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| 2010 || Year round || || Statistics || 52% of the companies are estimated to spend more on SEO, 39% Spending about the same, and 9% Spending less.<ref name="seo.comf"/>
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| 2011 || {{dts|February 12}} || {{w|Google}} || {{w|Spamdexing}} || The ''{{w|New York Times}}'' publishes an article claiming that retailer {{w|JCPenney}} ranks unusually high in Google searches and that this is due to a large number of unnatural links to the JCPenney site with strategically selected anchor text. Google's Matt Cutts confirms that this violates Google's policies and Google starts applying a corrective "manual action" against JCPenney that leads to the site dropping significantly in search rankings.<ref>{{cite web|url = http://www.nytimes.com/2011/02/13/business/13search.html?_r=1&pagewanted=all|title = The Dirty Little Secrets of Search|last = Segal|first = David|date = February 12, 2011|accessdate = July 10, 2021|publisher = New York Times}}</ref><ref>{{cite web|url = https://searchengineland.com/new-york-times-exposes-j-c-penney-link-scheme-that-causes-plummeting-rankings-in-google-64529|title = New York Times Exposes J.C. Penney Link Scheme That Causes Plummeting Rankings in Google. Today, the New York Times published an article about a search engine optimization investigation of J.C. Penney. Perplexed by how well jcpenney.com did in unpaid (organic) search results for practically everything the retailer sold, they asked someone familiar with the world of search engine optimization (SEO) to look into it a bit more. The investigation ...|last = Fox|first = Vanessa|date = February 12, 2011|accessdate = July 10, 2021|publisher = Search Engine Land}}</ref>
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| 2011 || February 14 || {{w|Google}} || Notable update || Google launches the {{w|Google Chrome}} extension "Personal Blocklist", as part of countermeasures against {{w|content farm}}ing.<ref>{{cite web |title=New: Block Sites From Google Results Using Chrome’s “Personal Blocklist” |url=https://searchengineland.com/googles-personal-blocklist-delete-google-search-results-on-chrome-64757 |website=searchengineland.com |accessdate=24 June 2020}}</ref>
