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Hummingbird is the codename given to a significant
algorithm In mathematics and computer science, an algorithm () is a finite sequence of Rigour#Mathematics, mathematically rigorous instructions, typically used to solve a class of specific Computational problem, problems or to perform a computation. Algo ...
change in
Google Search Google Search (also known simply as Google or Google.com) is a search engine operated by Google. It allows users to search for information on the World Wide Web, Web by entering keywords or phrases. Google Search uses algorithms to analyze an ...
in 2013. Its name was derived from the speed and accuracy of the
hummingbird Hummingbirds are birds native to the Americas and comprise the Family (biology), biological family Trochilidae. With approximately 366 species and 113 genus, genera, they occur from Alaska to Tierra del Fuego, but most species are found in Cen ...
. The change was announced on September 26, 2013, having already been in use for a month. "Hummingbird" places greater emphasis on
natural language A natural language or ordinary language is a language that occurs naturally in a human community by a process of use, repetition, and change. It can take different forms, typically either a spoken language or a sign language. Natural languages ...
queries, considering context and meaning over individual keywords. It also looks deeper at content on individual pages of a website, with improved ability to lead users directly to the most appropriate page rather than just a website's homepage. The upgrade marked the most significant change to Google search in years, with more "human" search interactions and a much heavier focus on conversation and meaning. Thus, web developers and writers were encouraged to optimize their sites with natural writing rather than forced keywords, and make effective use of technical web development for on-site navigation.


History

Google announced "Hummingbird", a new search
algorithm In mathematics and computer science, an algorithm () is a finite sequence of Rigour#Mathematics, mathematically rigorous instructions, typically used to solve a class of specific Computational problem, problems or to perform a computation. Algo ...
, at a September 2013 press event, having already used the algorithm for approximately one month prior to announcement.


Features

The "Hummingbird" update was the first major update to Google's search algorithm since the 2010 "Caffeine" search architecture upgrade, but even that was limited primarily to improving the indexing of information rather than sorting through information. Amit Singhal, then-search chief at Google, told ''
Search Engine Land Danny Sullivan is an American technologist, journalist, and entrepreneur. He is the founder of Search Engine Watch in 1997, one of the earliest online publications about search engine marketing. He also launched ''Search Engine Strategies'', one ...
'' that "Hummingbird" was the most dramatic change of the algorithm since 2001, when he first joined Google. Unlike previous search algorithms, which would focus on each individual word in the search query, "Hummingbird" considers the context of the different words together, with the goal that pages matching the meaning do better, rather than pages matching just a few words. The name is derived from the speed and accuracy of the
hummingbird Hummingbirds are birds native to the Americas and comprise the Family (biology), biological family Trochilidae. With approximately 366 species and 113 genus, genera, they occur from Alaska to Tierra del Fuego, but most species are found in Cen ...
. "Hummingbird" is aimed at making interactions more human, in the sense that the search engine is capable of understanding the concepts and relationships between keywords. It places greater emphasis on page content, making search results more relevant, and looks at the authority of a page, and in some cases the page author, to determine the importance of a website. It uses this information to better lead users to a specific page on a website rather than the standard website homepage.


Search engine optimization changes

Search engine optimization Search engine optimization (SEO) is the process of improving the quality and quantity of Web traffic, website traffic to a website or a web page from web search engine, search engines. SEO targets unpaid search traffic (usually referred to as ...
changed with the addition of "Hummingbird", with web developers and writers encouraged to use
natural language A natural language or ordinary language is a language that occurs naturally in a human community by a process of use, repetition, and change. It can take different forms, typically either a spoken language or a sign language. Natural languages ...
when writing on their websites rather than using forced keywords. They were also advised to make effective use of technical website features, such as page linking, on-page elements including title tags,
URL A uniform resource locator (URL), colloquially known as an address on the Web, is a reference to a resource that specifies its location on a computer network and a mechanism for retrieving it. A URL is a specific type of Uniform Resource Identi ...
addresses and
HTML tags An HTML element is a type of HTML (HyperText Markup Language) document component, one of several types of HTML nodes (there are also text nodes, comment nodes and others). The first used version of HTML was written by Tim Berners-Lee in 1993 ...
, as well as writing high-quality, relevant content without duplication. While keywords within the query still continue to be important, "Hummingbird" adds more strength to long-tailed keywords, effectively catering to the optimization of content rather than just keywords. The use of synonyms has also been optimized; instead of listing results with exact phrases or keywords, Google shows more theme-related results.


See also

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Google Panda Google Panda is an algorithm used by the Google search engine, first introduced in February 2011. The main goal of this algorithm is to improve the quality of search results by lowering the rankings of websites with "low-quality content". Panda is ...
, 2011 *
Google penalty The sandbox effect (or sandboxing) is a theory about the way Google ranks web pages in its index. It is the subject of much debate—its existence has been written about since 2004, but not confirmed, with several statements to the contrary. Des ...
*
Google Penguin Google Penguin is a codename for a Google algorithm update that was first announced on April 24, 2012. The update was aimed at decreasing search engine rankings of websites that violate Google's Webmaster Guidelines by using now declared Grey Hat ...
* Google Pigeon *
Google Knowledge Graph The Google Knowledge Graph is a knowledge base from which Google serves relevant information in an infobox beside its search results. This allows the user to see the answer in a glance, as an instant answer. The data is generated automatical ...
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PageRank PageRank (PR) is an algorithm used by Google Search to rank web pages in their search engine results. It is named after both the term "web page" and co-founder Larry Page. PageRank is a way of measuring the importance of website pages. Accordin ...
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Semantic analysis (machine learning) In machine learning, semantic analysis of a text corpus is the task of building structures that approximate concepts from a large set of documents. It generally does not involve prior semantic understanding of the documents. Semantic analysis st ...


References

{{Google LLC Search engine optimization
Hummingbird Hummingbirds are birds native to the Americas and comprise the Family (biology), biological family Trochilidae. With approximately 366 species and 113 genus, genera, they occur from Alaska to Tierra del Fuego, but most species are found in Cen ...
Internet properties established in 2013