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Some Search Engine
Basics
What are Search
Engines?
A search engine is really three
different applications that work together to find and retrieve
information. The applications are:
-
An indexer (also known
as a spider, crawler or robot) that finds and indexes Web pages for inclusion in a database.
-
A database that stores indexed
references to Web pages.
-
A query interface that handles
the queries submitted by users.
Search Engines put all the resources of the Web within reach of the more than
150 million internet users. The fundamental purpose of search
engines is to index Websites in a way that allows people to use keywords to
find Web pages that interest them.
In general, there are three
different types of search engines:
1. Internet-wide: Most of the
big search services that let you search not only the Web
but also Usenet newsgroups and more.
2. Multiple-search: Sites set
up to let you search several search service's databases all at once.
3. Specialized: Services that
focus on a particular part of the online world, such as newsgroups, individual
web pages, companies and more.
How do Search Engines
Operate?
Search engines can't find your web pages without a little help,
which is why you need to register your site. If you don't, search engines may
eventually track down your site through a link to one of your pages from someone
else's site or in their ongoing meanderings through cyberspace.
After a
search engine finds your site, it uses links within your pages to find
additional pages. It crawls through your website one link at a time and
adds the information into its database.
Search Engines don't store all the data in your pages. Instead,
they create indexed references to your pages that generally contain the
following information:
-
Page Title: From the top TITLE bar on your page.
-
Page URL: The registered domain name of your site.
-
Summary Description: A description of your site taken from
the page itself.
-
Keyword List: A list of words taken from describing your
site, accompanied by a relevancy index that explains how relevant each
indexed word is to other indexed words and how relevant the indexed words
are to the page title.
Most search engines create indexed references to your Web pages,
although almost every search engine gathers this information from different
areas of your web page. Whereas one search engine might gather the summary
description from the first hundred characters on your home page, another search
engine might look for common words or phrases in the page to use in the summary
description. Still another might concentrate on major headlines.
The various search engines use the summary information they
gather in different ways as well. Some make all the information available to
user queries. Other search engines store all the information categories,
yet user queries are performed only against specific categories of data, such as
the page title and keyword list.
This information gathering process is not a one-time deal.
After search engine robots or spiders initially index your site, it is usually
scheduled for re-indexing at periodic intervals. This re-indexing process
enables search services keep abreast of the ever-changing face of the Internet.
Search Engine Watch
is a great place to go for tips on how search engines and indexes work, and how
to get listed on them.
Free Advertising - With a Catch!
Just imagine...
"If you had a machine that read minds and could identify the people who were interested in your product - at the very moment they were most interested in it - you could be extremely economical with your advertising dollars and you would not need to be the best salesman in the world.
"Guess what? Such a machine actually exists... it's called a search engine.
"Search engines are the ULTIMATE research, prospecting and advertising tool. Nothing else comes even close. They catch the prospect at the exact moment he has invested his time, energy and attention in seeking a solution to his particular problem."
"To make a long story short: If you can win the top position for a POPULAR key word that generates
QUALIFIED traffic and you have a halfway decent conversion process, you just got yourself the equivalent of a license to print money!"
-- Ken McCarthy, A
"System" Primer, The System for Internet Marketing, http://www.the-system-seminar.com
There is no question but that search engines can be a valuable marketing tool when used properly. It's
well worth your time and effort to ensure that your Web Site achieves a high
ranking in the search engines because it becomes a great form of FREE
advertising! In fact, search engines are one of the few ways that you can
advertise online for free AND generate large volumes of traffic.
The problem is - getting the high ranking that will do you any good is far
easier said than done. It's a proven fact that most searchers rarely look past the top ten or twenty
listings, so just getting listed isn't going to do you much good.
If you're targeting a small niche market, competition may not be a big
problem. With a modest amount of effort you may be able to get your site listed in the top ten or twenty positions, generally
because there aren't 50,000 other marketers to compete with. But what if your
market is a little bigger?
It's a classic Catch-22 really. As the number of web surfers searching for a
particular keyword or keyword phrase increases, so does the competition for
their attention. Which brings us to...
The Importance Of Keywords
& Keyword Phrases
While
there are no "secrets" to high search engine rankings, there are a few simple steps
you can take while designing your Web pages to encourage relatively favorable
rankings - and it all starts with keywords.
Keywords are words that can be used to describe the contents or theme of your
web site, and your understanding and proper use of keywords in your web pages is
largely responsible for the way in which the major search engines will rank your
pages. After all, that's basically how a search engine works - a user enters a
keyword or keyword phrase to describe what they are looking for, and the search
engine displays a bunch of web pages which are supposedly related to that
keyword or phrase.
This means that the first step in optimizing your web pages for the search
engines is to compile a list of keywords or keyword phrases that your potential
prospects will be most likely to use when searching. This is not a task to be
taken lightly either - you'll want to spend some time brainstorming various
words and combinations of words. Our next tutorial will give you some
guidance in "Building Your
All-Important Keyword List."
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