Timeline of Google Search

Google Search, offered by Google, is the most widely used search engine on the World Wide Web as of 2023, with over eight billion searches a day. This page covers key events in the history of Google's search service.

For a history of Google the company, including all of Google's products, acquisitions, and corporate changes, see the history of Google page.

Big picture

Full timeline

See also

  • Timeline of web search engines

References

  1. Danny Sullivan. The indexing issue has now been fully resolved. We apologize for the inconvenience. We appreciate your patience as we restored normal operation. 11 April 2019^
  2. Sergey Brin. The Anatomy of a Large-Scale Hypertextual Web Search Engine Computer Networks and ISDN Systems, April 1998^
  3. Sergey Brin. What can you do with a web in your pocket Data Engineering Bulletin, 1998^
  4. The Stanford Integrated Digital Library Project, Award Abstract #9411306, September 1, 1994 through August 31, 1999 (Estimated), award amount $521,111,001^
  5. Jeffrey Mervish. NSF Rethinks Its Digital Library Science, January 2, 2009^
  6. Adam Fisher. Brin, Page, and Mayer on the Accidental Birth of the Company that Changed Everything Vanity Fair, July 10, 2018, retrieved 23 August 2019^
  7. Josh McHugh. Google vs. Evil Wired, 1 January 2003, retrieved 24 August 2019^
  8. Our history in depth September 15, 1997, retrieved February 1, 2014^
  9. Google Launches New Japanese, Chinese, and Korean Search Services: Company Continues Aggressive Global Expansion To Bring Award-Winning Search Engine To Internet Users Worldwide September 12, 2000, retrieved February 1, 2014^
  10. Google Algorithm Change History SEOmoz, retrieved February 1, 2014^
  11. September, 2002 Google Update Discussion - Part 1 February 1, 2014^
  12. Dancing the Google Dance: And a One Algo Change, Two Algo Change, Go! Level343.com, March 14, 2011, retrieved February 1, 2014^
  13. Paul Boutin. Google Degraded? Geeks Aghast Wired, October 5, 2002, retrieved February 1, 2014^
  14. Cassandra: Google update algo analysis thread. NO whining or cheering about how your site is doing in this one. WebmasterWorld (forum), retrieved February 1, 2014^
  15. Understanding Dominic - Part 2 WebmasterWorld (forum), retrieved February 1, 2014^
  16. Google Update Esmeralda June 24, 2003, retrieved February 1, 2014^
  17. Explaining algorithm updates and data refreshes 2006-12-23^
  18. Steven Levy. Exclusive: How Google's Algorithm Rules the Web Wired, February 22, 2010, retrieved February 1, 2014^
  19. Danny Sullivan. Search Engine Size Wars & Google's Supplemental Results Search Engine Watch, September 2, 2003, retrieved February 1, 2014^
  20. Danny Sullivan. What Happened To My Site On Google? Search Engine Watch, December 6, 2003, retrieved February 1, 2014^
  21. The latest on update Austin (Google's January update) Search Engine Journal, January 31, 2004, retrieved February 1, 2014^
  22. Aaron Wall. Google Update Austin: Google Update Florida Again Search Marketing Journal, January 2004, retrieved February 1, 2014^
  23. Garrett French. Google's Brandy Update Exposed WebProNews, February 17, 2004, retrieved February 1, 2014^
  24. How To Beat Google's 'Brandy' Update Sitepoint, March 8, 2004, retrieved February 1, 2014^
  25. Danny Sullivan. Google.com Finally Gets Google Suggest Feature Search Engine Land, August 25, 2008, retrieved February 2, 2014^
  26. At a loss for words? Official Google Blog, August 25, 2008, retrieved February 2, 2014^
  27. Danny Sullivan. Google, Yahoo, MSN Unite On Support For Nofollow Attribute For Links Search Engine Watch, January 18, 2005, retrieved February 1, 2014^
  28. Ganpati Zone. Nofollow Link Attributes Rel Sponsored and UGC Tags Google SEO Latest Updates Ganpati Zone, September 16, 2019, retrieved September 16, 2019^
  29. Danny Sullivan. Google's Feb. 2005 Update Search Engine Watch, February 10, 2005, retrieved February 1, 2014^
  30. Update Allegra - Google Update 2-2-2005 Webmaster World (forum), retrieved February 1, 2014^
  31. John Battelle. Google Update "Bourbon" Battelle Media, June 1, 2005, retrieved February 1, 2014^
  32. Barry Schwartz. Bourbon Update Survival Kit Search Engine Roundtable, June 27, 2005, retrieved February 1, 2014^
  33. Gary Price. GoogleGuy Shares Advice About May 2005 "Bourbon" Update Search Engine Watch, June 1, 2005, retrieved February 1, 2014^
  34. Danny Sullivan. New "Google Sitemaps" Web Page Feed Program Search Engine Watch, June 2, 2005, retrieved February 1, 2014^
  35. Search gets personal Google blog, June 28, 2005, retrieved February 1, 2014^
  36. Danny Sullivan. Google Relaunches Personal Search - This Time, It Really Is Personal Search Engine Watch, June 28, 2005, retrieved February 1, 2014^
  37. Matt Cutts. What's an update? September 8, 2005, retrieved February 1, 2014^
  38. Danny Sullivan. Google's Cutts Says Not An Update - I Say An Update, Just Not A Dance Search Engine Watch, September 9, 2005, retrieved February 1, 2014^
  39. Ben Pfeiffer. A Review Of The Jagger 2 Update Search Engine Roundtable, October 26, 2005, retrieved February 1, 2014^
  40. Dealing With Consequences of Jagger Update: Your site dropped? Lost rankings? What to do now? Webmaster World (forum), retrieved February 1, 2014^
  41. Matt Cutts. Indexing timeline May 16, 2006, retrieved February 1, 2014^
  42. Marissa Mayer. Universal search: The best answer is still the best answer Official Google Blog, May 16, 2007, retrieved February 2, 2014^
  43. Danny Sullivan. Google Launches "Universal Search" & Blended Results Search Engine Land, May 16, 2007, retrieved February 2, 2014^
  44. Matt Cutts. SMX Seattle wrap-up June 17, 2007, retrieved February 2, 2014^
  45. Barry Schwartz. Google "Buffy" Update - June Google.com Update Search Engine Roundtable, June 18, 2007, retrieved February 2, 2014^
  46. Barry Schwartz. Google's Cutts Asking for Feedback on March/April '08 Update (The "Dewey" Update) Search Engine Roundtable, April 2, 2008, retrieved February 2, 2014^
  47. Barry Schwartz. Google's Vince Update Produces Big Brand Rankings; Google Calls It A Trust "Change" Search Engine Land, March 5, 2009, retrieved February 2, 2014^
  48. Matt Cutts. Learn about the Canonical Link Element in 5 minutes February 15, 2009, retrieved February 2, 2014^
  49. Rand Fishkin. Canonical URL Tag - The Most Important Advancement in SEO Practices Since Sitemaps SEOmoz, February 13, 2009, retrieved February 2, 2014^
  50. Help test some next-generation infrastructure Google Webmaster Central Blog, August 10, 2009, retrieved February 2, 2014^
  51. Ben Parr. Google Caffeine: A Detailed Test of the New Google Mashable, August 10, 2009, retrieved February 2, 2014^
  52. MG Siegler. Caffeine: It's Google On Red Bull, Or Something TechCrunch, August 10, 2009, retrieved February 2, 2014^
  53. Erick Schoenfeld. Google Is About To Get Caffeinated With A Faster Search Index TechCrunch, December 28, 2009, retrieved February 2, 2014^
  54. Our new search index: Caffeine Official Google Blog, June 8, 2010, retrieved February 2, 2014^
  55. MG Siegler. Caffeine: Google Finally Brews Its New Pot Of Web Results — 50% Fresher TechCrunch, June 8, 2010, retrieved February 2, 2014^
  56. Vanessa Fox. Google's New Indexing Infrastructure "Caffeine" Now Live Search Engine Land, June 8, 2010, retrieved February 2, 2014^
  57. Introducing Google Social Search: I finally found my friend's New York blog! Official Google Blog, October 26, 2009, retrieved February 2, 2014^
  58. Maureen Heymans. Search is getting more social Official Google Blog, January 27, 2010, retrieved February 2, 2014^
  59. Relevance meets the real-time web Official Google Blog, December 7, 2009, retrieved February 2, 2014^
  60. Danny Sullivan. Google Launches Real Time Search Results Search Engine Land, December 7, 2009, retrieved February 2, 2014^
  61. Vanessa Fox. Google Confirms "Mayday" Update Impacts Long Tail Traffic Search Engine Land, May 27, 2010, retrieved February 2, 2014^
  62. Barry Schwartz. Video: Google's Matt Cutts On May Day Update Search Engine Roundtable, May 30, 2010, retrieved February 2, 2014^
  63. Search: now faster than the speed of type Official Google Blog, September 8, 2010, retrieved February 2, 2014^
  64. Alexia Tsotsis. Google Instant: It Searches Before You Type TechCrunch, September 8, 2010, retrieved February 2, 2014^
  65. Google Instant, behind the scenes Official Google Blog, September 9, 2010, retrieved February 2, 2014^
  66. About Google Instant retrieved February 2, 2014^
  67. Rand Fishkin. Google Instant: Fewer Changes to SEO than the Average Algo Update SEOmoz, September 21, 2010, retrieved February 2, 2014^
  68. Beyond Instant results: Instant Previews Official Google Blog, November 9, 2010, retrieved February 2, 2014^
  69. Ben Parr. Google Now Lets You Preview Search Results Before You Click Them Mashable, November 9, 2010, retrieved February 2, 2014^
  70. MG Siegler. Google Instant Previews: Get Ready To Be 5% More Likely Satisfied With Google Search TechCrunch, November 9, 2010, retrieved February 2, 2014^
  71. Amit Singhal. Being bad to your customers is bad for business Official Google Blog, December 1, 2010, retrieved February 2, 2014^
  72. David Segal. A Bully Finds a Pulpit on the Web New York Times, November 26, 2010, retrieved February 2, 2014^
  73. Danny Sullivan. What Social Signals Do Google & Bing Really Count? Search Engine Land, December 1, 2010, retrieved February 2, 2014^
  74. Barry Schwartz. Google Webmaster Video Reconfirms Use Of Social Signals Search Engine Land, December 20, 2010, retrieved February 2, 2014^
  75. Social Signals as a Search Ranking Factor for SEO 2014-12-01, retrieved 2020-04-22^
  76. Overstock.com's Google Rankings - Too Good? Google SEO News & Discussion Forum, Webmaster World, January 12, 2011, retrieved February 2, 2014^
  77. Amir Efrati. Google Penalizes Overstock for Search Tactics Wall Street Journal, February 24, 2011, retrieved February 2, 2014^
  78. Matt Cutts. Algorithm change launched January 28, 2011, retrieved February 2, 2014^
  79. David Harry. It's all about attribution Search News Central, January 31, 2011, retrieved February 2, 2014^
  80. Amit Singhal, Matt Cutts. Finding more high-quality sites in search Official Google Blog, February 24, 2011, retrieved February 2, 2014^
  81. Steven Levy. TED 2011: The 'Panda' That Hates Farms: A Q&A With Google's Top Search Engineers Wired Magazine, March 3, 2011, retrieved February 2, 2014^
  82. How Google Panda & Places Updates Created A Rollercoaster Ride For IYP Traffic Search Engine Land, November 21, 2011, retrieved February 2, 2014^
  83. The +1 Button: Show appreciation for things you like on the web retrieved February 2, 2014^
  84. Danny Sullivan. Meet +1: Google's Answer To The Facebook Like Button March 30, 2011, retrieved February 2, 2014^
  85. MG Siegler. With +1, Google Search Goes Truly Social — As Do Google Ads TechCrunch, March 30, 2011, retrieved February 2, 2014^
  86. Amit Singhal. High-quality sites algorithm goes global, incorporates user feedback Google Webmaster Central blog, April 11, 2011, retrieved February 2, 2014^
  87. Vanessa Fox. Panda 2.0: Google Rolls Out Panda Update Internationally & Incorporates Searcher Blocking Data Search Engine Land, April 11, 2011, retrieved February 2, 2014^
  88. Danny Sullivan. It's Panda Update 2.1, Not Panda 3.0, Google Says Search Engine Land, May 10, 2011, retrieved February 2, 2014^
  89. Barry Schwartz. Google Panda 3.0 Search Engine Roundtable, May 9, 2011, retrieved February 2, 2014^
  90. Vanessa Fox. Schema.org: Google, Bing & Yahoo Unite To Make Search Listings Richer Through Structured Data June 2, 2011, retrieved February 2, 2014^
  91. Ramanathan Guha. Introducing schema.org: Search engines come together for a richer web Official Google Blog, June 2, 2011, retrieved February 2, 2014^
  92. Rip Empson. Google, Yahoo, And Bing Collaborate On Structured Data To Make Search Listings Richer TechCrunch, June 2, 2011, retrieved February 2, 2014^
  93. Barry Schwartz. Official: Google Panda Update 2.2 Is Live Search Engine Land, June 21, 2011, retrieved February 2, 2014^
  94. Danny Sullivan. Why Google Panda Is More A Ranking Factor Than Algorithm Update June 21, 2011, retrieved February 2, 2014^
  95. Eric Enge. A Holistic Look at Panda with Vanessa Fox Stone Temple, July 12, 2011, retrieved February 2, 2014^
  96. Barry Schwartz. Official: Google Panda 2.3 Update Is Live Search Engine Land, July 26, 2011, retrieved February 2, 2014^
  97. Amit Singhal. High-quality sites algorithm launched in additional languages Official Google Blog, August 12, 2011, retrieved February 2, 2014^
  98. Vanessa Fox. Google Panda Update 2.4: Panda Goes International, In Most Languages Search Engine Land, August 12, 2011, retrieved February 2, 2014^
  99. Daniel Rocha. The evolution of sitelinks: expanded and improved Inside Search (the official Google Search blog), August 16, 2011, retrieved February 2, 2014^
  100. Barry Schwartz. Official: Google Sitelinks Expands To 12 Pack Search Engine Land, August 16, 2011, retrieved February 2, 2014^
  101. Benjia Li, Joachim Kupke. Pagination with rel="next" and rel="prev" Google Webmaster Central Blog, September 15, 2011, retrieved February 2, 2014^
  102. Vanessa Fox. Google Provides New Options for Paginated Content Search Engine Land, September 15, 2011, retrieved February 2, 2014^
  103. Matt McGee. Confirmed: Google Panda 2.5 Update Arrived This Week Search Engine Land, September 30, 2011, retrieved February 2, 2014^
  104. Danny Sullivan. Google Panda 2.5: Losers Include Today Show, The Next Web; Winners Include YouTube, Fox News Search Engine Land, October 1, 2011, retrieved February 2, 2014^
  105. Vanessa Fox. Panda Update 3.0 Live & Panda "Flux" Search Engine Land, October 19, 2011, retrieved February 2, 2014^
  106. Evelyn Kao. Making search more secure Official Google Blog, October 18, 2011, retrieved February 2, 2014^
  107. Aaron Wheeler. Google Hides Search Referral Data with New SSL Implementation - Emergency Whiteboard Friday SEOmoz, October 21, 2011, retrieved February 2, 2014^
  108. Amit Singhal. Giving you fresher, more recent search results November 3, 2011, retrieved February 2, 2014^
  109. Barry Schwartz. Google Search Algorithm Change For Freshness To Impact 35% Of Searches; Twitter Firehose Remains Off Search Engine Land, November 3, 2011, retrieved February 2, 2014^
  110. Sarah Perez. Google's New Algorithm Update Impacts 35% Of Searches TechCrunch, November 3, 2011, retrieved February 2, 2014^
  111. Sarah Perez. The Winners & Losers Of Google's Freshness Update Revealed TechCrunch, November 7, 2011, retrieved February 2, 2014^
  112. Matt Cutts. Ten recent algorithm changes Inside Search: the Official Google Search blog, November 14, 2011, retrieved February 2, 2014^
  113. Barry Schwartz. Google Panda Update 3.1: "Minor" One Made Live On November 18th November 21, 2011, retrieved February 2, 2014^
  114. Barry Schwartz. Google Panda 3.1 Update : 11/18 Search Engine Roundtable, November 21, 2011, retrieved February 2, 2014^
  115. Pandu Nayak. 30 search quality highlights (with codenames!): December Inside Search: The official Google Search blog, January 5, 2012, retrieved February 2, 2014^
  116. Amit Singhal. Search, plus Your World Official Google Blog, January 10, 2012, retrieved February 2, 2014^
  117. Lance Ulanoff. Google Merges Search and Google+ Into Social Media Juggernaut Mashable, January 10, 2012, retrieved February 2, 2014^
  118. Danny Sullivan. Real-Life Examples Of How Google's "Search Plus" Pushes Google+ Over Relevancy Search Engine Land, January 11, 2012, retrieved February 2, 2014^
  119. Danny Sullivan. Twitter Cries Foul Over Google "@WWE" Search, But Google Still Beats Bing Marketing Land, January 11, 2012, retrieved February 2, 2014^
  120. Frederic Lardinois. "Search Plus Your World" Is Just About Google+, Not Your World TechCrunch, January 10, 2012, retrieved February 2, 2014^
  121. Sarah Kessler. Why Google's Social Search Is Too Much, Too Soon Mashable, January 13, 2012, retrieved February 2, 2014^
  122. Matt Cutts. Page layout algorithm improvement Inside Search: The official Google Search blog, January 19, 2012, retrieved February 2, 2014^
  123. Amit Singhal. Search quality highlights: 40 changes for February Inside Search: the Official Google Search blog, February 27, 2012, retrieved February 2, 2014^
  124. Mike Ramsey. Understand and Rock the Google Venice Update SEOmoz, March 12, 2012, retrieved February 2, 2014^
  125. Matt McGee. Google Confirms Panda 3.3 Update, Plus Changes To How It Evaluates Links, Local Search Rankings & Much More Search Engine Land, February 27, 2012, retrieved February 2, 2014^
  126. Matt McGee. Google Says Panda 3.4 Is 'Rolling Out Now' March 23, 2012, retrieved February 2, 2014^
  127. Barry Schwartz. Google Mocks Me For Missing Panda 3.5 Search Engine Roundtable, April 26, 2012, retrieved February 2, 2014^
  128. Barry Schwartz. Confirmed: Panda Update 3.6 Happened On April 27th Search Engine Land, May 3, 2012, retrieved February 2, 2014^
  129. Matt Cutts. Another step to reward high-quality sites Inside Search: The official Google Search blog, April 24, 2012, retrieved February 2, 2014^
  130. Danny Sullivan. The Penguin Update: Google's Webspam Algorithm Gets Official Name Search Engine Land, April 26, 2012, retrieved February 2, 2014^
  131. Danny Sullivan. Google Penguin Update Recovery Tips & Advice Search Engine Land, April 26, 2012, retrieved February 2, 2014^
  132. Danny Sullivan. Two Weeks In, Google Talks Penguin Update, Ways To Recover & Negative SEO Search Engine Land, May 10, 2012, retrieved February 2, 2014^
  133. Amit Singhal. Introducing the Knowledge Graph: things, not strings The Official Google Blog, May 16, 2012, retrieved February 2, 2014^
  134. Danny Sullivan. Google Launches Knowledge Graph To Provide Answers, Not Just Links Search Engine Land, May 16, 2012, retrieved February 2, 2014^
  135. Frederic Lardinois. Google Just Got A Whole Lot Smarter, Launches Its Knowledge Graph TechCrunch, May 16, 2012, retrieved February 2, 2014^
  136. Matt McGee. Google Releases Penguin Update 2 Search Engine Land, May 26, 2012, retrieved February 2, 2014^
  137. Barry Schwartz. Confirmed: Google Panda 3.7 Update Search Engine Land, June 11, 2012, retrieved February 2, 2014^
  138. Peter Meyers. The Bigfoot Update (AKA Dr. Pete Goes Crazy) SEOmoz, June 11, 2012, retrieved February 2, 2014^
  139. Barry Schwartz. Official Google Panda Update Version 3.8 On June 25th Search Engine Land, June 25, 2012, retrieved February 2, 2014^
  140. Barry Schwartz. Google Panda 3.8 Live: June 25th & Refresh Only Search Engine Roundtable, June 26, 2012, retrieved February 2, 2014^
  141. Barry Schwartz. Official: Google Panda 3.9 Refresh Search Engine Roundtable, July 25, 2012, retrieved February 2, 2014^
  142. Amit Singhal. An update to our search algorithms Inside Search: The official Google Search blog, August 10, 2012, retrieved February 2, 2014^
  143. Danny Sullivan. The Pirate Update: Google Will Penalize Sites Repeatedly Accused Of Copyright Infringement Search Engine Land, August 10, 2012, retrieved February 2, 2014^
  144. Barry Schwartz. 20th Google Panda Algorithm Update: Fairly Major Search Engine Roundtable, October 4, 2012, retrieved February 2, 2014^
  145. Peter Meyers. Google's EMD Algo Update - Early Data SEOmoz, September 29, 2012, retrieved February 2, 2014^
  146. Barry Schwartz. The EMD Update: Google Issues "Weather Report" Of Crack Down On Low Quality Exact Match Domains Search Engine Land, September 28, 2012, retrieved February 2, 2014^
  147. Matt McGee. Google Penguin Update 3 Released, Impacts 0.3% Of English-Language Queries Search Engine Land, October 5, 2012, retrieved February 2, 2014^
  148. Barry Schwartz. Google Released 3rd Penguin Update: Not Jarring Or Jolting Search Engine Roundtable, October 8, 2012, retrieved February 2, 2014^
  149. Aaron Brown. Get smarter answers from the Knowledge Graph from Português to 日本語 to русский Inside Search: The official Google Search blog, December 4, 2012, retrieved February 2, 2014^
  150. Frederic Lardinois. Google's Knowledge Graph Expands To More Languages, Including Italian, French, Japanese And Russian TechCrunch, December 4, 2012, retrieved February 2, 2014^
  151. Barry Schwartz. Google's Final Manual Panda Refresh Here? #25 Search Engine Roundtable, March 15, 2013, retrieved February 2, 2014^
  152. Barry Schwartz. Google Panda Update 25 Seems To Have Hit Search Engine Land, March 15, 2013, retrieved February 2, 2014^
  153. Barry Schwartz. Google's Panda Dance: Matt Cutts Confirms Panda Rolls Out Monthly Over 10 Of 30 Days Search Engine Land, June 11, 2013, retrieved February 2, 2014^
  154. Barry Schwartz. Penguin 4, With Penguin 2.0 Generation Spam-Fighting, Is Now Live Search Engine Land, May 22, 2013, retrieved February 2, 2014^
  155. Peter Meyers. Penguin 2.0/4 - Were You Jarred and/or Jolted? Moz, May 24, 2013, retrieved February 2, 2014^
  156. Pandu Nayak. In-depth articles in search results Google Webmaster Central Blog, August 6, 2013, retrieved February 2, 2014^
  157. Peter Meyers. Inside In-depth Articles: Dissecting Google's Latest Feature Moz, August 13, 2013, retrieved February 2, 2014^
  158. Danny Sullivan. FAQ: All About The New Google "Hummingbird" Algorithm Search Engine Land, September 26, 2013, retrieved February 2, 2014^
  159. Barry Schwartz. Some Reports Of An August 21/22 Google Update Search Engine Roundtable, August 23, 2013, retrieved February 2, 2014^
  160. Danny Sullivan. Penguin 5, With The Penguin 2.1 Spam-Filtering Algorithm, Is Now Live Search Engine Land, October 4, 2013, retrieved February 2, 2014^
  161. Barry Schwartz. Google Penguin 2.1 Was A Big Hit Search Engine Roundtable, October 7, 2013, retrieved February 2, 2014^
  162. Josh Freeman. Payday Loans 2.0 Tide Interactive Group^
  163. Josh Freeman. Panda 4.0 Tide Interactive Group^
  164. Danny Sullivan. Head Of Google's Web Spam Team Matt Cutts Is Going On Leave. After 14 years with Google -- and 10 years heading up the web spam team -- veteran says time for a break July 3, 2014, retrieved September 12, 2016^
  165. Will He Ever Return? Head Of Google's Web Spam Team Matt Cutts Extends Leave Into 2015. 14 year veteran of Google says web spam fighting has been running fine since he took leave in July. Search Engine Land, October 31, 2014, retrieved September 12, 2016^
  166. Barry Schwartz. Google "Pigeon" Updates Local Search Algorithm With Stronger Ties To Web Search Signal Search Engine Land, July 24, 2014, retrieved April 12, 2015^
  167. Mike Blumenthal. Google Updates Local Algo with More Web Based Signals – Turmoil in SERPS July 25, 2014, retrieved April 12, 2015^
  168. HTTPS as a ranking signal retrieved December 1, 2014^
  169. John Mueller. Authorship removal Google Plus, August 28, 2014, retrieved April 12, 2015^
  170. Google Authorship Ends www.webtechshare.com, retrieved August 31, 2014^
  171. Eric Enge. It's Over: The Rise & Fall Of Google Authorship For Search Results. Google has completely dropped all authorship functionality from the search results and webmaster tools. Search Engine Land, August 28, 2014, retrieved April 12, 2015^
  172. Panda update rolling out Google Plus, September 25, 2014, retrieved April 12, 2015^
  173. Danny Sullivan. Panda 4.1 — Google's 27th Panda Update — Is Rolling Out Search Engine Land, September 25, 2014, retrieved April 12, 2015^
  174. Glenn Gabe. Panda 4.1 Analysis and Findings – Affiliate Marketing, Keyword Stuffing, Security Warnings, and Deception Prevalent September 29, 2014, retrieved April 12, 2015^
  175. Josh Bachynski. Panda 4.1 Google Leaked Dos and Don'ts - Whiteboard Friday Moz, December 5, 2014, retrieved April 12, 2015^
  176. Pratik Dholakiya. What You Need to Know About Google's Penguin 3.0 www.entrepreneur.com, 31 October 2014, retrieved December 1, 2014^
  177. Danny Sullivan. After More Than Two Years, Google Finally Releasing New "Pirate Update" To Fight Piracy www.searchengineland.com, 17 October 2014, retrieved December 1, 2014^
  178. Google Pirate Update Analysis and Loser List SearchmMetrics, October 26, 2014, retrieved April 12, 2015^
  179. Ernesto. Google's New Search Downranking Hits Torrent Sites Hard October 23, 2014, retrieved April 12, 2015^
  180. Barry Schwartz. Google Says Penguin To Shift To "Continuous Updates". Google To Continuously "Optimize" The Penguin Algorithm As It Goes Search Engine Land, December 10, 2014, retrieved April 12, 2015^
  181. Barry Schwartz. Google Pigeon Update Rolls Out To UK, Canada & Australia. Google's new local ranking algorithm that launched in the US earlier this year has rolled out to the UK, Canada and Australia. December 22, 2014, retrieved April 12, 2015^
  182. Barry Schwartz. Significant Google Search Algorithm Update Yesterday Search Engine Roundtable, February 5, 2015, retrieved April 12, 2015^
  183. Barry Schwartz. Google Sending Mobile Usability Warnings To Huge Number Of Webmasters. Google sending notifications to webmasters with sites that are not mobile friendly. Is this a sign of a new mobile algorithm coming soon? Search Engine Land, January 19, 2015, retrieved April 12, 2015^
  184. Takaki Makino, Chaesang Jung, Doantam Phan. Finding more mobile-friendly search results Google Webmaster Central, February 26, 2015, retrieved April 12, 2015^
  185. Barry Schwartz. New Google "Mobile Friendly" Algorithm To Reward Sites Beginning April 21. Google's mobile ranking algorithm will officially include mobile-friendly usability factors and app indexing. Making sure your site is mobile-friendly is now more important than ever. Search Engine Land, February 26, 2015, retrieved April 12, 2015^
  186. Jody O'Donnell, Laura Scott. Google's Mobile Algorithm Update is Coming April 21. Are you Prepared? RKGBlog, April 10, 2015, retrieved April 12, 2015^
  187. Jennifer Slegg. Google Panda Update: Everything We Know About Panda 4.2 The SEM Post, July 17, 2015, retrieved September 12, 2016^
  188. Barry Schwartz. Google Panda 4.2 Is Here; Slowly Rolling Out After Waiting Almost 10 Months. Google says a Panda refresh began this weekend but will take months to fully roll out. Search Engine Land, July 17, 2015, retrieved September 12, 2016^
  189. Did Google Reverse The Panda 4.2 Update? September 1, 2015, retrieved September 12, 2016^
  190. Jack Clark. Google Turning Its Lucrative Web Search Over to AI Machines Bloomberg News, October 26, 2015, retrieved September 12, 2016^
  191. John Rampton. Artificial intelligence is changing SEO faster than you think June 4, 2016, retrieved September 12, 2016^
  192. Quentin Hardy. Amit Singhal, an Influential Engineer at Google, Will Retire The New York Times, February 3, 2016, retrieved September 12, 2016^
  193. Barry Schwartz. Amit Singhal, The Head Of Google Search, To Leave The Company For Philanthropic Purposes. After 15 years, Google's head of search, Amit Singhal, is leaving the company. Search Engine Land, February 3, 2016, retrieved September 12, 2016^
  194. Larry Kim. Google's New SERP Layout: The Biggest Winners & Losers. What has been the impact of Google's new desktop ad layout thus far? Columnist Larry Kim uses data to show who has benefited and who has suffered from the change. Search Engine Land, February 24, 2016, retrieved September 12, 2016^
  195. Peter J. Meyers. Four Ads on Top: The Wait Is Over February 19, 2016, retrieved September 12, 2016^
  196. Larry Kim. Google Kills Off Side Ads: What You Need to Know WordStream, February 23, 2016, retrieved September 12, 2016^
  197. Erin Sagin. 3 Weeks After Google Killed Side Ads, Here Are 5 More Takeaways WordStream, March 10, 2016, retrieved September 13, 2016^
  198. Continuing to make the web more mobile friendly Google Webmaster Central Blog, March 16, 2016, retrieved September 12, 2016^
  199. Barry Schwartz. Google's mobile-friendly algorithm boost has rolled out. The new Google mobile-friendly algorithm is supposed to give an additional ranking boost for mobile-friendly websites in the mobile search results. Search Engine Land, May 12, 2016, retrieved September 12, 2016^
  200. May 2022 core update releasing for Google Search Google Search Central, May 25, 2022, retrieved July 15, 2022^
  201. Kayle Larkin. Google's May 2022 Core Update: What's the Impact So Far? searchenginejournal.com, July 11, 2022, retrieved July 15, 2022^
  202. Barry Schwartz. Google helpful content update is now done rolling out Search Engine Land, 2022-09-09, retrieved 2023-10-20^
  203. Google Search's Core Updates Google for Developers, retrieved 2023-10-20^
  204. Google Search Status Dashboard status.search.google.com, retrieved 2023-10-20^
  205. September 2022 Core Update Impact Semrush Blog, retrieved 2023-10-20^
  206. Google Search Status Dashboard status.search.google.com, retrieved 2023-10-20^
  207. Google Search Status Dashboard status.search.google.com, retrieved 2023-10-20^
  208. Lily Ray. Google August 2023 Core Update: Winners, Losers & Analysis Amsive, 2023-09-12, retrieved 2023-10-20^
  209. Roger Montti. Google September 2023 Helpful Content Update - Changes To The Algorithm Search Engine Journal, 2023-09-14, retrieved 2023-10-20^
  210. Google Search Status Dashboard status.search.google.com, retrieved 2023-10-20^
  211. Barry Schwartz. Google October 2023 Core Update rollout is now complete Search Engine Land, 2023-10-19, retrieved 2023-10-20^
  212. Google Search Status Dashboard status.search.google.com, retrieved 2023-11-02^
  213. New ways we're tackling spammy, low-quality content on Search Google, 2024-03-05, retrieved 2024-03-12^
  214. Google Search Status Dashboard status.search.google.com, retrieved 2025-03-17^
  215. Google Search Status Dashboard status.search.google.com, retrieved 2025-03-17^
  216. Google Search Status Dashboard status.search.google.com, retrieved 2025-03-17^
  217. Google Search Status Dashboard status.search.google.com, retrieved 2025-08-08^
  218. Google Search Status Dashboard status.search.google.com, retrieved 2025-08-08^
  219. Barry Schwartz. Google June 2025 Core Update Recoveries Search Engine Roundtable, 2025-07-10, retrieved 2025-08-08^
  220. Google Search Status Dashboard status.search.google.com, retrieved 2026-04-14^
  221. Google Search Status Dashboard status.search.google.com, retrieved 2026-04-14^
  222. Google Search Status Dashboard status.search.google.com, retrieved 2026-04-14^
  223. Google Search Status Dashboard status.search.google.com, retrieved 2026-04-14^
  224. Barry Schwartz. Google Search serving issue in some locales Search Engine Land, 2025-10-03, retrieved 2026-04-14^
  225. Google Search Status Dashboard status.search.google.com, retrieved 2026-04-14^
  226. Google Search Status Dashboard status.search.google.com, retrieved 2026-04-14^