Search engines perform
several activities in order to deliver search results
·
Crawling - is the process of
fetching all the web pages linked to a web site. This task is performed by a
software, called a crawler or a spider (or Googlebot, as is the case with
Google).
·
Indexing - is the process of
creating index for all the fetched web pages and keeping them into a giant
database from where it can later be retrieved. Essentially, the process of
indexing is identifying the words and expressions that best describe the page
and assigning the page to particular keywords.
·
Processing - When a search request
comes, the search engine processes it . i.e. it compares the search string in
the search request with the indexed pages in the database.
·
Calculating Relevancy - Since it is likely that
more than one pages contains the search string, so the search engine starts
calculating the relevancy of each of the pages in its index to the search
string.
·
Retrieving Results - The last step in search
engines' activities is retrieving the best matched results. Basically, it is
nothing more than simply displaying them in the browser.
What is
Search Engine Rank?
When you search any keyword
using a search engine then it displays thousands of results found in its
database. A page ranking is measured by the position of web pages displayed in
the search engine results. If Search engine is putting your web page on first
position then your web page rank will be number 1 and it will be assumed as
with a high rank.
What is
on-page and off-page SEO
Conceptually, there are two
ways of doing SEO
On-Page SEO- This
includes provding good content, good keywords selection. putting keywords on
correct places, giving appropriate title to every page etc.
·
Off-Page SEO - This includes link building, increasing link popularity by
submitting in open directories, search engines, link exchange etc.
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