• Caffeine ( launched On August 10, 2009)
• Panda (launched on February 24, 2011)
• Penguin (launched on April 24, 2012)
• Exact Match Domain (launched in September 2012)
• Hummingbird (launched on September 26, 2013)
• Mobilegeddon (launched on April 21, 2015)
• Rankbrain (launched on 26 October 2015)
• Possum (launched on September 1, 2016)
• FRED (launched in March 2017)

  In the context of computers, algorithms specifically set up the computer to perform an individual task. When someone asks Google a query, Google algorithms get the data from its search index to deliver the best possible results. The search engine, however, uses an algorithm to rank various web pages according to their relevance. For example, when one wants to search “best digital marketing course”, search engines give us so many answers based on keywords and page ranking.

Google Algorithm Update:-

Almost every day, Google changes its algorithm. Normally in a year, there are about 550 to 600 minor and major changes. Many small changes are not even noticeable. In this article, we are going to focus on some of the major algorithms.

1.Caffeine (launched on 10 August 2009)
Caffeine was an update that not many people were even aware of. There was a major rewrite of the Caffeine algorithm. Caffeine focused on the freshness of articles and it analyzes content on the web and updates-indexes. Whenever any blogger or organization updates new content on the website. This algorithm index is really very fast, after this algorithm was updated anew and the indexing of the new one was getting very fast.

2-Panda (launched on February 24, 2011)
This is the main algorithm that devalues duplicate or thin content. If there is a blog or website which has copied content on it, then that particular website will not get the desired result or ranking as it will be considered as inferior content.

3- Penguin (launched on 24 April 2012)

Penguin ranks sites that have irrelevant or unwanted links. Often, there are many backlinks to sites that are of low or spam quality, which can degrade your website later. On 23 September 2016, Google announced Google Penguin, which is a part of the core algorithm, which means it works in real time.

 4- Exact match domain (launched in September 2012)
Previously, your website would drive more traffic if your main keyword matches the exact domain name, and based on that, the company was used to get the ranking. For example, if someone wants to buy power tools and the keyword is ‘buying power tools’, your exact domain would be ‘BuyPTTools.com’. Because of this, people used to build websites and never post or think of it regularly. That domain will not make it stand out. 1 ranking but then in 2012, Google launched EMD to devalue sites that are actually of low quality.

 5- Hummingbird (launched 26 September 2013)

Google understands the intention and interest of the people and based on that, it gives high quality results. For example, if there is one type of motor driving school in Mumbai, they get accurate results based on your major searches.

 6- MobileGeden (launched on 21st April 2015)

It is also called mobile update. If your site is not mobile-friendly, people who search for your site on Google through their cell phone will either not find you there or they will find it difficult to open the website page resulting in no information that Google Can’t even bear it because netizens are customers for Google and Google never wants its customers to experience low quality results. So to get good ranking on mobile, companies started making sites mobile friendly.

 7- RankBrain (launched 26 October 2015)

8- Possum (launched on 1st September 2016)

9- FRED (launched in March 2017)