Here this is the Cheat Sheet where we have tried to include each and every Google Updates. You can go through the every update with the help of given Source Links.
| Time | Updates | Effect | Sources |
| 8 March, 2017 | Fred Update | Gary Illyes jokingly referred to is as “Fred”, and the name stuck, but he later made it clear that this was not an official confirmation. | Source Link |
| 10 January, 2017 | Intrusive Interstitial Penalty | Google started rolling out a penalty to punish aggressive interstitials and pop-ups that might damage the mobile user experience. | Source Link |
| 23 September, 2016 | Penguin 4.0 | They suggested the new Penguin is now real-time and baked into the “core” algorithm | Source Link |
| 1 September, 2016 | Possum Update | Drop in local pack prevalence | Source Link |
| 17 July, 2015 | Panda 4.2 | The impact was unclear | Source Link |
| 21 October, 2014 | Pirate 2.0 | More than two years after the original DMCA/”Pirate” update, Google launched another update to combat software and digital media piracy | Source Link |
| 17 October, 2014 | Penguin 3.0 | This update appeared to be smaller than expected (<1% of US/English queries affected) and was probably data-only (not a new Penguin algorithm) | Source Link |
| 23 September, 2014 | Panda 4.1 | Google announced a significant Panda update, which included an algorithmic component. They estimated the impact at 3-5% of queries affected. Given the “slow rollout,” the exact timing was unclear. | Source Link |
| 6 August, 2014 | HTTPS/SSL Update | After months of speculation, Google announced that they would be giving preference to secure sites, and that adding encryption would provide a “lightweight” rankings boost. They stressed that this boost would start out small, but implied it might increase if the changed proved to be positive. | Source Link |
| 24 July, 2014 | Pigeon Update | Google shook the local SEO world with an update that dramatically altered some local results and modified how they handle and interpret location cues. Google claimed that Pigeon created closer ties between the local algorithm and core algorithm(s). | Source Link |
| 19 May, 2014 | Panda 4.0 | about 7.5% of English-language queries were affected. | Source Link |
| 4 October, 2013 | Penguin 2.1 | The overall impact seemed to be moderate, although some webmasters reported being hit hard. | Source Link |
| 20 August, 2013 | Hummingbird | changes to semantic search and the Knowledge Graph for months to come | Source Link |
| 22 May, 2013 | Penguin 2.0 | The exact nature of the changes were unclear, | Source Link |
| 27 September, 2012 | Exact-match Domain (EMD) | Google announced a change in the way it was handling exact-match domains | Source Link |
| 18 September, 2012 | Panda 3.9.2 | Ranking flux was moderate but not on par with a large-scale algorithm update. | Source Link |
| 20 August, 2012 | Panda 3.9.1 | impact seemed to be fairly small. | Source Link |
| 10 August, 2012 | Pirate Update | Google announced that they would start penalizing sites with repeat copyright violations, | Source Link |
| 24 July, 2012 | Panda 3.9 | Google claimed ~1% of queries were impacted. | Source Link |
| 25 June, 2012 | Panda 3.8 | much smaller impact than Panda 3.7 | Source Link |
| 8 June, 2012 | Panda 3.7 | Ranking fluctuation data suggested that the impact was substantially higher than previous Panda updates (3.5, 3.6) | Source Link |
| 25 May, 2012 | Penguin 1.1 | This confirmed that Penguin data was being processed outside of the main search index, much like Panda data. | Source Link |
| 27 April, 2012 | Panda 3.6 | It was unclear its impact. | Source Link |
| 24 April 2012 | Penguin Update | Penguin adjusted a number of spam factors, including keyword stuffing | Source Link |
| 19 April, 2012 | Panda 3.5 | This update was with minimal impact | Source Link |
| 23 March, 2012 | Panda 3.4 | Google’s public statements estimated that Panda 3.4 impacted about 1.6% of search results. | Source Link |
| 27 February, 2012 | Panda 3.3 | This came just 3 days after the 1-year anniversary of Panda, an unprecedented lifespan for a named update. | Source Link |
| 18 January, 2012 | Panda 3.2 | It was unclear how this fit into the “Panda Flux” scheme of more frequent data updates. | Source Link |
| 18 November, 2011 | Panda 3.1 | Some analysits called it 3.1 after 2.5 because there were changes on high rate. | Source Link |
| 5 October, 2011 | Panda (Flux) | Sites were affected by ~2% | Source Link |
| 28 September, 2011 | Panda 2.5 | It was unclear its affect | Source Link |
| 12 August, 2011 | Panda 2.4 | Google rolled Panda out internationally, both for English-language queries globally and non-English queries except for Chinese, Japanese, and Korean. Google reported that this impacted 6-9% of queries in affected countries. | Source Link |
| 23 July, 2011 | Panda 2.3 | Affected Data and Ranking Factors | Source Link |
| 28 June, 2011 | Google+ | New Social Media From Google | Source Link |
| 21 June, 2011 | Panda 2.2 | Impacted Sites and Data | Source Link |
| 2 June, 2011 | Schema.org | Google, Yahoo and Microsoft jointly announced support for a consolidated approach to structured data. | Source Link |
| 9 May, 2011 | Panda 2.1 | These changes weren’t discussed in detail by Google and seemed to be relatively minor. | Source Link |
| 11 April, 2011 | Panda 2.0 | Google rolled out the Panda update to all English queries worldwide | Source Link |
| 23 February, 2011 | Panda Update | Panda seemed to crack down on thin content, content farms, sites with high ad-to-content ratios, and a number of other quality issues. | Source Link |
| February, 2009 | Canonical Tag | Google, Microsoft, and Yahoo jointly announced support for the Canonical Tag, allowing webmasters to send canonicalization signals to search bots without impacting human visitors. | Source Link |
| June, 2005 | XML Sitemap | Google allowed webmasters to submit XML sitemaps via Webmaster Tools, | Source Link |
| January, 2005 | Nofollow Attribute | Nofollow helps clean up unvouched for links, including spammy blog comments | Source Link |
| September, 2002 | 1st Documented Update | Updates are unclear but it appeared to be Monthly PageRank Update | Source Link |
| December, 2000 | Google Tool Bar | Google Launched their Browser Toolbar & Toolbar Page Rank | Source Link |
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