50 brands8-Sep-201515-Sep-2015
http://googlecommerce.blogspot.ca/2015/09/reach-more-customers-online-add-gtins.html
https://support.google.com/merchants/answer/160161
https://support.google.com/merchants/answer/6239390
Google Shopping Product FeedFeed (TXT, XML), APIGoogle Shopping
For merchants targeting Australia, Brazil, Czech Republic, France, Germany, Italy, Japan, Netherlands, Spain, Switzerland, the United Kingdom or the United States
53
Apple releases the App Search Programming Guide for iOS 915-Sep-201515-Sep-2015
https://developer.apple.com/library/ios/documentation/General/Conceptual/AppSearch/RevisionHistory.html#//apple_ref/doc/uid/TP40016308-CH99-SW1
https://developer.apple.com/library/ios/documentation/General/Conceptual/AppSearch/WebContent.html#//apple_ref/doc/uid/TP40016308-CH8
https://developer.apple.com/library/ios/documentation/General/Conceptual/AppSearch/WebContent.html#//apple_ref/doc/uid/TP40016308-CH8-SW1
VariousVariousApple
54
Wikidata Query Service released7-Sep-20157-Sep-2015
https://lists.wikimedia.org/pipermail/wikidata/2015-September/007042.html
https://www.mediawiki.org/wiki/Wikidata_query_service
https://query.wikidata.org/
WikidataSPARQL APIWikidata
55
auto.schema.org launched (with schema.org v2.1)6-Aug-20156-Aug-2015
https://lists.w3.org/Archives/Public/public-schemabibex/2015Aug/0000.html
http://schema.org/version/2.1/
http://auto.schema.org/
schema.orgJSON-LD, Microdata, RDFaschema.org
56
bib.schema.org launched (with schema.org v2.1)6-Aug-20156-Aug-2015
https://lists.w3.org/Archives/Public/public-schemabibex/2015Aug/0000.html
http://schema.org/version/2.1/
http://bib.schema.org/
schema.orgJSON-LD, Microdata, RDFaschema.org
57
schema.org v2.1 released6-Aug-20156-Aug-2015
https://plus.google.com/106943062990152739506/posts/eT7SjF22rhy
http://schema.org/version/2.1/
schema.orgJSON-LD, Microdata, RDFaschema.org
58
Critic reviews in Google Knowledge Graph4-Aug-20154-Aug-2015
https://developers.googleblog.com/2015/08/using-schemaorg-markup-to-promote-your.html
https://developers.google.com/structured-data/critic-reviews
schema.orgJSON-LD, Microdata, RDFaGoogle
59
Recipe rich snippets in Google search results - JSON-LD24-Jul-201524-Jul-2015
https://plus.google.com/+MariyaMoeva/posts/VEHT5Jco59b
https://developers.google.com/structured-data/rich-snippets/recipes
https://plus.google.com/+TonyMcCreath/posts/ajndNCHUKjR
http://www.seoskeptic.com/first-rich-snippets-from-json-ld-spotted-in-the-wild/
schema.orgJSON-LD, Microdata, RDFaGoogle
60
Facebook introduces Instant Articles12-May-201512-May-2015
https://media.fb.com/2015/05/12/instantarticles/
https://instantarticles.fb.com/
https://developers.facebook.com/docs/instant-articles/guides/articlecreate
Instant ArticlesRSS, API, POSHFacebook
61
schema.org v2.0 released13-May-201512-May-2015
http://blog.schema.org/2015/05/schema.html
http://schema.org/version/2.0/
http://schema.org/docs/extension.html
http://www.seoskeptic.com/schema-org-2-0-released/
schema.orgJSON-LD, Microdata, RDFaschema.org
62
schema.org v1.93 released4-Feb-20154-Feb-2015
http://www.lazaruscorporation.co.uk/blogs/arts-tech/posts/schemadotorg-visualartwork-goes-live
http://schema.org/docs/releases.html
schema.orgJSON-LD, Microdata, RDFaschema.org
63
Event rich snippets in Google search results - JSON-LD15-Jan-201515-Jan-2015
https://webmasters.googleblog.com/2015/01/upcoming-events-in-knowledge-graph.html
https://developers.google.com/structured-data/rich-snippets/events
schema.orgJSON-LD, Microdata, RDFaGoogle
64
Google Structured Data Testing Tool updated with JSON-LD support15-Jan-201515-Jan-2015
https://plus.google.com/+GoogleWebmasters/posts/6M6inRG6wJT
https://webmasters.googleblog.com/2015/01/new-structured-data-testing-tool.html
https://developers.google.com/structured-data/testing-tool/
schema.orgJSON-LD, Microdata, RDFaVarious
65
Social profiles in Google Knowledge Graph15-Jan-201515-Jan-2015
https://plus.google.com/+ZinebAitBahajji/posts/MmHsGdqCvpM
https://developers.google.com/structured-data/customize/social-profiles
schema.orgJSON-LD, Microdata, RDFaGoogle
66
schema.org v1.92 released11-Dec-201411-Dec-2014
https://plus.google.com/+DanBrickley/posts/K1xhrbeBozN
http://schema.org/docs/releases.html
http://www.seoskeptic.com/schema-org-gets-its-game-on/
schema.orgJSON-LD, Microdata, RDFaschema.org
67
Organization logos in Google search results - JSON-LD21-Oct-201421-Oct-2014
https://webmasters.googleblog.com/2013/05/using-schemaorg-markup-for-organization.html
https://developers.google.com/structured-data/customize/logos
schema.orgJSON-LDGoogle
68
Sitelinks search box in Google search results5-Sep-20145-Sep-2014
https://webmasters.googleblog.com/2014/09/improved-sitelinks-search-box.html
https://developers.google.com/structured-data/slsb-overview
schema.orgJSON-LDGoogle
69
Local business logos, contact information, social accounts for Google search8-Apr-20148-Apr-2014
https://webmasters.googleblog.com/2014/04/surfacing-your-businesss-contact-and.html
https://developers.google.com/structured-data/customize/contact-points
schema.orgJSON-LD, Microdata, RDFaGoogle
70
Yandex Structured Data Validator updated with JSON-LD support2-Dec-20132-Dec-2013
https://lists.w3.org/Archives/Public/public-vocabs/2013Dec/0005.html
https://webmaster.yandex.com/microtest.xml
https://yandex.com/support/webmaster/yandex-indexing/validator.xml
VariousJSON-LDYandex
71
Organization logos in Google Knowledge Graph15-May-201315-May-2013
https://webmasters.googleblog.com/2013/05/using-schemaorg-markup-for-organization.html
https://developers.google.com/structured-data/customize/logos
schema.orgMicrodata, RDFaGoogle
72
Wikidata launched7-Feb-201230-Oct-2012
http://dataliberate.com/2012/02/07/wikidata-announcing-wikipedias-next-big-thing/
https://www.wikidata.org/wiki/Wikidata:News
https://www.wikidata.org/
Wikidatan/aWikidata
73
Google Structured Data Testing Tool updated (2012 update)20-Sep-201220-Sep-2012
https://webmasters.googleblog.com/2012/09/structured-data-testing-tool-webmaster.html
https://www.google.com/webmasters/tools/richsnippets
VariousVariousGoogle
74
Google Knowledge Graph introduced16-May-201216 May 2012
https://googleblog.blogspot.ca/2012/05/introducing-knowledge-graph-things-not.html
https://www.google.com/intl/es419/insidesearch/features/search/knowledge.html
https://www.youtube.com/watch?v=mmQl6VGvX-c
Google Knowledge Graphn/aGoogle
75
Google introduces application rich snippets14 Sep 201114 Sep 2011
https://webmasters.googleblog.com/2011/09/introducing-application-rich-snippets.html
https://www.google.com/support/webmasters/bin/answer.py?answer=1645432
schema.orgMicrodata, RDFaGoogle
76
Google introduces authorship markup7-Jun-20117-Jun-2011
https://webmasters.googleblog.com/2011/06/authorship-markup-and-web-search.html
https://www.google.com/support/webmasters/bin/answer.py?answer=1229920
https://www.google.com/support/webmasters/bin/answer.py?answer=1229920
data-vocabulary.org, Microformats
HTML5, XFN, MicroformatsGoogle
77
schema.org launched2-Jun-20112-Jun-2011
https://googleblog.blogspot.com/2011/06/introducing-schemaorg-search-engines.html
https://blogs.bing.com/search/2011/06/02/introducing-schema-org-bing-google-and-yahoo-unite-to-build-the-web-of-objects/
http://schema.orgschema.orgMicrodata, RDFaGoogle, Bing, Yahoo
78
Google introduces product rich snippets2-Nov-20102-Nov-2010
https://webmasters.googleblog.com/2010/11/rich-snippets-for-shopping-sites.html
https://www.google.com/support/webmasters/bin/answer.py?hl=en&answer=1095551
https://www.google.com/support/webmasters/bin/answer.py?answer=146750
Microformats, GoodRelations, data-vocabulary.org
Microdata, RDFaGoogle
79
Google introduces music rich snippets18-Aug-201018-Aug-2010
https://search.googleblog.com/2011/08/rich-snippets-help-you-find-music-more.html
http://schema.org/MusicRecording
schema.orgschema.orgGoogle
80
Google introduces recipe rich snippets13-Apr-201013-Apr-2010
https://webmasters.googleblog.com/2010/04/better-recipes-on-web-introducing.html
https://www.google.com/support/webmasters/bin/answer.py?&answer=173379
data-vocabulary.org, Microformats
Microdata, RDFaGoogle
81
Google adds microdata support for rich snippets11-Mar-201011 Mar 2010
https://webmasters.googleblog.com/2010/03/microdata-support-for-rich-snippets.html
https://www.google.com/support/webmasters/bin/answer.py?answer=99170
data-vocabulary.orgMicrodataGoogle
82
Google introduces event rich snippets22-Jan-201022-Jan-2010
https://webmasters.googleblog.com/2010/01/introducing-new-rich-snippets-format.html
https://www.google.com/support/webmasters/bin/answer.py?hl=en&answer=164506
MicroformatsMicroformatsGoogle
83
Google introduces the Rich Snippets Testing Tool26-Oct-200926-Oct-2009
https://webmasters.googleblog.com/2009/10/help-us-make-web-better-update-on-rich.html
https://www.google.com/webmasters/tools/richsnippets
data-vocabulary.org, Microformats, FOAF
RDFaGoogle
84
Google introduces rich snippets (review and people rich snippets)12-May-200912-May-2009
https://webmasters.googleblog.com/2009/05/introducing-rich-snippets.html
https://www.google.com/support/webmasters/bin/answer.py?answer=99170
data-vocabulary.org, Microformats
RDFaGoogle
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
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