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Google Algorithm History
A timeline that highlights the Google algorithm updates most relevant to local businesses.
Google Penguin 4.0 Announced – Friday September 23 2016
Google Penguin 4 was announced and includes a few pieces. First, it is now a part of the core algorithm and will update in real time. Second, it will be more “granular” or page specific as opposed to affecting the entire domain.
News:
Google Penguin 4.0, Possum, And Craziness Update September 2016 (HOTH Blog)
Penguin 4 Official Announcement (Google Webmaster Central)
Google Went Crazy September – Early to Mid September 2016
Around Sept 1-2 many tools reported high serp fluctuations, especially in local search. Unfortunately there hasn’t been a lot of data to support what exactly changed. Google’s results started changing again around the 15th, so we are waiting for things to calm down.
News:
Is a big Google search update happening? (SEL)
Google downplays the algorithm ranking update this week as “normal fluctuations” (SEL)
Mobile Friendly Boost Update – May 12, 2016
This was another update that gave a slight boost to sites that are mobile friendly within mobile search results. As with the AMP Project, Google seems to be really focused on mobile, but with good reason.
News:
Continuing to make the web more mobile friendly (Google)
Adwords Change – Feb 23, 2016
Google removes sidebar ads in the search results and adds a 4th ad to the top block.
News:
The Winners and Losers of The Adwords Shakeup – (HOTH)
Google AdWords Switching to 4 Ads on Top, None on Sidebar
Ghost Update – Jan 8, 2016
Lots of tools reported changes / serp fluctuations around these dates in early January. Most SEOs expected this to be the new Penguin update, but Google denies this. Google said later on that this was a core algorithm update. There were no reports of huge losses.
2015 Updates
Rank Brain Algo Change – Announced Oct 26 2015, Went Live Months Before
Google announced a change to it’s algorithm called Rank Brain – Basically Artificial Intelligence learning. There are no new glaring differences in ranking factors however.
News:
RankBrand & Artificial Intelligence? (Bloomberg)
Google Zombie Update – Oct 14th / Oct 15th 2015
This wasn’t an official update however many webmasters reported big fluctuations around this time. There was a huge thread at webmaster world about it.
News:
Google Zombie Update? (SER)
Google Snack Pack / Local 3 Pack – August, 2015
Not an algo change but an important update – Google rolled out a new design for local, getting rid of the normal 7 pack (map) and changing it to a 3 pack. This raised a few different points of discussion as we noted in our article on the 3 pack change here.
News:
Google Local Snack Pack Shakeup (Moz)
Panda 4.2 – July 17, 2015
Google announced a Panda update, not much happened. They said it would take months to roll out.
News:
Everything We Know About Panda 4.2 (SEM Post)
Google Quality Update – May 3, 2015
This was called a “Phantom 2” update and obviously something happened, but it wasn’t confirmed until after the fact. Google didn’t specify anything except “quality signals” change.
News:
The Quality Update (SEL)
Google Mobilegeddon Mobile Update – April 22, 2015
Google updated it’s algorithm to change the way results are ranked on mobile devices. It gave preference to sites who were mobile friendly and demoted sites who are not mobile friendly / responsive.
News:
How To Prepare For Mobilegeddon (The HOTH)
Google: Mobile Friendly Update (SEL)
What Really Happened & How to Beat This Update:
Google released this update the impact was less than expected. We created an article with all the information on how to check if your site is affected here: Google Mobile Update
No Name Update – February 4, 2015
There was no official update but many serp tracking tools reported movement.
News:
Google Update Feb 2015 (SER)
2014 Updates
Penguin 3 – Oct 18, 2014
After a year since the last major penguin update, Penguin 3 started rolling out this past weekend. What was expected to be a brutal release seems to be relatively light in comparison to other updates. According to Google, it affected 1% of US English Queries and this is a multi-week roll out. To give some comparison, the original Penguin update affected >3% (3x) the queries. There are many reports of recoveries for those who had previous penalties, did link remediation / disavow.
News:
Google Releases Penguin 3.0 (SEL)
Google Confirms Penguin 3.0 Update (SEJ)
Penguin Update Official (Google)
What Really Happened & How to Beat This Update:
Seems like this update was lighter than expected. Across the sites we track, we haven’t seen much out of the ordinary. Keep in mind that Penguin is traditionally keyword specific and not a site-wide penalty, so take a look at any specific keywords that dropped or pages that dropped and adjust accordingly.
We’ve seen a lot of reports of recovery. Usually if you were hit by a Penguin penalty in the past, you would need to fix / remove / disavow over optimized links and wait for an update. Many webmasters have been waiting this whole year for an update and it finally arrived.
Take a look at our Penguin recovery guide here.
Panda 4.1 – Sep 26, 2014
Panda 4.1 started earlier this week and will continue into next week, affecting 3-5% of queries (which is substantial). According to Google “Based on user (and webmaster!) feedback, we’ve been able to discover a few more signals to help Panda identify low-quality content more precisely. This results in a greater diversity of high-quality small- and medium-sized sites ranking higher, which is nice.”
News:
Panda 4.1 — Google’s 27th Panda Update — Is Rolling Out (SEL)
Google Starts De-Inexing Private Blog Networks In Mass – Sep 18, 2014
Although Google has been de-indexing public blog networks publicly for years, we started hearing first reports of de-indexing of private / semi-private networks. Notable articles from NoHat, ViperChill, NichePursuits and others came out with varying opinions on the matter.
Special Note To HOTH Users: This update doesn’t affect HOTH users, as we point exactly 0 PBN links to your sites. See our link building strategy here.
News:
No Hat Digital: PBN Sites De-Indexed, How Bad Were We Hit?
ViperChill: Why I’ll Keep Growing My Private Link Network After Google’s “Crackdown”
Niche Pursuits: Alright Google, You Win…I’ll Never Use Private Blog Networks Again!
Source Wave: The Death of PBNS
What Really Happened & How to Beat This Update:
Some amount of de-indexing is normal, and anyone who has ever run a network of any substantial size knows this. What is not normal is having 50% of your network taken out in one fell swoop.
There isn’t a lot of data about what “footprint” has been caught, but common footprints include using seo hosting, not changing whois info, not using co-citations, and more.
Even if you do things “correctly”, there may not have been a single footprint that makes a site get caught and it could be a combination of factors, including a low websiteQuality Score.
PBNs are not dead. And if you did things right, or at least pretty close, you shouldn’t see a big change in de-indexing. With that said, times do evolve, SEOs get smarter and we diversify strategies. In the meantime, High PR links still work (Google usually goes after what is currently working).
The best “keep my PBN safe” info that has come out has been from Veteran SEO Stephen Floyd (SEOFloyd) in his Bullet Proof SEO Course.
Google Drops Authorship From Search Results Completely – Aug 28, 2014
After dropping authorship photos from search results, Google completely removed authorship from it’s search results.
News:
It’s Over: The Rise & Fall Of Google Authorship For Search Results (SEL)
Official Announcement
SSL Becomes Ranking Factor – Aug 7, 2014
Google says it will give sites using SSL a minor boost in rankings. No one caresbecause this is going to be such a minor minor minor factor we even feel bad including this as an update here.
News:
Google Starts Giving A Ranking Boost To Secure HTTPS/SSL Sites
Google Pigeon – July 24, 2014
Google updated its local search algo to include more signals from traditional search like knowledge graph, spelling correction, synonyms and more. The language used is vague, but early evidence just shows a significant drop in the amount of “local packs” being used. Search Engine Land just made up the name for this update, not to be confused with one of Google’s previous April fools day jokes. The other feature of this update is that Google is now blending 7 pack rankings with organic factors, meaning that domain authority of the organic site linked to the Google Local page will help 7 pack rankings.
News:
Google Makes Significant Changes to Local Search
What Really Happened & How to Beat This Update:
Big decline in 7 packs
Local Directories Got A Boost – You should make sure you are in all the relevant local directories since they are getting a boost now. (P.S. You can do that with HOTH Local!)
No Photos on Authorship – June 28, 2014
Photos from the author no longer appear in the SERPs for results with authorship markup. Now they just display the author’s name in text format.
News:
Google Announces End of Author Photos (Moz)
Panda 4.0 – May 19, 2014
Latest addition to the panda update family. Sources say this was a softer update and some sites got a boost that were previously hit by this update. We noticed some sites are getting dinged for having on-site over optimization. There has been some discussion that now rankings are taking longer than normal – Up to 6 weeks for links to be recognized and re-calculated.
News:
Official Announcement
Google Begins Rolling Panda 4.0 Out Now (SEL)
Panda 4 (Moz)
What Really Happened & How to Beat This Update:
Learn more about Google Panda (HOTH)
The Answers to Google’s 2014 First Algorithm Update (Search Highway) – Relevant
Panda 4 + 5 Steps To Avoid Any Penalty (Source-Wave)
Press releases took a big hit in visibility
4 Week Factor / Slow Rankings
Payday Loan / High-Spam Searches Update 2.0 — May 16, 2014
Right before Panda 4.0, Google rolled out an update that targets queries that are traditionally spammed (seo-wise). Google claims the update happened around 5/20 and it makes it hard to tell as Panda 4 came out around almost the same time.
News:
Official Announcement
No Name Update — March 24, 2014
Lots of rank trackers and data reported heavy fluctuations, but no update was confirmed by Google.
News:
Did Google Do An Algorithm Update Yesterday? (SERT)
Page Layout #3 — February 6, 2014
A refresh to the page layout algo, originally from Jan 2012 which targets sites that have tons of ads, especially above the fold (in the top section of the website).
News:
Official Announcement
Unnamed Update – January 8th, 2014
An unnamed / unofficial update came out around this time. This was not an official update.
News:
Is Google Search Updating? January 8th & 9th (SER)
What Really Happened & How to Beat This Update:
The Answers to Google’s 2014 First Algorithm Update (Search Highway)
Authorship Change — December 19, 2013
Matt Cutts leaked that authorship markup was going to play less of a part going forward and around Dec 19, we saw a drop off of about 15% over a period of a month.
News:
Authorshipocalypse! The Great Google Authorship Purge Has Begun (Virante)
No Name Update — December 17, 2013
Almost all algo change trackers showed high activity around Dec 17th, although Google did not confirm an update.
News:
Google Denies A Major Update On December 17th (SEL)
No Name Update — November 14, 2013
Reports went out of unusual activity, which appeared along side of reports of widespread DNS errors in Google Webmaster Tools. This was not official and Google did not confirm any updates.
News:
Was There a November 14th Google Update? (Moz)
Penguin 2.1 (#5) — October 4, 2013
This does not appear to be a major change to the Penguin algo, just an update.
News:
Penguin 5, With The Penguin 2.1 Spam-Filtering Algorithm, Is Now Live (SEL)
What Really Happened & How to Beat This Update:
Learn more about Google Penguin (HOTH)
You’ll want to just continue to maintain diverse contextual link building strategies.
Hummingbird — August 20, 2013
Google announced the new update on Sep 26 and suggested that “Hummingbird” actually rolled out about a month before around August 20th. Hummingbird is an update that better interprets the way text and queries are typed into Google. There were no widespread reports of penalties like Penguin or Panda.
News:
Google Reveals “Hummingbird” Search Algorithm (SEL)
More About Hummingbird:
Learn more about Google Hummingbird (HOTH)
In-depth Article Update — August 6, 2013
Google is now featuring a new type of content in their search results called “In-depth articles” that is meant for long articles that cover a topic from a-z.
News:
How To Appear in Google’s In Depth Articles Feature
No Name Update — July 26, 2013
Another non-confirmed google update, however there were large spikes in search engine tracking activity.
News:
Was There A Weekend Google Update? (SER)
Expansion of Knowledge Graph — July 19, 2013
Significantly more amounts of Knowledge Graph data started appearing in search results, increasing the appearance to nearly 25% of all searches.
News:
The Day the Knowledge Graph Exploded (Moz)
Panda Update (Fine Tuning) — July 18, 2013
A new Panda update that sources reported as being “softer” than others – possibly loosening up the rungs of previous updates. This one rolled out over a 10 day period.
News:
Confirmed: Google Panda Update: The “Softer” Panda Algorithm (SER)
What Really Happened & How to Beat This Update:
Learn more about Google Panda (HOTH)
Multi-Week Update — June 27, 2013
Screaming frog tweeted that someone was spamming for “Car Insurance” and it ranked them #2, Cutts tweets with a reply saying “Multi-week rollout going on now, from next week all all the way to the week after July 4th.”
News:
Twitter Thread
Multi-Week Update Rolling Out (SER)
Panda Dance — June 11, 2013
Matt Cutts clarified that Google rolls out Panda updates constantly over a period of about 10 days, almost every month. They also said they are unlikely to announce future Panda updates since they are on-going.
News:
Google’s Panda Dance: Matt Cutts Confirms Panda Rolls Out Monthly Over 10 Of 30 Days (SEL)
What Really Happened & How to Beat This Update:
Learn more about Google Panda (HOTH)
Payday Loan / Spam Query Update — June 11, 2013
Google Announced an update to the algo that specifically targets queries that are regularly spammed for seo including payday loans, porn and others.
News:
Google Payday Loan Algorithm: Google Search Algorithm Update To Target Spammy Queries (SEL)
Penguin 2.0 (#4) — May 22, 2013
Google rolled out Penguin 2.0, the 4th iteration of Penguin affecting 2.3% of English queries. This was an update to the algo, not just a data refresh. This was long awaited since it was ~6 months from the last one.
News:
Penguin 4 Live (SERT)
Official Announcement
What Really Happened & How to Beat This Update:
Learn more about Google Penguin (HOTH)
Domain Crowding / Diversity — May 21, 2013
An update to help increase the amount of diversity in the serps. Previously there were problems where one domain would take up too many spots on the page.
News:
Google’s Matt Cutts: Domain Clustering To Change Again; Fewer Results From Same Domain
No Name Update — May 9, 2013
Reports of algo activity, but nothing official from Google.
News:
Large Google Update Happening Now (SER)
Panda Update 25 — March 13-14, 2013
No exact confirmation, but data suggests that an update to panda hit around Mar 13-14.
News:
Google Panda Update 25 Seems To Have Hit (SEL)
What Really Happened & How to Beat This Update:
Learn more about Google Panda (HOTH)
Panda Update 24 — January 22, 2013
Google announced 24th update to panda affecting 1.2 of search queries.
News:
Google Panda Update Version #24; 1.2% Of Search Queries Impacted (SEL)
What Really Happened & How to Beat This Update:
Learn more about Google Panda (HOTH)
2012 Updates
Panda #23 — December 21, 2012
Panda hits right before the holidays. After this Google says they will try to avoid updates around the holidays.
News:
Official: It’s Google Panda Update 23, Impacting ~1.3% Of Queries
Knowledge Graph Expansion — December 4, 2012
Knowledge graph becomes available on foreign language queries in Spanish, French, German, Portuguese, Japanese, Russian, and Italian.
News:
Official Announcement
Panda #22 — November 21, 2012
Google confirms Panda refresh 22, affecting 0.8% of queries.
News:
Official Google Panda #22 Update: November 21 (SER)
What Really Happened & How to Beat This Update:
Learn more about Google Panda (HOTH)
Panda #21 — November 5, 2012
Another Google Panda update about a month and a half after the last update. Reported to have affected 1.1% of English queries.
News:
Google Releases Panda Update 21 (SEL)
What Really Happened & How to Beat This Update:
Learn more about Google Panda (HOTH)
Page Layout Update #2 — October 9, 2012
An update to the page layout update which affected sites that had too many ads above the fold.
News:
It’s “Top Heavy 2″ As Google Rolls Out Update To Its Page Layout Algorithm (SEL)
Penguin #3 — October 5, 2012
Penguin 3 wasn’t as bad as expected.
News:
Google Released 3rd Penguin Update: Not Jarring Or Jolting (SER)
What Really Happened & How to Beat This Update:
Learn more about Google Penguin (HOTH)
August & September 65 Changes Pack — October 4, 2012
Google published a post with 65 updates that went live between August & September 2012. The list includes updates to Knowledge Graph, a Panda refresh, & Knowledge Graph Carousel.
News:
Official Announcement
Exact-Match Domain (EMD) Update — September 27, 2012
Before this update, it seemed as EMDs were getting a boost. So for instance, if you wanted to rank for “dallasdentist” having dallasdentist.com would be a huge boost. This technique caught on and was pretty widespread in the SEO community, so Google updated it’s algo to reduce the boost that these got. This also plays into the over optimization penalties. Now it’s recommended that you just get brandable / non-keyword rich domains to help avoid over optimization of URLs.
News:
Google’s EMD Algo Update – Early Data (Moz)
Deconstructing the EMD update (SEL)
Panda #20 — September 27, 2012
This update came out right along side the EMD update and was pretty big – Affecting 2.4% of queries.
News:
Google Panda Update 20 Released, 2.4% Of English Queries Impacted (SEL)
What Really Happened & How to Beat This Update:
Learn more about Google Panda (HOTH)
Panda 3.9.2 (#19) — September 18, 2012
An refresh to Panda, nothing major, 0.7% of queries
News:
Google Rolls Out Panda 3.9.2 Refresh (SER)
What Really Happened & How to Beat This Update:
Learn more about Google Panda (HOTH)
Panda 3.9.1 (#18) — August 20, 2012
Another small Panda update.
News:
Confirmed: Google Panda 3.9.1 Update (SER)
What Really Happened & How to Beat This Update:
Learn more about Google Panda (HOTH)
7-Result SERPs — August 14, 2012
Google started displaying only 7 results on the front page for approx 18% of queries.
News:
Google Showing Fewer Results & More From Same Domain
The Pirate / DMCA Penalty — August 10-13, 2012
Google says they will start penalizing sites that get repeatedly accused of copyright infringement.
News:
An update to our search algorithms (Official Announcement)
The Pirate Update: Google Will Penalize Sites Repeatedly Accused Of Copyright Infringement (SEL)
86 Google updates in June & July — August 10, 2012
Big update from the Inside Search blog. 86 updates rolled out in June & July including Panda updates, synonyms, freshness, events in knowledge graph and more.
News:
Search quality highlights: 86 changes for June and July (Official Announcement)
Panda 3.9 (#17) — July 24, 2012
Google pushed out another panda refresh affecting 1% of queries.
News:
Official: Google Panda 3.9 Refresh (SER)
What Really Happened & How to Beat This Update:
Learn more about Google Panda (HOTH)
Webmaster Tool Link Warnings — July 19, 2012
Another batch of WMT unnatural link warnings went out. The insane thing is that in June, Google said you needed to pay attention to these warnings and your site would probably drop if you ignored them. But now in July, Google says you may be able to ignore them — basically saying the exact opposite. Best thing to do is to just watch your traffic / rankings.
News:
Insanity: Google Sends New Link Warnings, Then Says You Can Ignore Them (SEL)
What Really Happened & How to Beat This Update:
Learn more about WMT Unnatural Link Warnings (HOTH)
Panda 3.8 (#16) — June 25, 2012
Another panda data refresh.
News:
Official Google Panda Update Version 3.8 On June 25th (SEL)
What Really Happened & How to Beat This Update:
Learn more about Google Panda (HOTH)
Panda 3.7 (#15) — June 8, 2012
Another Panda refresh.
News:
Official Announcement
Confirmed: Google Panda 3.7 Update (SER)
What Really Happened & How to Beat This Update:
Learn more about Google Panda (HOTH)
39 Google Updates May 2012 — June 7, 2012
Google posted an official blogpost highlighting 39 changes in May including “Better application of inorganic backlinks signals” “Improvements to Penguin” and more.
News:
Search quality highlights: 39 changes for May (Official Announcement)
Google’s May Updates: Inorganic Backlinks, Page Titles, Fresh Results & More (SEL)
Penguin 1.1 (#2) — May 25, 2012
Google posted it’s first update to the Penguin algo – just a data refresh.
News:
Understanding Penguin 1.1: Be Safe from Updates in 3 Easy Steps (SEJ)
What Really Happened & How to Beat This Update:
Learn more about Google Penguin (HOTH)
Knowledge Graph — May 16, 2012
Google released some additions to search results – Knowledge graph is intended to do a few things. One is to be able to tell the difference between people, places, and things. The second is bringing answers and summaries directly into the search results so you can quickly get facts or information without actually visiting any sites.
News:
Cool Knowledge Graph Video
Introducing the Knowledge Graph: things, not strings (Official Announcement)
52 Google Updates for April 2012 — May 4, 2012
Google posted a blog post with 52 updates that occurred in April 2012 including improvements to freshness signal, (no freshness boost for low quality content), updates for showing public data, a 15% increase in the base index, improvements to sitelinks & more.
News:
Search quality highlights: 52 changes for April (Official Update)
Panda 3.6 (#14) — April 27, 2012
Another Panda data refresh.
News:
Confirmed: Panda Update 3.6 Happened On April 27th (SEL)
What Really Happened & How to Beat This Update:
Learn more about Google Panda (HOTH)
Google Penguin — April 24, 2012
The update that shook the SEO world. Known for aggressively punishing sites using too many exact match anchors, Penguin impacted 3.1% of English queries (big update). Google claimed this affects keyword stuffing, but is mostly associated with off-site factors.
News:
Another step to reward high-quality sites (Official Announcement)
Google Launches “Penguin Update” Targeting Webspam In Search Results (SEL)
What Really Happened & How to Beat This Update:
Learn more about Google Penguin (HOTH)
Panda 3.5 (#13) — April 19, 2012
Another Panda refresh.
News:
Panda Update 3.5 Is Live: Winners & Losers (SEL)
What Really Happened & How to Beat This Update:
Learn more about Google Panda (HOTH)
Parked Domain Bug — April 16, 2012
While webmasters reported drops in rankings, Google claimed that there was a bug in the way they classify parked domains.
News:
Google Parked Domain Classifier Error Blamed for Lost Search Rankings
50 Google Updates in March 2012 -Pack — April 3, 2012
Another group of updates including Panda 3.4, the way anchor text is calculated, image search, and local query updates.
News:
Search quality highlights: 50 changes for March (Official Announcement)
Panda 3.4 (#12) — March 23, 2012
Another panda refresh.
News:
Google Says Panda 3.4 Is ‘Rolling Out Now’ (SEL)
What Really Happened & How to Beat This Update:
Learn more about Google Panda (HOTH)
Panda 3.3 (#11) — February 27, 2012
Another Panda refresh, however multiple updates happened around this time as well.
News:
Google Confirms Panda 3.3 Update (SEL)
What Really Happened & How to Beat This Update:
Learn more about Google Panda (HOTH)
February 40-Pack (2) — February 27, 2012
Google posted a blog post on their Inside Search blog with 40 updates that have been launched in February including updates to “related searches, sitelinks, autocomplete, UI elements, indexing, synonyms, SafeSearch and more.”
News:
Search quality highlights: 40 changes for February (Official Post)
Venice — February 27, 2012
Big update to the way Old G displays results – Basically now local sites are going to start showing up when you type in queries even without a geo-modifier. For instance, if you type in “attorney” you may get localized results based on your IP. Great News: for Local SEOs and usability in general. Even benign terms like “coffee” bring up local relevant results!
News:
Understand and Rock the Google Venice Update (SEOmoz)
17 January 2012 Google Updates — February 3, 2012
Another inside search blog post detailing 17 updates released in Jan 2012 including Panda’s integration into the main algo, updates to “freshness.”
News:
17 search quality highlights: January (Official)
Google’s January Search Update: Panda In The Pipelines, Fresher Results, Date Detection & More (SEL)
Page Layout Update — January 19, 2012
Updates to the way pages are judged – If you have too many ads above the fold, you could lose rankings.
News:
Page layout algorithm improvement (Google)
Panda 3.2 (#10) — January 18, 2012
Another Panda update / refresh.
News:
Google Panda 3.2 Update Confirmed (SEL)
What Really Happened & How to Beat This Update:
Learn more about Google Panda (HOTH)
Search + Your World — January 10, 2012
Now if you use Google plus, google will attempt to put in more relevant content into your searches. Things that you’ve shared in the past, pictures from your g+ profile, things your friends have shared will start appearing in your search results in an effort to find the most relevant information. Mostly, Google just loves Google+ and wants to force it on everyone.
News:
Search, plus Your World (Google)
Video
Real-Life Examples Of How Google’s “Search Plus” Pushes Google+ Over Relevancy (SEL)
30 Google Updates in January 2012 — January 5, 2012
Another Inside Search blog post highlighting 30 updates including sitelinks, image search improvements and more.
News:
30 search quality highlights – with codenames! (Google)
Google Algorithm Change History
For any Business, it’s critical to keep up with Google’s new updates to understand traffic patterns in your website as well as best practices. In this list of Google Algorithm Updates, we’ll not only document the seo updates, but the full story of what’s REALLY going on in the trenches including best practices, strategies, and case studies from the community.
10 Google Updates in December 2011 — December 1, 2011
Blog post on updates made in late 2011 in addition to the last list. Updates include a parked domain classifier (reduce the amount of parked domains shown to users in results), autocomplete, and image freshness.
News:
Search quality highlights: new monthly series on algorithm changes (Official Update)
Panda 3.1 (#9) — November 18, 2011
Google Panda refresh.
News:
Google Panda 3.1 Update: 11/18 (SER)
What Really Happened & How to Beat This Update:
Learn more about Google Panda (HOTH)
10 Updates made in November 2011 — November 14, 2011
No timeline given, but Google posted a blog post highlighting 10 updates including fresher results, improved snippets.
News:
Ten recent algorithm changes (Google)
Improved Snippets, Rank Boost For “Official” Pages Among 10 New Google Algorithm Changes (SEL)
Fresher Results Update — November 3, 2011
A change to the algo where Google wants to display fresher results, especially on queries that are time sensitive.
News:
Giving you fresher, more recent search results (Google)
Query Encryption — October 18, 2011
SEOs hated this update because this was the begin of the (not provided) showing up in Analytics. Basically, google started encrypting data when users are signed in for privacy reasons. This makes it much harder to understand where you organic traffic is coming from. Good alternatives include SEMrush and using Webmaster tools (GWMT will tell you some terms you’re ranking for).
News:
Making search more secure (Official Update)
Google Hides Search Referral Data with New SSL Implementation (SEOmoz)
Panda “Flux” (Update #8) — October 5, 2011
Matt Cutts tweeted: “expect some Panda-related flux in the next few weeks” and gave a figure of “~2%”. Lots of updates recently on this.
What Really Happened & How to Beat This Update:
Learn more about Google Panda (HOTH)
Panda 2.5 (Update #7) — September 28, 2011
Another Panda update.
News:
Google Panda 2.5: Losers Include Today Show, The Next Web; Winners Include YouTube, Fox News: (SEL)
What Really Happened & How to Beat This Update:
Learn more about Google Panda (HOTH)
Pagination Elements — September 15, 2011
Google introduced the rel=”next” and rel=”prev” link attributes to help with pagination crawl / index issues.
News:
Pagination with rel=“next” and rel=“prev” (Official)
Expanded Sitelinks — August 16, 2011
Google expands the display of sitelinks, making navigating to specific content right from search easier.
News:
The evolution of sitelinks: expanded and improved (Google)
Panda 2.4 (Update #6) — August 12, 2011
Panda rolls out internationally.
News:
High-quality sites algorithm launched in additional languages (Google)
Official: Google Panda 2.4 Rolls Out to Most Languages (SER)
What Really Happened & How to Beat This Update:
Learn more about Google Panda (HOTH)
Panda 2.3 (#5) — July 23, 2011
Another manual push out of panda.
News:
Official: Google Panda 2.3 Update Is Live (SEL)
What Really Happened & How to Beat This Update:
Learn more about Google Panda (HOTH)
Google+ — June 28, 2011
Google launches Google+, a type of Facebook competitor that promises to integrate multiple Google services for a more personalized experience. They differentiate by creating “circles” so you can share differently with different groups of people. They gain lots of users quickly, but it’s launched with negative criticism.
News:
Google Plus+ Video
Introducing the Google+ project: Real-life sharing, rethought for the web (Google)
Google’s Launch Of Google + Is, Once Again, Deeply Embarrassing — Facebook Must Be Rolling Its Eyes (Business Insider)
Panda 2.2 (Update #4) — June 21, 2011
Panda update.
News:
Official: Google Panda Update 2.2 Is Live (SEL)
What Really Happened & How to Beat This Update:
Learn more about Google Panda (HOTH)
Schema.org — June 2, 2011
A collaboration between Google, Yahoo and Microsoft to create structured data. With a home base at http://schema.org, webmasters can now use a standardized markup for all kinds of data
News:
Google, Bing & Yahoo Unite To Make Search Listings Richer Through Structured Data (SEL)
Panda 2.1 (Update #3) — May 9, 2011
Another small Panda update.
News:
It’s Panda Update 2.1, Not Panda 3.0, Google Says (SEL)
What Really Happened & How to Beat This Update:
Learn more about Google Panda (HOTH)
Panda 2.0 (Update #2) — April 11, 2011
The first panda update and goes global.
News:
High-quality sites algorithm goes global, incorporates user feedback (Official Update
What Really Happened & How to Beat This Update:
Learn more about Google Panda (HOTH)
The Google +1 Button — March 30, 2011
Basically a button that’s like a Facebook “like” button – Influences results for people in your circles to help bring trusted content to the top.
Panda Update (Also called Farmer) — February 23, 2011
Big update, the first of it’s kind. This affected up to 12% of search results. Panda targeted “content farms” – huge sites with low quality content, thin affiliate sites without much content, sites with large ad-to-content ratios and on-site over optimization.
News:
Google’s Farmer/Panda Update: Analysis of Winners vs. Losers (SEOmoz)
Attribution Update — January 28, 2011
This update was to help stop scrapers from stealing content. It affected ~2% of search queries.
News:
Algorithm Change Launched (Matt Cutts)
Overstock.com & JCPenny Penalty — January 2011
Google started publicly calling out sites for their SEO practices, starting the PR-scare-train in prep for upcoming updates.
News:
Google Penalizes Overstock for Search Tactics (WSJ)
Overstock.com Lands in Google’s Penalty Box Over Links-for-Discounts Deal (SEW)
New York Times Exposes J.C. Penney Link Scheme That Causes Plummeting Rankings in Google (SEL)
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