Important GOOGLE Algorithm Change

Panda Algorithm Change

 PANDA ALGORITHM CHANGE

Google panda update is a search filter introduced in February 2011. Its aim was content farming, content spinning, it also checks for content duplication, grammatical errors, spelling mistake to lower the rank of low quality sites or thin sites, in particular content farming or content mill is a website. Where its content is writer for SEO bots instead of human radars. 
Content spinning is taking out a text writer in one way, and rewriting it so that it sounds in another way.

PENGUIN ALGORITHM CHANGE
Penguin Algorithm Change

It rolled out in April 2012, it was an effort to avoid low quality website that give spamming links and keyword stuffing. Link spamming include link exchange, link selling, and buying penguin also peeps out for comment spamming is by trying to get links to their websites by posting links to their sites everywhere. They also give the links in the comment space.

WIKI SPAMMING : Wikipedia is a site where everybody who can access the internet can edit the content. It is a every popular site since they are big non profit sites. Before 2005, Wikipedia.com never had added no follow tag, so all links from it are counted as a valuable link to any site. But after that it added a no follow tag, so it tells the search engine not to pass any link power to that link. But there are still 100's of wikis that have not added no follow tag and are subject to spamming.

PARKED DOMAIN UPDATE

This rolled out on 12th April 2012. Parked domain is an alias domain for your primary domain. It will be pointing to the same webpage. Imagine if someone queries for a brand name and if the search engine brings up the parked domains firsts, this activity will lessen the quality of the page.

EXACT MATCH DOMAIN

Google launched it as a filter on 28th September 2012 to prevent a low quality sites which had been developed with keywords that match search terms in their domain name and does not have upgraded to maintain the quality of webpage.

HUMMING BIRD UPDATE
Humming Bird Update

Google updated its algorithm in September 2013 according to this change, a search engine will pay more attention to the phrase rather than the keyword. Google will bring forth semantic search result. Google will give out the best matching result after the query. They had used artificial intelligence with algorithm while updating. 

RANK BRAIN UPDATE

Of 2015 was an updated version of humming bird. Here artificial intelligence is was deeply used let see an example, if different age group people searched for a cordless mouse in a different manner. Google always try to give the result incorrect way for google plays as a person with high intelligence.

MOBILE GIDDEON UPDATION 

By 2015 the number of mobile users increased drastically. By April 2015 google also released new mobile-friendly ranking algorithm that's designed to give mobile friendly pages in mobile search. To make a website/page highly ranked the design of page must be more responsive. Also the user would not have to tap the screen to read the content. If a user gets into a website using a specific mobile device using a specific device then the website should be shown accordingly. Earlier it was mentioned that even if a page is not mobile friendly then also if its rich in content then it may rank high. The latest update come in 2016.


I have already published a blog post on history and evolution of SEO.






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