One of the most
important things to understand about search engine optimization or SEO is how search
engines work. It is because of how they work that you will need to implement some
SEO rules into your website to get the desired results you are looking for.
Search engines use a list of critical operations that allow them to determine
how information is found in their system. Once you understand how search
engines work, it is easier to know how to ensure your website fits within their
methods.
One of the things
that search engines do is to crawl the web. These are automated programs that
are often referred to as spiders or bots. They crawl throughout the web and
take a look at each of the documents and pages of websites that make up the
web. It is important to note that these bots work, but they often work slower
than the pace of the web. Some estimates show that of the 20 billion pages on
the web, spiders have crawled through only half of them, if that.
Processing queries is
another function of the search engine and that is something that most people
are familiar with. When you log into your system and punch in a search for
information online, the search engine looks through its massive index of
websites and documents and matches your query with the websites that seem to
best fit it. Often, the phrase or terms within the website are found on the
page in the manner that the searcher is looking for.
Yet another way that
these search engines work is through indexing documents and pages. As mentioned,
when the spiders crawl through your page, they gather important information
about it and then they store these pages in an index. When someone searches for
information relevant to the website, such as with the use of key phrases, this
ultimately leads the search engine to work through billions of documents in
seconds to produce a list (search engine results page) of options for the
searcher.
Ranking is also an
important process for search engines. In short, all of those indexed pages are
ranked by how valuable they are to the searcher. The algorithm used is complex
and impossible to know specifically, but through SEO practices and rules, we do
know some of these factors, which are critical for you to understand if you
hope to build a successful website.
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