Wednesday, 2 August 2017

History and Evolution of Search Engine Optimization

       

 History and Evolution of SEO      

This article is about the History and Evolution of Search Engine Optimization.
Search Engine Optimization is a process of affecting the apparency of a website or webpage in a web search engines results. Before going to the topic in detail lets have a glance on the history of google.Google was a project done by two Phd students named Larry Page and Sergy Brin at Stanford University during the year 1996.


History and Evolution of SEO
In the beginning result searched in the google was send to users mail id. By 2001 google became famous. September 11,2001 was a remarkable date in the history of google which lead to the development of google as a search engine. On this day a big tragedy which took the breath of USA occured. It was on this day that the World Trade Center was demolished by Al-Qaeda. Destruction of World Trade Center has a relation with SEO ie, when this incident happend people tried to get more information about it,but the google could'nt give any detailed information about that topic. This was a degradation for google, as a result the cheifs of google gathered a meeting.The main question asked in meeting was how to make website crawlable? Before going to the answer in detail let us understand the google's searching technique.There are 3 steps: Crawling,Catching and Indexing. 

Crawling is similar to scanning. If google gets a new webpage it goes through it by scanning it and takes a screenshot. Next step is Catching. In this step the screenshot taken is during crawling is placed in database based on the category. Last step is Indexing, data is retrieved based on the requested category or result. Now let us go back to the question that was asked during discussion. Many suggestions were stated but the best suggestion was Google cannot do but webmaster can. Now you will be thinking of webmaster and his role... Definition for webmaster is the person who maintain a particular website. Atlast google decided to reveal their optimization technique and they published 'SEO starters guide' a pdf which describes about the optimization technique.

In the beginning search engine was niche specific ie, content specific. It depends on the occurance of keyword in the website. For the ranking purpose people began to use the method called Keyword Stuffing. Keyword stuffing is a black hat seo technique[non ethical practise]. This is done by entering keyword in blankspace and making it background color or reducing pixel siz to 1. 

Before 8 years google supported the concept of keyword meta tag but after that google stopped supporting of meta tag. An article about this was published in webmaster central blog of 21 sept,2008. Concept of meta tag is still used in youtube. Due to a large increase in black hat seo's google changed from niche specific to link specific. Website that get maximum link will be ranked high. Even then there was no progress in the quality of website so gradually google changed from link specific to quality link specific, for that google introduced the concept of page ranking which was introduced and named after Lorry Pages. Page rank was Trust worthy. Important page rank feature was Link quality. Till last year page rank was visible but now it is kept hidden. Last page rank updation was done on 6 December, 2013 and the twitter had the highest ranking because it has large activities carried out. Other one of the top ranked site was US Government website.

A new mchanism called 'Passing The Juice' was introduced by google. Its the mechanism where high ranked webpages sharing the rank with less ranked sites for money. Google also introduced a new mechanism called 'no follow' to avoid reduction of loosing rank or to avoid equity. If we are sharing link with high ranked website 'no follow' is not compulsary. Even though google has became so much popular and advanced it is afraid to do any updation becase whenever updation is done it has face a huge loss for google p.p.c. 
History and Evolution of SEO-google adsense



Google Adwords is an online advertising process developed by google. It played an important role in the development of google.  AdWords' system is based on cookies and  keywords determined by advertisers. Advertisers pay when users click on the advertising copy and this is called CPC or click per cost. Partner websites receive a portion of the income.  Google Adsense is the other program run by google to perform automatic text, image, video etc that are targeted to audience. it performs based on cpc.

By 2009 they didn't google only to search engine, they extended it's feature to act as personal assistant. For this they made search system interactive. From 2009 ranking was interaction oriented.
Pogo sticking was the another interesting feature added by google. By 2010 social medias like facebook became more influenced, therefore social media ranking was introduced. According to
this ranking of websites increases for the one's that shares with social media. Gradually users began to share with social media for more ranking. Subsequently google began to support pages that not only shares with social media but also the one's with more interaction.

Important Google Updates

History and Evolution of SEO-google algorithms

Panda Updates

History and Evolution of SEO-panda updation

From 2011 google began to do strong updations inorder to gain the trust of the users. the main updation done was PANDA. Panda updation mainly focussed on content spamming.
Different content spamming methods are Duplication,Contents with less quality, Spelling mistakes and grammer mistakes, Content Spinning, Thinny Pages etc.. All these spamming methods were punished by panda. Panda updation was very successful and google began to develop different versions of panda. Subsequently google added panda to their main algorithm as a filter.

Penguin Updates

History and Evolution of SEO-penguin updation

By 2012, a new updation called penguin updation was done. It focused on link spamming. Different types of link spamming are: Link exchange, Link selling and link Buying, Comment Spamming, Link Farming, Wiki Spamming, Guest Blogging etc.

Parked Domain Updates

History and Evolution of SEO-parked domain

On 16 april,2012 a new updation  called Parked Domain was introduced. Rich people buy websites, from that only few of them was made live others remain parked. By using parked domain updation these parked sites are removed.

EMD Updates

History and Evolution of SEO-emd updates

27 September,2012 EMD Updation(Exact Match Updation) was introduced. Some People book  website based on exact keyword and they won't do any further updations, such pages are removed by EMD.

Humming Bird Updates

History and Evolution of SEO-humming bird update

Later Humming Bird Updation was introduced. It was based on semantic search result. Here google act as an intelligent person using Artifical Intelligence and provide the best result for users. On 2015 advanced version of Humming Bird ie, Rankbrain Updation was introduced.

MobileGiddon Updates

History and Evolution of SEO-mobilegiddon

On 15 April, 2015 an updation called Mobile Giddon was introduced. It was a mobile friendly updation and it is used to remove non mobile friendly app.

Pigeon Updates

History and Evolution of SEO-pigeon update

Pigeon Updation was released on july 24, 2014. It provides more importance to local result. It provides the result based on user location and listing in the local directory

 



  

2 comments:

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