Ten-year change history of Seomoz:google algorithm

Recently SEOmoz released a new topic about Google algorithm changes. From 2000 to 2011, each upgrade has been detailed enumerated, as follows:

　　

Google's algorithm changes 500-600 times a year, but many changes are small. But every few months, Google will do a larger algorithm upgrade, which will directly affect the results of the search rankings.

As a search engine marketers, understand the changes in these algorithms to help analyze the site rankings and traffic changes, the following we listed a few impact of the larger algorithm upgrades, familiar with the changes in these algorithms will help your SEO work.

2000

December 2000 –google Tool strip

Google released its browser toolbar, it is the toolbar green strips (pr value), so that countless webmaster for the crazy, and even formed a trade chain. Every three months after the "Google dance", the webmaster are most concerned that the green strip has not been longer.

Google's official news: Google launches the Google Toolbar

2003

February 2003 –boston

In the year Boston convened the Search Engine Strategy Conference (SES) officially named an algorithm upgrade, Google is also the first name of the algorithm upgrade. At first, Google was mainly on a monthly upgrade, so the first few upgrades are a combination of some algorithm changes and included Refresh (Google dance). As upgrades become more frequent, the monthly upgrade plan soon dies.

April 2003 –cassandra

Google has released an upgrade to some basic quality issues, such as a large number of links from the same domain name, whose value has been reduced. In addition Cassandra for hidden text and links have also been targeted treatment.

Related reports: Google–update "Cassandra" is here

May 2003 –dominic

In May 03, Google made a number of upgrade changes, Dominic specifically upgraded which parameters are not clear. Google's "vertical" "Horizontal" spider "Freshbot" and "Deepcrawler" crawling all over the web, the way Google calculates the chain seems to have made a great change.

Related report: Understanding Dominic–part 2

June 2003 –esmerelda

The upgrade is the latest in Google's monthly upgrade plan, and Google's upgrades will be more frequent in the future. "Google Dance" is also replaced by "Everflux". Esmerelda is primarily a centralized upgrade of the search architecture.

Related reports: Google Update Esmeralda

July 2003 –fritz

"Google Dance" with the Fritz upgrade towards the end. Previous monthly index upgrades have been replaced by today's Daily index changes.

Related reports: Explaining algorithm updates and data refreshes

September 2003 –supplemental Index

To add more content without disrupting the original operating interface, Google incorporated some of the results into the "supplemental" link. and enter the meaning of "supplemental" quickly become the hot topic of SEO discussion. Until 2006 Matt came out to refute the rumor, the result is still inconclusive ...

Related reports: Search Engine Size Wars & Google ' s supplemental Results

November 2003 –florida

This upgrade is mainly for some of the outdated black hat cheating methods, such as keyword piling and so on-these are very popular at the time some SEO methods. Many of the site's rankings fell sharply, furious surprise all have.

Related reports: What happened to I Site on Google?

2004

January 2004 –austin

Florida has done a clean-up on some of the old black Hat technologies, some of which are missing, and are being upgraded by Austin. Austin can be penalized for a number of single page optimization behaviors, including hidden text, meta tag piling, and so on. Some have speculated that Google is pursuing its "hilltop" algorithm, which attaches more importance to the relevance of content.

Related report: The latest on update Austin (Google ' s January update)

April 2004 –brandy

Google has released a number of upgrades, including an increase in index numbers, a potential semantic index (latent semantic indexing (LSI)), a focus on anchor text relevance, and "link neighbors (those linked to your site)" and so on. The application of LSI marks a new phase in the technology of semantic and keyword analysis in google.

Related reports: Google ' s Brandy Update exposed

August 2004 –google IPO

This is not an algorithm upgrade, but a big event in Google history. Google listed in 2004, issued 19.6 million shares, the initial share price of 85 U.S. dollars. This history can be said to be quite difficult, the listing is not as smooth as expected, whether the share price or shares, are reduced by 25% than the original plan, but later ... You know.

Related reports: Google IPO priced at $85 a share

2005

January 2005 –nofollow

In order to cope with spam and control the quality of the link, google,yahoo,bing the three giants jointly launched the nofollow tag. Nofollow helps clear unwanted spam links, including some spam blog comments. The introduction of Nofollow has influenced the idea of the construction of the chain to a great extent. But so far everyone has no unified conclusion on the meaning of the nofollow label.

Related reports: Google, Yahoo, MSN Unite on Support for Nofollow attributes for Links

February 2005 –allegra

Stationmaster noticed the fluctuation of the rank, but the concrete factor is not clear. Some people think that Allegra is involved in the "sandbox effect", some people think that Google's "latent Semantic index (LSI)" is playing a role, and some people believe that Google is targeting those "suspicious" links to punish.

Related reports: Google ' s Feb Update

May 2005 –bourbon

"Googleguy" (Matt Cutts and others) claims that Google is upgrading the search quality by 3.5, and no one knows what the 0.5 refers to, but many speculate that bourbon mainly deals with repetitive content and URL normalization.

Related reports: Google Update "Bourbon"

June 2005 –xml Sitemaps

Google allows users to submit XML site maps in the background of webmaster tools, mainly to facilitate the collection of search engines, so. Google's XML map files are now standard for Web sites.

Related report: New "Google sitemaps" Web Page Feed Program

June 2005 –personalized Search

Unlike previous personalized searches based on your settings, this upgrade mainly uses your historical search data. Even if you don't have a login account and you don't have personalized settings, your history search record will also affect your search results. This also explains how many people have different questions about the search results for the machine.

Related reports: Google relaunches Personal search–this time, it really is Personal

September 2005 –gilligan

Seems to be a "false alarm", webmaster found the ranking changes, but Google said there is no recent algorithm upgrade. Matt Cutts A blog about this, saying that Google's rankings will change every day, but the PR value of the sidebar and some other parameters are only changed once every three months.

Related report: What?s an update?

October 2005 –google Local/maps

Google has integrated maps into LBC since March 2005, when it launched the Local business Centre (Business Center) and encouraged merchants to upload their information. This consolidation has had some impact on local SEO optimization.

Related reports: Google Merges and Maps products

October 2005 –jagger

This is a larger than the launch of Google upgrade action, mainly for some low quality outside the chain, including reciprocal links, link farms, paid links and so on. The Jagger operation lasted for at least 3 months, from September to November, of which October had the greatest impact.

Related report: A Review of the Jagger 2 Update

November 2005 –big Daddy

Related reports: Indexing timeline

2006

November 2006 –supplemental Update

Google will add supplemental (supplemental) links after some search results. Is it good or bad when your content becomes "supplemental" to others? The results are inconclusive, but Matt later said that entering the supplemental was not a punishment for the site, nor a bad thing ... Continue to have no verdict!

Related reports: Confusion over Google ' s supplemental Index

December 2006 –false Alarm (False alarm)

There are some discussions on the web that, since the November rankings changed, there was another algorithm upgrade in December, but Google's statement did not change significantly.

Related reports: Google Update debunked by Matt Cutts

2007

May 2007 –universal Search

The traditional 10-result interface is no longer coming back, and Google's search results will include more content, including news, videos, pictures, local information, and much more.

Related report: Google 2.0:google Universal Search

June 2007 –buffy

To pay tribute to the departure of Vanessa Fox, Google made a "Buffy" upgrade. A lot of people are not sure what the upgrade is all about, Matt Cutts says Buffy is a centralized upgrade for some minor changes.

Related reports: Google "Buffy" Update–june google.com Update

2008

April 2008 –dewey

At the end of March, at the beginning of April, there was a big fluctuation in the position of Google, but the factors involved were unknown. Some people suspect that Google is starting to push its own services (such as Baidu's monopoly), such as Google Books, but there are no obvious signs. Dewey's name comes from Matt Cutt, who asks users to add the word when he collects feedback from users about the upgrade.

Related reports: Google ' s Cutts asking for Feedback on March/april ' Update

August 2008 –google suggest

When the user enters a keyword in the search box, Google gives the search advice in the form of a drop-down box. Google suggest late upgrade to Google Instant, more powerful.

Related report: google.com Finally Gets Google suggest Feature

2009

February 2009 –vince

Google's upgrade seems to have a passion for big brands, and some of the big brands are in excellent positions. Matt Cutts claims that "Vince" is only a minor change, but many people think it is an escalation that affects the long term.

Related reports: Google ' s Vince Update produces big Brand rankings; Google Calls It A Trust "Change"

February 2009 –rel-canonical Tag (URL standardized label)

Google,yahoo and Bing jointly claim to support the new tag: Canonical. The label allows webmasters to express standardized URLs without affecting the user's use.

Related reports: Learn about the Canonical Link Element in 5 minutes

August 2009 – Caffeine (Beta)

Google launches a new version of the search Architecture preview, the new architecture can improve crawl speed, improve the index, and can be real-time collection and sorting work. The caffeine was officially launched in June 2010.

Related reports: Help test some next-generation infrastructure

December 2009 –real-time Search (Real time)

The results of this real-time search include the Twitter message source (now canceled), Google News, the latest content, and other sources of information. And these sources have been expanding, including a lot of social media information.

Related reports: Google launches real time Search Results

2010

April 2010 –google Places

Although Google launched the "Places" page in September 2009, it was only a part of Google Maps. The places was upgraded with the name "local Merchant Center", a closer integration with local search results, and added some new features, including local advertising options.

Related report: Introducing Google Places

May 2010 –may Day

At the end of April and early May, the webmaster mainly to a lot of long tail key words of the flow of a substantial decline. Matt Cutts later confirmed that "May Day" was a Google algorithm upgrade for long tail keywords, and many low-quality content sites have been hit, especially on e-commerce sites. The upgrade is also a harbinger of panda action.

Related reports: Video:google ' s Matt cutts on could day Update

June 2010 –caffeine Caffeine (officially launched)

After months of testing, Google officially launched the caffeine indexing system. The introduction of caffeine not only speeds up Google's search speed, but also a great improvement in index collection, new content can be included faster, which also for the future of the panda algorithm buried the foundation foreshadowing.

Related reports: Our new search Index:caffeine

Post-panda seo– drinking a long tail of caffeine

August 2010 –brand Update

Google allows the same domain name to be displayed more than once in search results. Simply put, in the previous search results, the same site in the search results often show only one or two of the content, but this upgrade allows the same site content to be displayed multiple times, as long as the content OK.

Related reports: Google Search Results dominated by one Domain

September 2010 –google Instant

For "Google suggest" an extended upgrade, Google Instant can allow users to enter the keyword in the search box immediately see the corresponding results, and do not need to click the "Search" button, the most simplified the ultimate performance. This upgrade is primarily for search behavior, but does not have much impact on sorting search results.

Related reports: About Google Instant

November 2010 –instant Previews (instant preview)

Google adds a magnifying glass icon to the right of its search results to allow users to preview the site directly on the Google results page. The upgrade of this feature shows Google's Landing pages of quality, design and ease of use of the renewed attention, but also caused by the SEO workers to these factors attention.

Related report: Beyond Instant Results:instant Previews

December 2010 –negative Reviews (negative review)

After the New York Times's approach to Decormyeyes's use of various websites and forums for negative reviews (frequent exposures) to improve its ranking, Google has tailored its algorithm to its algorithmic standards for this type of cheating.

Related reports: Being bad to your customers are bad for business

December 2010 –social Signals (socialization factor)

Both Google and Bing confirmed that they would cite social factors as a new ranking, including Facebook and Twitter data. Matt Cutts This is a relatively new development action for Google, although all SEO workers have been looking forward to it for quite some time.

Related reports: Google webmaster video reconfirms use of Social signals

2011

January 2011 –overstock Punishment

Overstock was punished by Google: It was also a preview of the panda action. This news in the domestic also caused a relatively large fluctuations. As of February, the same famous brand JCPenney also suffered punishment. These two times for the big brand site of the right to reduce action, are for the launch of the panda action to warm up.

Related reports: Google penalizes overstock for Search tactics

January 2011 –attribution (original attribution) Update

For the increasingly rampant spam content, Google's algorithm upgrades for original content and distribution and acquisition content, according to Matt Cutts, has affected 2% of search results. The upgrade is a precursor to panda action.

Related report: Algorithm change launched

February 2011 – Panda Algorithm/content Farm

This is the biggest one of Google's algorithm upgrades this year, causing a common concern around the world. From Google's official data, the upgrade affected 12% of the search results. The panda algorithm focuses on low quality content, content farms, advertising content, and other quality factors. This upgrade has a very significant impact on some large sites.

Related reports: 25 dead in Google new algorithm under the knife of the famous site

March 2011 –+1 Button

Prior to the introduction of plus, Google launched its +1 buttons, similar to Facebook's like or Twitter tweets. This button can be used not only for users on their web sites, but also for direct integration into search results (including natural results and AdWords ads), allowing users to personalize their content and influence the ranking of their entire social circle (circles).

Related reports: Google+1 Button officially released

April 2011 –panda 2.0

Google is "panda" for all English search results in the world, not limited to the "English-speaking countries" of the past. The upgrade also adds some new ranking factors, citing user behavior as a ranking factor for search results, such as shielding against certain search results.

Related report: Panda 2.2来 attack, everybody please note

May 2011 –panda 2.1

The first is the webmaster to become "Panda 3.0 ″, is Google on the basis of the 2.0 on the upgrade." This upgrade and the impact of the changes are relatively small, so the webmaster discussed also relatively few.

Related reports: It ' s Panda Update 2.1, not Panda 3.0, Google Says

June 2011 –schema.org

Google, Yahoo and Microsoft's Big Three search giants are jointly launching a new common tag vocabulary set based on the microdata format. Designed to show richer search results through these generic microdata.

Related reports: About HTML5 and schema.org– is the next generation of SEO standards

June 2011 –panda 2.2

Panda 2.2 was officially confirmed by Google at the SMX convention. Since the launch of the panda, Google has been continuously upgrading the algorithm to improve it. According to Cutt, the upgrade is focused on what is being replicated, and the upgrade is manually turned on.

Related reports: Official:google Panda Update 2.2 is Live

June 2011 –google+

After many social products have been knocked out of the market, Google has finally launched its blockbuster product: Google Plus, which is directed at Facebook. Google + is characterized by a circle of content sharing, and with other Google products closely linked, such as Gmail. G+ 's launch quickly get the user's hot hold, a short period of two weeks, the number of users reached 10 million.

Related reports: Google's ambidextrous –plus directed at Facebook and Twitter

July 2011 –panda 2.3

Webmasters are beginning to debate whether Google's panda algorithm has been upgraded again. Search Engine Land finally confirmed from Google: "This upgrade is our annual up to 500 word algorithm changes." It is not yet clear whether the upgrade has added a new ranking factor, or just the original ranking factors and the simple upgrade of the data.

Related reports: Official:google Panda 2.3 Update is Live

August 2011 –panda Goes Global

Panda (Panda algorithm) global deployment, in addition to Chinese, Japanese and Korean web site, all the other language search structure has been Panda. Google reported that the upgrade would affect the sequencing of search results for 6-9% deployment countries.

Related reports: High-quality sites algorithm launched in additional languages

August 2011 –12-pack SiteLinks

Google's SiteLinks expanded to 12. Creating SiteLink in Google has always been a dream for SEO workers, because it marks the extent to which the site has been recognized by Google and the degree of branding. August 16, Google in its official blog announced its sitelinks algorithm and to improve, the new sitelinks has been increased to 12, format contains: page title, URL and introduction. Similar to normal search results, this will help users find popular content on the site.

Related reports: The evolution of sitelinks:expanded and improved

Original address: Google algorithm change History

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