How it all Works, or Doesn't
Naturally, to understand how to please these search engines and
rank well in the SERP's, or Search Engine Rank Pages, you need to
have a basic understanding of how it all works (or, if you do it
wrong, how it doesn't!).


Driving web search engines

What drives search engines are their own indexing programs.
Those indexing programs are fed information from programs which
crawl the millions of pages on the web and feed back essential
information to the engine.

These crawlers are most commonly
referred to as 'Spiders'. The exact programs and algorithms u sed
by these programs are not disclosed, and vary from search engine
to search engine. But from practice and study, we can determine
the most basic, and even some of the more complex, practices
employed by the major search engines.


When spiders go crawling the web, they start with the most popular
pages. From there, they follow the structure and links from those
sites to other pages and websites, indexing the most often
occurring words as they go along.



What the spiders deem to be the more important keywords—and
for any given subject there can be many—they send back to their
database. There, those keywords and phrases are cataloged, and
information is kept to quickly tell the search engine where to find
the words and accompanying information again—such as when a
user enters those terms or similar terms into a search bar.



Based on a variety of factors, the pages that host the information,
or words, that the spiders find are ranked in importance and
relevance to a subject, or more accurately, a set of terms; if more
than one set of terms appears on a website, the site can be ranked
for those terms, giving the possibility to rank well for many related,
but different sets of keywords or key phrases.

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