WHAT IS GOOGLE ALGORITHM? 

Google stands at nurturing numerous algorithms to serve us with the best content depending upon our Search. It is a complex system that looks at various factors like the most frequently used and searched, relevancy of the search, expertise of the contents, usability frequency, location and the type of settings you choose. All these factors have a different rate of weight depending upon their importance, nature and optimal. It retrieves accurate data based on the search through search engines and multiple rank factors. Page Rank is a Google algorithm that serves the purpose of ranking web pages. SEO is the process of organizing websites according to the Google algorithm.

1. CAFFEINE: August 2009 

INTRODUCTION: 

The caffeine update was a huge one that googles offered a thing called “developer preview”. Through this, the SEO professionals gain early access to report the issues they find, beforehand. This update allowed Google to crawl and store data much more efficiently, with their account in the google index increasing taking a change for better fresh results. 

HOW IT WORKS: 

Previously, in the old indexing system, the pages were categorized based on the freshness rate. Different crawlers were thrown away, some reindexing their pages and the remaining made attempts to change depending on the classification. 

With caffeine, far fresher information has a wide range of retrieval across numerous sites, which is due to google gaining the capability to crawl, collect data, add and store their index in seconds. But, it wasn’t an algorithm update. 

2. PANDA: February 2011 

INTRODUCTION: 

The initial thing that led to the launching of Pandas was the part of google’s quest to back off the underlying black hat SEO tactics and web spam. Due to the increasing complaints regarding the content farms had grown enormously, after with pandas algorithm came into existence using quality classification, modelled after human ranking and this led to the ranking factor. 

HOW IT WORKS: 

It importantly focuses on quality and user experience. in 2010, it was found that the quality of google’s SEO ranking has grounded, as well as the rise of the content farm risen. 

Due to the caffeine update, indexing rapidly sped up and “some not-so-good” came to light. Headlines were highlighting these issues. Due to this, google had to launch this Panda. 

3. PENGUIN: April 24, 2012

INTRODUCTION: 

It was a codename for an algorithm by google. The main key point for raising this update is aimed at decreasing the SEO rankings of websites that demolish google’s webmaster guidelines. Falsely, few websites increase the SEO ranking of their pages through artificial means by using grey hat SEM techniques, by pointing excess links than usual towards their page. 

HOW IT WORKS: 

Google penguin targets two major manipulative services, keyword stuffing and link schemes. This means it segregates the original links and the spammy links(paid or unnatural created links) practices shown in link scheme documentation. 

4. PIRATE: August 2012

INTRODUCTION: 

The google pirate update was regarding the traffic google sends it drops by 89 per cent. It was an attempt at google's efforts to demolish the sides that gained a huge number of removable notices. 

HOW IT WORKS: 

Pirate, originally called the DCMA update, sees that, if a site has numerous DMCA requests, it demotes the site. Google upgraded and confirmed it in 2014. It keeps on updating its catch-hold of the copyright contents. 

5. HUMMINGBIRD: September 2013

INTRODUCTION: 

Hummingbird, a pet name for a google algorithm was named after discovering its speed and accuracy. It came into existence one month preceding to launch. 

HOW IT WORKS: 

It emphasises natural language, keeping in mind the context, its meaning, and individual keywords, as well it focuses much on the individual pages published it a website. So, it can redirect the users directly to that page. 

This focuses on human conversations and natural talks. The writers were encouraged to build their content through natural writing, instead of keywords leading to efficient usage of technical web development. 

6. PIGEON: July 2014

INTRODUCTION: 

Google pigeon is the code name for a local search algorithm. It aims at delivering preference to local search algorithms. On the first day itself, it received multiple responses from webmasters, few were complaints on SEO rankings whereas the rest were reports on improvement in the search engine rankings. 

HOW IT WORKS: 

It works by lessening replications of organic and merged page results. It performs its task based on your location, it acts upon google maps as well due to the location services. It aims at furnishing much more feasible, relevant and accurate responses for local search queries. 

7. RANKBRAIN: October 2015

INTRODUCTION: 

Rankbrain is a machine learning-based google search algorithm. It aids towards furnishing more relevant and better search results. It is the third most important factor in SEO. But, Rankbrain is ranked with less than 15 per cent of queries. 

HOW IT WORKS: 

For example, if the machine notices phases that it is not familiar with, it automatically looks for similar words that resemble the same and produces many accurate results, making it highly effective never detected search queries. Search queries are classified based on Word vectors also known as distributed representations, which match similar linguistic words. 

8. POSSUM: September 2016

INTRODUCTION: 

Possum is a local search algorithm that specifies, businesses that are circulated in the outskirts of the city saw a huge hike in ranking, as well nowadays, it is screening based on address and affiliation. It focuses on the current location of the user. 

HOW IT WORKS: 

Its main purpose is to allow local businesses to appear in the local search along with all the other businesses. It also decides when the business shows up in the search results, as well as purifies business listing other than search results. 

9. MOBILE PAGE SPEED UPDATE: July 2018

INTRODUCTION: As it is being called a mobile page speed approach, the name itself signifies that it focuses on the speed of the pages. It will look at how faster are your mobile pages are and utilize that for ranking factors. 

HOW IT WORKS: 

It will only have a look at the pages that deliver the slowest experience. Its main goal is to make these sites come to light if they perceive great and engaging content, regardless of the technology that is used. 

10 BERT: October 2019

INTRODUCTION: 

Bert is a neural network-based google algorithm for the pre-training of Natural language processing. BERT- Bidirectional encoder representations from transformers. Bert assesses the computer to understand the language such as how humans do. 

HOW IT WORKS: 

It utilizes the method of masked language modelling to present a particular word in focus from seeing itself, it doesn’t have multiple meanings in a context. In which words are defined by the surroundings. 

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