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The History of Google Panda & Penguin, Abridged

This is a guest post by Matt Beswick.

Every year, Google quietly releases hundreds of refinements to their search engine algorithms. Most of these updates are small, incremental changes that go largely unnoticed. The major upgrades, however, receive serious coverage by mainstream news outlets and bloggers alike due to the momentous impact that they have on the broader web at every level.

Though more than a year has passed since its inaugural rollout, the effects of the infamous Panda update of 2011 are still being felt today. Impacting nearly 12% of web search queries right out of the gate, it was responsible for traffic declines at websites both large and small in a matter of hours. To fully understand how the latest Google updates work and why they were necessary, some history is in order.

This is a guest post by Matt Beswick.

Every year, Google quietly releases hundreds of refinements to their search engine algorithms. Most of these updates are small, incremental changes that go largely unnoticed. The major upgrades, however, receive serious coverage by mainstream news outlets and bloggers alike due to the momentous impact that they have on the broader web at every level.

Though more than a year has passed since its inaugural rollout, the effects of the infamous Panda update of 2011 are still being felt today. Impacting nearly 12% of web search queries right out of the gate, it was responsible for traffic declines at websites both large and small in a matter of hours. To fully understand how the latest Google updates work and why they were necessary, some history is in order.

Why Google’s Panda Algorithm Was Released

Essentially, Panda was a direct response by Google to the weak content of spammers and fly-by-night marketers. For years, shifty SEO specialists exploited vulnerabilities in Google’s quality-assessment algorithms, which led to a proliferation of highly-optimized but ultimately weak web pages that still managed to dominate the top SERPs spots for many queries. Combating so-called content farms required a serious show of force.

To this end, Google employed thousands of human testers to manually rate sites based on their user experience, value and relevance. In addition, Panda’s under the hood innovations began to incorporate quite a bit of Latent Semantic Indexing or LSI to leverage the power of related keywords for greater search results quality.

The Panda Changelog

For SEO Black Hats, the numerous zigs and zags of Panda have been frustrating to say the least. Panda 1.0 hit the web like a sledgehammer on February 23, 2011, going after websites featuring duplicate content and an overabundance of advertisements with little actual content in between them. Overnight, 12% of search queries saw an identifiable shakeup in their website rankings.

Another major refresh dropped on April 11, 2011, with Panda 2.0 affecting all queries in English around the globe. Panda 2.4 hit the Asian language searches in Chinese, Japanese, and Korean, which directly impacted 6-9% of all websites in those countries. Panda 2.5 to 3.1 made the fall of 2011 even more interesting for marketers thanks to the Flux series of upgrades. In March of 2012, Panda 3.4 debuted and managed to affect a fairly moderate 1.6% of queries.

The Hits Just Keep On Coming

Roughly a year after the first appearance of Panda, the so-called Penguin update went live. Launched on April 24, 2012, Penguin was basically another webspam update that built on Panda’s aggressive content farming countermeasures (although also increased the relevance and risk of negative SEO). Targeting over-optimization techniques such as high keyword density and excessive use of identical anchor text backlinks, it and April 2012’s Panda 3.6 continued to stymie the spammers.

The latest Panda update, version 3.7, went live on June 26, 2012. Working together in tandem, Panda and Penguin ensure that Google can keep spammers temporarily at bay while they formulate their next algorithm upgrade strategies.

Impact on SEO & Long-Term Fallout

Right away, Panda had a massive impact on tons of websites around the world. The incremental revisions that followed were especially rough on low-quality sites that leaned heavily on long tail keyword optimization. High-volume content factories that provided little value and thin content to the masses were forced to either adapt or die.

Penguin assisted Panda in its primary aim by focusing on sites that were overcompensating for Panda and its “garbage filter” that penalizes sub-par content. Though Penguin’s effects are more subtle, Panda’s impact continues to be felt by those looking for shortcuts to SEO success รขโ‚ฌโ€œ something that, in my opinion, only increases the fact that Penguin and Panda are great for the SEO industry as a whole.

Making Sense of It All

Keeping Google’s constant and ever-changing algorithm upgrades straight is no easy task even for the most capable SEO technicians and marketing gurus. A visual representation of Panda’s perturbations in timeline infographic form is helpful when trying to wrap one’s head around the rationale behind Google’s algorithm decisions. Due to the extreme nature of Panda, Google actually went out of their way to assist users in improving their websites to rank highly once the dust had settled.

Frightening reputation aside, Panda only reinforced the importance of putting out top notch content that delivers value.

Want to know more? Check out this visual breakdown of Penguin vs. Panda by Reload Media.

panda-vs-penguin-infographic

Questions about how Google Panda, Penguin, or other algorithm changes and how they affect your blog? Please share in the comments!

By Matt Beswick

Matt Beswick is based in the UK and specialises in SEO consultancy. He also runs Pet365 โ€“ a UK based online supplier of pretty much anything pet related. Find him on Twitter - @mattbeswick or Google+.

13 replies on “The History of Google Panda & Penguin, Abridged”

I had one really good website of mine get hit by panda, but other crappy ones get left untouched. Anyway, after a few months all my sites were pretty much back to where they started without me doing anything.

An even more abridged version of these updates would be to produce quality (read: unique and well-written) content, and stay away from any and all blackhat methods of optimization!

I am glad for these updates!

Call me crazy, but I believe it has helped the honest guy out.

Quality is the name of the game in SEO now.

Remember, quality will take you far.

My main site saw traffic loss Feb – June of this year (2012) then traffic began to increase Jul – Nov. Overall, we have about 10% reduction in traffic. It’s a bit puzzling to me since we don’t go in for any dubious stuff. But that’s what happens when you get automated processes. Something that has always concerned me is the relationship between Adsense and Bounce Rate – presumably, they would allow for that in their algo, but I have no hard data to backup that assumption.

Will ๐Ÿ™‚

As the internet “grows up,” so do we. I really like the info-graphics that you used here, though they are just the tip of the iceberg they are a basic reminder of what the panda and penguin updates did to shake up search.

First of all nice Infographics. They are great. I followed some of the Panda updates, but not that much anymore. It seems like Google is constantly tweaking something. I just wonder how many people starting a web site are aware of these updates and know how to do things right, or expected. I am kind of wondering if we will see more Penguin and Panda updates in 2013, or if Google will come up with some new major change or update.

I have recently become very interested in SEO and its affects this is all so confusing but starting to get a better understanding of Panda and Penguin, etc. thanks for the article!

I appreciate how infographics can tell a story so much better than words- helps me to understand the impact and the quality factors. The thing that worries me most about these updates is the big G and if they will arbitrarily come up with some obscure factor on which to base results that smaller businesses can’t possibly rank against.

Hi Matt,

My website is fairly new, only about 4 months old, and at the beginning I had a better positioning than I have now.

I’ve searched for answers and I heard a lot of people talk about the honeymoon effect. Do you have any thoughts about this, can this be a cause for fresh sites dropping in the search results.?

Happy Holidays to everyone,take care.

~Philip

Great article and infographic Matt,

You’ve provided quite useful article here, I’m sure most of SEO’s find it useful to tackle with Google Panda and Penguin.

Great post Matt!

I’ve never made sense of all Google’s updates and luckily the common thread between versions seemed to be “content is king”. This really helped make sense of Google’s maneuvers.

I’m with you in thinking this is a good thing for the little, honest content providers. Hopefully this will help the pro SEO’ers from eclipsing good content that needs exposure to grow.

Thanks for the write-up and for including that excellent infographic.

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