Google has a long history of well-known Google algorithm updates, search index changes and refreshes. For any SEO, it’s important to continue with Google’s new updates to understand traffic patterns on the website in addition to best practices. In this following list of Google Updates, we’ll not only list the SEO updates but also listed the full story of what’s really going on including best practices, strategies and case studies from the community.

1.  2011 Updates

  • Panda 3.1

After Panda 2.5 update, Google released “Panda Flux” where updates started to occur more frequently and were comparatively minor.

  • Panda Flux

Matt Cutts tweeted: “expect some Panda-related flux in the next few weeks” and it gave a figure of “~2%”.

  • Panda 2.5

Another Panda update. Specific details of what changed were unclear, but some sites reported large-scale losses.

  • Panda 2.4

Panda rolls out internationally. Google reported that this impacted 6-9% of queries in affected countries.

  • Panda 2.3

Another manual push out of panda! It was not sure whether new factors were initiated or this was simply an update to the Panda data and ranking factors.

  • Panda 2.2

Panda update. Google sustained to update Panda-impacted sites and data and version 2.2 was legitimately recognized.

  • Panda 2.1

Another small Panda update. These modifications weren’t talk about in detail by Google and appeared to be comparatively minor.

  • Panda 2.0

The first panda update and goes global. New signals were incorporated, as well as data about sites users blocked.

  • Panda/Farmer

A most important algorithm update affected to 12% of search results. Panda rolled out approximately a couple of months, hitting Europe in April 2011.

2. 2012 Updates

  • Panda 

Panda hits right before the holidays.

  • Panda

Google confirms Panda refresh 22, affecting 0.8% of queries.

  • Panda

Another Google Panda update about a month and a half after the last update.

  • Penguin

Penguin 3 wasn’t as bad as expected.

  • Panda

This update came out right alongside the EMD update and was pretty big – Affecting 2.4% of queries.

  • Panda 3.9.2

A refresh to Panda, nothing major, 0.7% of queries

  • Panda 3.9.1 

Another small Panda update.

  • Panda 3.9 

Google updated one more Panda refresh affecting 1% of queries.

  • Panda 3.8 

This is another Panda data refresh.

  • Panda 3.7 

This is another Panda refresh.

  • Penguin 1.1 

Google posted its first update to the Penguin algorithm – just a data refresh.

  • Panda 3.6 

Hardly a week after Panda 3.5, Google rolled out one another Panda data update.

  • Panda 3.5

Another Panda refresh. A mix of changes made the impact complicated to measure, but this seems to have been a quite custom update with minimal impact.

  • Panda 3.4

Another panda refresh. Their public statements estimated that Panda 3.4 impacted about 1.6% of search results.

  • Panda 3.3

Another Panda refresh, however, multiple updates happened around this time as well.

  • Panda 3.2

Another Panda update/refresh. It was not sure that how this fits into the “Panda Flux” plan of more common data updates.

 3. 2013 Updates

  • Penguin 2.1

This does not seem to be a major change to the Penguin algorithm, it is just an update.

  • Hummingbird

Google announced the new update on Sep 26 and suggested that “Hummingbird” actually rolled out about a month before around August 20th.

  • Panda Dance

Matt Cutts clarified that Google rolls out Panda updates constantly over a period of about 10 days, almost every month.

  • Penguin 2.0

This was not a data refresh! It is an update to the algorithm!

  • Panda Recovery

Google established a Panda update, but it was not sure whether this was one of the 10-day rolling updates or something new.

  • Panda

It was unclear, but data suggests that an update to Panda strike around Mar 13 to March 14.

  • Panda

Google announced the 24th update to Panda affecting 1.2 of search queries.

4. 2014 Updates

  • Penguin 3.0

After a year since the last major Penguin update, Penguin 3 started rolling out this past weekend.

  • Penguin Everflux

A Google representative said that Penguin had shifted to continuous updates, moving away from infrequent, major updates.

  • Panda 4.1

Google announced a significant Panda update, which included an algorithmic component.

  • Panda 4.0

Google established a most important Panda update that likely integrated both an algorithm update as well as a data refresh. 

5. 2015 Updates

  • Panda 4.2

Google announced a Panda update, but not much happened.

6. 2016 Updates

  • Penguin 4.0 Announcement

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 specifically as opposed to affecting the entire domain.

  • Penguin 4.0, Phase 1

The first phase of Penguin 4.0 that was launched approximately September 22-23 was the new, “gentler” Penguin algorithm.

  • Penguin 4.0, Phase 2

This is the second phase of Penguin 4.0 that was the reverse of all previous Penguin updates. 

7. 2017 Updates

  • Fred (Unconfirmed)

Google released ‘Fred ‘Update in mid-March 2017. Its main target was low-value content.