SEO, SEARCH ENGINE OPTIMIZATION
SEO, Search engine optimization is the process or
optimizing techniques done on website to rank keywords on search engine page,
where keywords are certain words the user ask for or the queries of user.
The
queries asked by the user or the result s of search are being displayed on SERP (Search Engine Results
Page).
SEO mainly constitute of 3 techniques namely crawling, caching and indexing.
Crawling
capture new and updated websites as snapshots with the help of bots.These snapshots are being saved in database and
this process is Caching. The process in
which these are being mapped by Google is called Indexing.
History and Evolution
History
Popularly used search engine, Google was the result of
two graduates, Larry Page and Sergey Brin, project works. Google was invented
by them in 1998, Sept 4. Meanwhile in 2001, September 11, WTO attack took place
but the people were not able to get updated information. So Google decided to
share its algorithm with others so that it would be more beneficial for the
users with the most updated information. Thus SEO
Starter Guide was introduced to the
world.
Evolution
SEO ranking based on content: Here
the quantity of the content matters and not the quality.So the length of the
content kept on increasing but was not useful for the users.Another issue was
of keyword stuffing, where the keywords are being added unnecessarily into the
content to increase the page rank. To overcome this link spamming was
introduced.
Link spamming:In
link spamming certain links are being included in other links or web pages. But
here unnecessary links or web pages increased or appeared on websites through payment.
Quality link: High
authority value website links to low authority website and equity transfer
between them takes place.
During 20th century Google found inflow of
money through advertisements which include adsense,
platform to place advertisements and adwords,
advertisement focused on keywords (pay per click).
Webmasters are the ones who make changes
Webmasters are the ones who make changes
Page rank is a score (0-10) given by Google based on
200 factors and these factors include keywords, quality link, high quality
content, domain authority, page authority etc.
Search results are of two types paid and organic
results, where paid results are those which are to be paid to Google and
organic results are the actual search results or useful information for the
user.
Updates
Panda update,2011:
Update to stop content spamming. To remove website with low quality, thin
pages, content duplication and content spinning.
Penguin update,2012:
Update to stop link spamming .To remove websites with link exchange, paid
links, link farming, wiki spamming, content spamming and guest blogging.
Pigeon update, 2015:
Update for local SEO. It is done by Google My business to locate nearby or
local business without any fault information.
Humming bird update,2013:
Update to provide semantic, deeper and detailed information about a keyword or
user query.
Rank brain update,2015:
Update to provide more deeper information depending on the user with the help
of AI.
Other updates:
-Pirate update:
Update on piracy and copyright
-Parked
domain: Update to remove parked domain, where park domain are
the additional or temporary domain.
-Exact match
domain update: Update for parked domain.
-Mobilegeddon
update: Update for mobile searches
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