Search Engine Optimization: History and Evolution
Search Engine Optimization: History and Evolution
A process of maximizing the number of visitors to a particular website is known as Search engine optimization. There are mainly two types of optimization,
⦁ On page Optimization
⦁ Off page Optimization
On page Optimization means working with in the website, for an example make a change in the content of the website. Off page optimization means working out side the website, for example sharing a webpage through social medias.
Search Engine Optimization: Techniques
There are mainly two type of Search Engine Optimization techniques ,
⦁ White hat SEO
⦁ Black hat SEO
White hat SEO means the man who do his optimization work in an ethical way. And the Black hat SEO means the man who do his optimization work by breaking the ethics. Key word stuffing and key word meta tag is considered as a back hat SEO practice. Stuffing key words to unwanted places is known as Key Word Stuffing. Key Word Meta tag is a way that helps as to increase our ranking. But google stops this in 2009 September 21 because of the over use.
Google changed its strategy from content specific to link specific. The websites which have more link support from another sites will placed at the top position in ranking is known as link specific. But the coming of link sellers resulted low grade search results. So the google introduces Quality link specific. it means if we want to increase the ranking of the website through link support,the link suppliers must have a high ranking position in google.
Google Page Rank is another facility, it means google checks our websites quality and rank it by out of 10. But now page rank is not in use. There were many things which helps as to increase page rank. Some of them is; the age of our website, the spent time of the viewers, re visitors, regular visitors etc.
But after the introduction of Google Link Specific, the sites which have high ranks are ready to sell their links. Google can't stops this link suppliers. So google introduces another facility "Passing the Juice". It means the website which have high page rank unnecessarily supply links, google automatically lowers the rank of the sites. And google also introduces a "no follow tag", if we added a no follow tag in a link, the equity of our web page will not lost.
Google adverse is another facility which helps as to add advertisements in google. Cpc means cost per click, every keyword has a fixed price in google the advertiser must pay the cpc cost for every click. Google ad sense helps the advertiser to post his advertisement in search network sites. Through this facility the advertiser can also earn money from every visitors click.
The number of visitors of the site will decrease when google updates its algorithm. Then the earning also decreases, so google refresh this update.
Matt Cutts is the head of Web Spam Team. This team makes google as more users friendly one. They introduces the Google Suggest, through this google starts responding to the user.
Pogo Sticking: when a website rank highly but it is failed to satisfy the user, if it is a common occurrence in that site. Google concludes that this site is not useful to the audience and the rank of the site will drops.
Bounce rate: the percentage of the visitors who opens a site and then leave with out continue to scroll the page. High bounce rate indicates that the site has not doing a good impact on visitors.
Social Media Signals: refers a web pages collective shares, likes etc these activities helps to improve the ranking of a site.
Social Media Authority: it calculates one webpages social media interaction and increase the ranking of the webpage which have more social media interaction. When two or more pages have same interactive rate, then google calculates the authority value of the interacted people and rank the page which have more authority value.
Google Panda Update is an important change in googles ranking mechanism and It was first released on 2011. Panda Update mainly focused against to content spamming. There were many types of content spamming, they are; content duplication / content plagiarism, low quality content, spelling mistakes, grammatical errors, content spinning, tinny
pages. In 2014 google update a new version of Panda, Panda 4.0 it is an important update in google and also google makes this as a permanent filter. After crawling a page google panda filters it, if it notice any spamming google cancel the page.
Sandbox
Sandbox is a temporary database. After crawling a webpage, the uncleared pages will be deposited to a temporary catch box.
Penguin
Google introduces Penguin Update in 2012. Penguin update focused against link spamming. When webpages buy and sell links for increase the google ranking, the quality of the search result decreases. There were many types of link spamming such as; link exchanges, paid links, link farming ( creating link automatically), comment spamming (add links with comments), wiki spamming (by edit the content of Wikipedia pages and then add links in it).
The over use of of gust blogging also considered as a spam.
Humming bird
Humming bird is an update in google algorithm and it gives a systematic search result. But if a wrong information is accepted as right by more people, google also accepted this as right.
Rank Brain
Rank Brain is the new version of humming bird update. This update understands the nature and needs of the searcher.
Pigeon Update
It is the name given to googles local search algorithm updates. This update increases the ranking of local listing. through this this update the search engine provides results based on users location and listing the results available in the local directory. This update is helpful to local users and businesses.
Pirate update
Googles pirate update is a filter introduced in 2012. It is designed to prevent sites with many copyright violation reported in DMCA system.
EMD update
Exact Match Domain is introduced in 2012 September 27 and is to prevent poor quality sites which have high rank, because they had match search term in their domain names.
Parked Domain Update
It is a registration of an internet domain name with out that domain being associated with any services like e-mail or a website. This is a practice of reserving a domain name for future development. Google introduces Parked Domain Update for removing parked domain sites from search results.
Mobilegiddon
Mobilegiddon is a name given to google's algorithm update. Through this update google gives priority to sites that display well on smartphones and other mobile devises.
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