Google Algorithm Updates

23rd
September
2016
Penguin Update

Penguin 4.0 Released

Google confirmed on 23rd September 2016 that Penguin 4.0 has been released and will be rolling out for next few weeks and for all languages. The key things about Penguin 4.0 is; it is now real time that means it will impose & remove penalty as it crawls & re-crawls sites. As it becomes the part of core algorithm, further refresh will not be declared. The next big thing is, it is more granular which may mean it is not a site-wide penalty like its earlier versions.
12th
May
2016
Mobile Update

Mobile-friendly 2

Google rolled out its second version of mobile-friendly update on 12th May 2016.

In this move, the search giant will give extra ranking signal boost to the relevant & mobile-friendly webpages. However, webpages having great & relevant content but not mobile-friendly will not be demoted & still can enjoy the high ranks.
23rd
February
2016
AdWords

AdWords Shake-up

AdWords positions shaken up from right column to the top of the SERP with this major move from Google. You can now see 4 ads on the top of the Google search page and no ads on the right column.

This update was rolled out on 23rd February 2016. This AdWord update has significant impact on paid campaigns as well as on organic results and CTRs.
08th
January
2016
Quality Update

Google Core Quality Update

On 8th January 2016, marketers & SEO experts felt some major Google ranking swaps for both the desktop and mobile queries.

John Mueller & Gary Illyes from Google confirmed the update is related to core algorithm update.
17th
December
2015
HTTPS Update

HTTPS Update

On 17th December 2015, Google announced that they are now indexing HTTPS pages by default. As user security is a top priority for Google, it is another step in providing more secure web to the users.

Google has set some criteria to choose HTTPS over HTTP, if there are two URLs from the same domain seem to be sharing the same content but are served over different protocol schemes.
26th
October
2015
RankBrain

RankBrain

Google developed a machine learning Artificial Intelligence system named as RankBrain, which interprets a very large fraction of the millions of queries per second that is typed in Google search.

RankBrain is now one of the most important signals contributing to the result of a search query. As per Google, with RankBrain in play, Google search is now in a much better position to interpret the context of a search query so that users will get more quality results for their queries.
05th October
2015
Hacked Algorithm

Hacked Site Algorithm

On October 5, 2015, Google has come out with a new update to curb the spammers. The search giant has stated in its site that it has started rolling out a new algorithm to remove the spammed or hacked pages from its search results in order to protect users & webmasters.

Roughly 5% (which is big enough) of the search queries depending upon various languages are expected to be affected by this algorithm. How much authoritative a site may be; if it makes itself vulnerable for spamming activities by hackers or spammers, it is going to be affected by this change.
18th
July
2015
Panda Update

Panda Algorithm 4.2

Finally after a gap of around ten months, Google has revealed their tweak of Panda algorithm i.e. panda algorithm 4.2 on 18th July 2015. This one is slow & may take months to complete.

Also, it is going to affect the low quality sites slowly as per their statement. 2-3% English queries are estimated to be affected. As per its core objective, it is all about quality content. Sites previously penalized by earlier Panda updates are going to see positive results if & only if they have taken sufficient measurements to improve their quality.
3rd
May
2015
Quality Update

Quality Update

After a long confusion among webmasters due to some rank swaps, Google finally disclosed the fact that they have made some changes in core ranking algorithm on 3rd May 2015.

This quality update is a makeover to the overall core ranking algorithm associated to the quality signals which they use for the calculation of ranks.

May be this one represents the earlier version of Rankbrain update later disclosed by Google in October. (Please refer to RankBrain update in October 2015).
21st
April
2015
Mobile Update

Mobile Update (Mobilegeddon)

This much-hyped mobile algorithm update known as Mobilegeddon, came into the limelight on 21st April 2015. The good thing is Google has declared about this one couple of months ahead so that webmasters can change their sites for more mobile-friendly design.

The core intension behind this move is; as the share of mobile search is increased year by year, so mobile-friendly sites gain better ranking than their counterpart for better UX in Google search. Webmasters globally will witness a drastic change in their mobile rank if their site is not mobile friendly.
22nd December
2014
Pigeon Update

Google Pigeon Algorithm Refreshed

This refreshed Pigeon algorithm from Google has stepped its first footstep on 22nd December 2014 aiming for more useful, relevant and accurate local Google search results in the UK,Canada, Australia and other English speaking countries. Google launched Pigeon update in July, 2014 aiming for better search results for local search queries.

This new update will bring more traffic in the organic search results to the local business market sites. So this is an added advantage for them to boost their ranking.
10th December
2014
Penguin Update

Penguin 3.0 extended

Extended penguin 3.0 version embarked its journey from 10th December 2014. This is meant for the rolling over small changes continuously instead of one single major change in their Penguin series.

Traditionally Penguin algorithm has been updated offline, but from now on there will be number of thin live updates in their algorithm on the go.

May be it is a great relief for webmasters penalized by Penguin. Previously, once penalized, they have to wait for the next update to regain their ranking and the time gap from two updates in this series is nearly 8 to 12 months.
21st October
2014
Pirate Update

Pirate 2.0 Algorithm

Google launched pirate 2.0 on 21st October 2014 in a motive to take more stringent action against the infringement of right to software and digital media piracy.

This tweaked anti-piracy version from this search giant is for the sites which have the large number of DMCA takedown complaints.

Due to the effect of this new pirate version, the most notorious pirated sites will be demoted extensively in the Google ranking.
17th October
2014
Penguin Update

Penguin 3.0

Google has come up with a refreshed penguin algorithm i.e. penguin 3.0 on 17th October 2014. This is rolling out very slowly and will take several weeks to complete.

A very small portion, mere 1 % English language search results have been affected which is much lesser figure than what the SEO enthusiasts expected.

This time, the affected sites of penguin 2.1 will get a chance to recover if they have cleaned their link metric & other factors associated with Penguin properly and the new sites which are trying to manipulate with spam links will be demoted.
23rd September
2014
Panda Update

Panda 4.1

Panda 4.1 started to roll out on 23rd September 2014. In this move, Google is committed to bring the Small and medium sized sites containing high quality content in diversified higher ranking in the organic search result.

On the other side, low quality content sites will be identified in a more precise manner with this tweaked panda algorithm.

3-5 % search queries are expected to be affected in this global roll out.
28th August
2014
Google Authorship

Google Authorship Removed

Finally on 28th August 2014, Google revealed that it has completely discontinued the process of keeping markup for the authorship status on the search result after a long 3 years of experiment on authorship markup.

However the author ranks will not be affected by this move as confirmed by Google; hence webmasters will not experience any traffic variation on their sites.
06th August
2014
HTTPS Update

HTTPS Update

On a bold move, Google announced that it will be boosting the ranking of the sites those who have switched to the “https” mode but in a small proportion on 06th August 2014.

The search giant will use HTTPS as a ranking signal, as there seems to be a positive result in the effort of making all sites encrypted.

It is expected to affect a mere 1 % of the search queries.
24th
July
2014
Pigeon Update

Pigeon – Google’s Local Search Algorithm Update

On 24th July 2014, Google has moved further and added an update to their local search algorithm in a strong determination to give more useful, accurate and relevant local search results. Unlike the minor updates that Google use to do with algorithm, this one is huge for local algorithm like a complete makeover of the whole thing.

Local market business sites might see variation in their web referrals and search traffic. The relevant changes will be visible within the Google Maps search results and Google Web search results.
25th
June
2014
Author Photo

Authorship Photo Drop

On 25th June 2014, Google’s John Mueller announced that the authorship photos will be dropped from all search results in an initiative to give the mobile users a better visual experience and maintaining a consistent viewing in all searching devices.

However, this shocking step from Google will not affect the click through behavior of users. Here it is worth-mentioning that, the authorship was being promoted heavily in connection with Google+ profiles before this step took into effect.
12th
June
2014
Pay Day Loan

Pay Day Loan 3.0

On 12th June 2014, Google launched the next update for pay day loan algorithm i.e. version 3.0 and this time it is set to act heavy on very spammy queries.

Spammy queries like "payday loans," "casinos" and various pornographic terms will be filtered out from the Google search as these are used heavily by some lower quality sites to boost the traffic into their sites.

The interesting thing is Google released it just after one month from the version 2.0. The basic difference between 2.0 & 3.0 is; the former was meant for spammy sites but the recent one is targeting spammy queries.
20th
May
2014
Panda Update

Panda 4.0

Google’s Spam head Matt Cutt tweeted about the roll out of Panda algorithm version 4.0 on 20th May 2014. This time they have added newer signals to existing Panda algorithm, so it is not just a refresh one but a major update in the series.

The good thing is; it is a gentler version than other versions meant for helping quality sites with better ranking. Approx. 7.5% English language queries are expected to be affected by this update.
16th
May
2014
Pay Day Loan

Payday Loan 2.0

Payday loan 2.0 started to roll out from 16th may 2014 and committed to hit hard to the spammy sites which are following unethical path to gain the traffic to their sites.

This is a global roll out and it is expected to affect 0.2% of the English language search queries and will have varying impact on different languages.
06th
February
2014
Page Layout Algorithm

Page Layout Algorithm 3.0

On 06th February 2014, Google comes out with a refresh to their page layout algorithm which targets the sites with number of ads at the top of the site which actually lure the viewers to go through the ads.

It is also named as top-heavy algorithm. Google will demote heavily such sites from the organic search ranking as the actual content of the site which the viewer want to see placed down the fold resulting a bad experience for them.

After this algorithm takes effect, users will be able to see sites offering content right away in a more quick and efficient manner at first glance without the need to scroll down.
19th
December
2013
Google Authorship

Authorship Shake-up

On 19th December 2013, Google come up with a new decision to restrict the appearance of authorship status and rich snippet by the authors in search results.

Earlier in October, Matt Cutts mentioned the testing of such things. This move seemed to affect 10 to 15% drop in authorship mark-ups in search results. This new change meant for improving quality of the search but Google didn’t clarify whether it was author-oriented or site-oriented.
04th
October
2013
Penguin Update

Penguin Update 2.1

On 4th October 2013, another update was released in Penguin series and named as Penguin 2.1. Matt Cutts revealed this release in Twitter and mentioned that it was going to impact around 1% of search queries.

As it is dubbed as 2.1, it seems that it is not a big update; only some minor adjustment or improvement was done on the last update Penguin 2.0. What exactly the new signals added or changed is still not clear.
20th
August
2013
Hummingbird Update

Hummingbird Update

Google introduced Hummingbird algorithm on 20th August 2013 but they announced about the release after around one month on 26th September. This is not an update in general sense. Rather it represents the entire search algorithm.

As per their statement, they have to change/ update the existing algorithm to provide accurate, precise and fast results for search queries. With Hummingbird, much improvement has been focused on better understanding of voice searches, long searches like direct questions etc. Now the search engine is at a better position to understand the whole queries rather than giving importance to specific words in a query.
06th
August
2013
In-Depth Articles

In-depth Articles

Google starts providing in-depth article from 06th August 2013 to satisfy the users who want to learn the topic in-depth and broadly. As per their blog post, 10% of queries by an average user is meant for in-depth information.

So, from now on Google will provide some in-depth articles along with the normal search results for some query but certainly not for all query.

The best part is; Google doesn’t take only high quality or brand site into consideration when it refers to in-depth articles. An in-depth article may be from a local newspaper, or from a personal blog also.
18th
July
2013
Panda Update

Panda Recovery

A softer Panda algorithm update started to roll on 18th July 2013. It is a confirmed update by Google though they’ve previously said that they wouldn’t reveal any update in this series.

Also they didn’t mention anything like softer version. Some webmasters felt that they have been recovered after this one while nothing was heard about its negative impact.
27th
June
2013
Multi-Week Update

Multi-Week Update

Multi-week update started to roll out on 27th June 2013. This one came to news from the reply tweet of Matt Cutts.

He stated that it would be continue for another couple of week but not about the nature of the update. Though a lot of fluctuations seen in different tools and so many webmasters revealed the traffic disturbances but nothing could be said in particular about the nature of the roll out.
11th
June
2013
Pay Day Loan

Payday Loan Update

Google introduced a new algorithm on 11th June, which would target specifically very notorious spammy queries such as payday loan or pornographic related terms.

It will take some 1-2 month to complete the roll out. It’s a world-wide release and It will affect about 0.3% of U.S. queries and 4% to the Turkish queries.
11th
June
2013
Panda Update

Panda Dance

On 11th June 2013, Google’s spam head, Matt Cutts confirmed again that Panda was being updated monthly basis and it was following a 10 day cycle period for complete rolling out.

During this 10 day period, it is expected that fluctuations in ranking would be felt by SEO world and hence the term Panda dance, much like the famous term Google dance from the past.
22nd
May
2013
Penguin Update

Penguin 2.0

The much awaited Google webspam algorithm penguin 2.0 rolled out on 22nd May 2013. This update will make an impact on about 2.3% of the total U.S. English language queries.

This is a global update, so it will affect other language also. It is not a data refresh means now Penguin algorithm may be more efficient than its previous version to track link spam.
21st
May
2013
Domain Crowding

Domain Crowding

On 21st May 2013, Google released a new update on domain crowding intended to cut down the number of results coming from one root domain in the first and its subsequent pages.

This is a global roll out and maximum 3 to 4 results per domain will be visible to the user.
09th
May
2013
Phantom Update

Phantom Update

Webmasters felt a heavy displace in the ranking of their site in the early week of May more precisely on 9th May 2013. Heavy fluctuations seemed to be in common all over the world.

Google didn’t confirm but from Matt Cutts’ tweet, one thing was clear that it was not a Penguin hit as against the common belief among many SEOs. As it was not fitting in Panda & Penguin, it was termed as Phantom.
14th
March
2013
Panda Update

Panda Update #25

It seemed to be a Panda refresh on 14th March 2013. Though not confirmed by Google but from the statement made by Matt Cutts earlier this week, it must be Panda.

Also, it was believed to be the last manual push in Panda as Google mentioned that they were in the process to integrate Panda in their indexing process rather than pushing it manually everytime.
22nd
January
2013
Panda Update

Panda Update #24

Panda update #24, a refresh of Panda algorithm, was officially announced by Google on 22nd January 2013.

This refresh Panda was expected to hit 1.2% of English language search results.
21st
December
2012
Panda Update

Panda #23

It was another refresh in Panda algorithm announced by Google on 21st December 2012.

It impacted about 1.3% of the English language queries that means a little higher than the previous Panda refreshes. Though a week before, many webmasters felt a strong change in their ranking but Google denied of any algorithm update.
04th
December
2012
Knowledge Graph

Knowledge Graph Extension

On 4th December 2012, Google announced the extension of knowledge graph in languages like Spanish, French, German, Portuguese, Japanese, Russian, and Italian.

This extension was something more than just translation because the meaning of some words might differ in different languages. So it would be more appropriate for the native users.
21st
November
2012
Panda Update

Panda #22

Google refreshed its Panda algorithm i.e. Panda#22 on 21st November 2012. It was an officially confirmed update. 0.8% English queries were impacted by this Panda refresh.

When Google says data refresh, it means it just runs the algorithm over its database without adding new signals in it. That means the sites that haven’t affected by previous update have least chances to be affected unless otherwise they have done some serious mistakes under this algorithm.
05th
November
2012
Panda Update

Panda #21

Panda#21 refresh rolled out on 5th November 2012.

This refresh was expected to impact to 1.1% of English queries and about 0.4% worldwide.
09th
October
2012
Page Layout Algorithm

Google Page Layout #2

Google’s Matt Cutts announced the 2nd update of Google Page Layout algorithm on 9th October 2012.

It is imperative to remember that Google introduced Page Layout algo to target & punish those sites with intention to aggressively promote ads in the their sites placing them above the content that makes the real content moves down so that users have to scroll to see the same.

This was assumed to noticeably affect 0.7% of English queries.
05th
October
2012
Penguin Update

Penguin #3

On 5th October 2012, Google rolled out updated Penguin algorithm. It was only a data refresh which aimed to fight against the spammers who are trying to manipulate their site in the Google ranking with ill-intention.

It has affected various languages globally with different magnitude ie, about 0.3% of English and Italian queries along with 0.4% of Spanish and French queries.
27th
September
2012
Panda Update

Panda #20

A major update of Panda hit the web on 27th September 2012. It was thought to impact noticeably on 2.4% of English search queries and also 0.5% of other languages queries, as it’s a global update.

This was not just a refresh but a major update. So, it was going have equal probability of impact on all sites irrespective of their status under previous version of Panda.
27th
September
2012
EMD Update

EMD Update

On 27th September 2012, Google’s Matt Cutts announced rolling out a small algorithm change that intended to target low quality “exact match” domains from showing up in the search results.

This update would impact about 0.6% of English US queries. Low quality exact matched domains means, the sites that are using high search volumes keywords as their domain names but have little value to offer quality information to users for the same queries. But this change would not demote the genuine sites with exact domain providing relevant quality information.
18th
September
2012
Panda Update

Panda 3.9.2

Google rolled out panda refresh version 3.9.2 on 18th September 2012. It has impacted approx. 0.7% search queries. As a minor refresh, it was a great chance for those sites to regain their lost ranking due to previous versions of Panda but if & only if they have implemented sufficient quality changes to their content.
20th
August
2012
Panda Update

Panda 3.9.1

On 20th August, Google announced on Twitter that a panda refresh has been rolled out.

This was a minor update and has affected approx. 1% of search queries. Previous Panda victims have got a chance to recover this time.
14th
August
2012
7-Results SERP

7-Results SERP

On 14th August 2012, Google came out with a big change in their SERP, which is now showing 7 results for many queries instead of the traditional 10 results in the SERP.

As per the statement, this 7 pack SERP was just an experiment to provide varying number of search results per page that they normally do periodically. But this time it seemed that this change was seen for around 20% of search query as studied by Moz team.
10th
August
2012
Pirate Update

DMCA Penalty / Pirate Update

On 10th August 2012, Google introduced a new update which aimed to help the copyright owners by ranking the pirated content sites to a lower rank in the SERP.

The no. of DMCA takedown requests will be a new signal for Google to measure the rank of the concerned site. There is also a chance of sites to be removed completely out from Google database in case of sufficient number of valid copyright removal notice submission against a site.
24th
July
2012
Panda Update

Panda 3.9

Google announced on Twitter about this Panda refresh on 24th July 2012.

This data refresh was supposed to impact about 1% of the search queries. Panda update is there to combat the low quality content sites trying to play manipulative ways to get higher position on the search results.
19th
July
2012
Link Warnings

Link Warnings

On 19th July 2012; Google has started sending warning notification to the webmasters about unnatural and suspicious backlinks to their sites.

Matt Cutts stated that this was intended to bring more transparency on the Google ranking and shouldn’t be taken as a penalty notification. Webmasters once receiving such warning should start working to check those links and try to clear them off to avoid any serious consequences in future.
25th
June
2012
Panda Update

Panda 3.8

Google rolled out this Panda refresh on 25th June 2012.

This was only a simple data refresh and no changes in the algorithm or signals. It was believed to affect noticeably 1% queries worldwide.
08th
June
2012
Panda Update

Panda 3.7

Panda 3.7 rolled out on 8th June 2012.

It has less than 1% impact on U.S queries and 1% on queries worldwide.
25th
May
2012
Penguin Update

Penguin 1.1

For the first time Google refreshed its penguin algorithm on 25th May 2012.

This data refresh was expected to impact <0.1% of English queries. Penguin algorithm was designed to fight against over-optimization spam violating their quality guidelines.
16th
May
2012
Knowledge Graph

Knowledge Graph

On 16th May 2012, Google introduced Knowledge Graph.

It was ready to give semantic results to the users and came along with the SERP for the query you are searching for. Here you can get the quick summary for a particular people, places, and things etc. commonly called entity. and it also gives a suggestion of the related queries so that you could find easily everything you are searching for.
27th
April
2012
Panda Update

Panda 3.6

Panda 3.6 started to roll out on 27th April 2012.

This was only a data refresh and its impact was very small.
24th
April
2012
Penguin Update

Penguin

In 24th April 2012, Google finally announced its webspam algorithm and it was officially named as Penguin algorithm. It is one type of over-optimization penalty; mostly related to links or anchor texts.

The intention behind this algorithm is to penalize the sites which are using black-hat techniques to rank higher in the search result and to reward the high quality sites. It was expected to impact 3.1 % of the English queries.
19th
April
2012
Panda Update

Panda 3.5

Google started to roll out panda refreshed version 3.5 on 19th April 2012.

It was just a data refresh and the roll out was really quiet enough. With other changes being on the show, the exact effect of this update couldn’t be tracked.
23rd
March
2012
Panda Update

Panda 3.4

On 23rd March 2012, Google announced rolling out of this Panda refresh.

Approx. 1.6% of the search queries are expected to be affected by this data refresh. It will battle against the poor-quality sites.
27th
February
2012
Venice Update

Venice Update

Though the exact date is unclear, in the month of February 2012, Google introduced this local update to give more local information according to the location by triggering it’s localize organic results.

Google confirmed about the code name “Venice”. This update will help the users who often find themselves lazy to add up their city on the search page but seek more local data.
27th
February
2012
Panda Update

Panda 3.3

On 27th February 2012, Google announced about the panda algorithm refresh. This update will make the panda algorithm more accurate and sensitive to recent changes on the web.

No additional ranking signal this time as it is only a data refresh.
19th
February
2012
Page Layout Algorithm

Ads Above The Fold / Page Layout Algorithm

Google announced a new algorithm on 19th January 2012, known as Page layout algorithm which will demote the sites containing too much ads above the fold.

Too much ads above the fold create a bad UX that makes users scroll down to find the real information for which they visit that sites. This algorithm is meant for such webmasters those deliberately place such ads above the fold and push the real content way below the page.
18th
January
2012
Panda Update

Panda 3.2

Panda algorithm refresh version 3.2 started to roll out on 18th January 2012.

There is no change in the signal or algorithm; this is only a data refresh.
10th
January
2012
Search + Your World

Search + Your World

Google introduced a new “search + Your World” format in the search page on 10th January 2012.

Here you can get the related people, pages, Google+ profiles which will make the search easier, valuable and relevant. This will give the user more personal search experience. For any search related to something that you have already shared in Google+, publicly or privately will appear in the search results; be it a link, image or anything else.
18th
November
2011
Panda Update

Panda 3.1

On 18th November 2011, Google tweeted about the Panda algorithm data refresh.

It is a minor update and impacts less than 1% of all search queries.
03rd
November
2011
Freshness Update

Freshness Update

Amit Singhal, Fellow at Google on 3rd November 2011, announced officially that they were rolling out new search algorithm change that aimed at providing more fresh results than before.

It impacted roughly 35% of searches. They have improved in their ranking algorithm that would decide which type of search query you have inquired and how much freshness is needed for this query. Accordingly it will return you that level of freshness of data.
18th
October
2011
Query Encryption

Query Encryption Update

Evelyn Kao, Product Manager at Google on 18th October 2011, posted in the Google BlogSpot that this update would encrypt search queries and Google’s results page mainly for privacy reasons.

If the user is signed in to the Google account and searching from “https://www.google.com”, and going to a specific website from the organic search listings, then the webmaster will only know that you came from Google but will not receive information about each individual query you have searched.
05th
October
2011
Panda Update

Panda Flux Update

On 5th October 2011, Matt Cutts from Google announced on twitter that they were expecting Panda related flux in following few weeks.

But this update was assumed to impact less than the previous Panda updates i.e. approx. 2% of search queries.
28th
September
2011
Panda Update

Panda 2.5

On 28th September2011, another panda update rolled out. Specifics about its nature was not disclosed but many webmasters felt that they have got hit by it again even after recovery in some earlier updates.

So, it might not only be a refresh, rather new signals might have been added or some changes must have been done in earlier signals.
15th
September
2011
Pagination

Pagination Elements

Google wanted to stop the crawling and duplication issues created by pagination, so on 15th September 2011, they introduced rel="next" and rel="prev" attributes to indicate the relationship between component URLs in a paginated series of content.

Pagination comes into play in the presence of multiple sub-pages under a single important page like blog pages or category pages where the inner pages are just the extension of the primary page due to continual addition of new data.

Through this update, Google will improve the automatic consolidation and canonicalization for "View All" pages.
16th
August
2011
Expanded Site Links Update

Expanded Site Links Update

On 16th August 2011, Google introduced a new update in their algorithm to show expanded site links, mostly for the branded queries which are coming generally in the first page of the search result. Site links are very much useful because they help you quickly navigate to the most relevant part of the site.

As more people are using site links to get their desired result quickly, maximum number of site links per query expands from eight to 12. Site links will now be full-size links with a URL and one line of snippet text which is similar to regular results of a query.
12th
August
2011
Panda Update

Panda 2.4

On 12th August 2011, Google confirmed about their Panda update 2.4 which was rolled out internationally and covered most of the languages i.e. for both the English -language queries and non-English queries except for Chinese, Japanese, and Korean.

This Panda update responded a very positive result and improved the search quality by returning high quality sites to the users. For most languages, this update impacted typically 6-9% of queries.
23rd
July
2011
Panda Update

Panda 2.3

Though this update is unclear & not confirmed but the webmaster forums suggested that it was a small update to the Panda filter. It is unknown that whether it is a data refresh or some new signals were introduced.
28th
June
2011
Google +

Google+

Google introduced a new social media platform on 28th June 2011, after a number of failures to take on social networking giant Facebook. This is quite a different model which has focused on sharing content through social groups called ‘Circles’ and it is tightly integrated with Google’s other major products.

Google claimed that within 2 weeks of its release, there are 10 million users on board and are sharing and receiving 1 billion items per day.
16th
June
2011
Panda Update

Panda 2.2

This started rolling out around 16th June and confirmed by Google. This was not a data refresh. Matt Cutts, the head of spam team from Google declared that the prime intention behind Panda 2.2 was to target scraper sites more efficiently. That means sites having content scrapped from other sources ad with less original & low quality content may face sever rank & traffic down in coming days.
02nd
June
2011
Schema.org

Schema.org

On 2nd June 2011, Google, Bing and Yahoo! jointly announced Shema.org. This is a new initiative from the major search engines to create and support a common set of schemas for structured data markup on web pages.

By this, web will be richer and more useful for all the searchers. So the site owners can improve their sites by adding this markup and see how their sites appear in search results in all major search engines like Google, Bing and Yahoo!
09th
May
2011
Panda Update

Panda 2.1

Google did not announce officially this update. But on 9th May 2011, SEO enthusiasts felt it like a very small change in the Panda algorithm.

This was a very minor tweak in the Panda update as compared to the previous Panda updates.
11th
April
2011
Panda Update

Panda 2.0

On 11th April 2011, Google officially announced about this Panda update 2.0. This was the first update in Panda series after it was released last February. That time it was released only for US. Google rolled out this update globally for all English queries.

User feedback data was incorporated in this update. Users can block sites from appearing in search results by either through the Chrome extension or directly in the SERP itself. Also with this update, Google is now more efficient to target low quality content in much inner pages of low quality sites.

The impact of this new signal change accounts for 2% of U.S. queries.
28th
March
2011
+1 Button

The +1 Button

On 30th March 2011, Google introduced its “+1 button” which will help the users to recommend a relevant and good site to other searchers in their circle by just clicking on it which appears besides every search result.

This is the personal view from the concerned user and only can +1 it when they are logged in through their Google account. Other users apart from your social circle who are not connected with you cannot see your name but acknowledge that somebody has +1d it.
23rd
February
2011
Panda Update

Panda Update 1

Google launched a major algorithm update named as Panda update on 23rd February 2011. This update was introduced to target and penalize thin content, content farms, sites with high ad-to-content ratios etc. Basically this was meant to measure the quality issues associated with a site and mostly content related.

This has impacted approx. 11.8% of the search queries & initially it was launched in U.S. only.
28th
January
2011
Google Attribution Update

Google Attribution Update

On 28th January 2011, Google’s Matt Cutts announced about a new algorithm change which would drive out spam level to a very low extent and it is arguably indicating about the Panda update which was released within one month after this one.

The sites which are copying content from other sites and those which have less amount of original content will be penalized heavily. This update is expected to impact approx. 2% of the search queries.
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