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Intro To Search Engine Optimization
earch engines are one of submit a short description to the
the primary ways that directory for your entire site,
Internet users find or editors write one for sites
websites. That's why a web site they review. A search looks for
with good search engine listings matches only in the description
may see a dramatic increase in submitted.
traffic.
Changing your web pages has no
Crawler-Based Search Engines effect on your listing. Things
that are useful for improving a
Crawler-Based search engines, listing with a search engine have
such as Google, create their nothing to do with improving a
listings automatically. They listing in a directory. The only
"crawl" or "spider" the web, then exception is that a good site,
people search through what they with good content, might be more
have found. likely to get reviewed for free
than a poor site.
If you change your web pages,
crawler-based search engines The Parts of a Crawler-Based
eventually find these changes, Search Engine
and that can affect how you are
listed. Page titles, body copy Crawler-based search engines have
and other elements all play a three major elements. First is
role. the spider, also call the
crawler. The spider visits a web
Human-Powered Directories page, reads it, and then follows
links to other pages within the
A human-powered directory, such site. This is what it means when
as the Open Directory, depends on someone refers to a site being
humans for its listings. You "spidered" or "crawled". The
spider returns to the site on a matches to a search and rank them
regular basis, such as every in order of what it believes is
month or two, to look for most relevant.
changes.
Major Search Engines: The same,
Everything the spider finds goes but different
into the second part of the
search engine, the index. The All crawler-based search engines
index, sometimes called the have the basic parts described
catalog, is like a giant book above, but there are differences
containing a copy of every web in how these parts are tuned.
page that the spider finds. If a That is why the same search on
web page changes, then this book different search engines often
is updated with new information. produces different results.
Sometimes it can take a while for Now lets look more about how
new pages or changes that the crawler-based search engine rank
spider finds to be added to the the listings that they gather.
index. Thus a web page may have
been "spidered" but not yet How Search Engines Rank Web Pages
"indexed". Until it is indexed -
added to the index - it is not Search for anything using your
available to those searching with favorite crawler-based search
the search engine. engine. Nearly instantly, the
search engine will sort through
Search engine software is the the millions of pages it knows
third part of a search engine. about and present you with ones
This is the program that sifts that much your topic. The matches
through the millions of pages will even be ranked, so that the
recorded in the index to find most relevant ones come first.
the way humans can.
Of course, the search engines
don't always get it right. So, how do crawler-based search
Non-relevant pages make it engines go about determining
through, and sometimes it may relevancy, when confronted with
take a little more digging to hundreds of millions of web pages
find what you are looking for. to sort through? They follow a
But, by and large, search engines set of rules, known as an
do an amazing job. algorithm. Exactly how a
particular search engine's
As WebCrawler founder Brian algorithm works is a closely kept
Pinkerton puts it, "Imagine trade secret. However, all major
walking up to a librarian and search engines follow the general
saying" ‘travel'. They are rules below.
going to look at you with a blank
face". Location, Location, Location...
and Frequency
Ok- a librarian's not really
going to stare at you with a One of the main rules in a
vacant expression. Instead, they ranking algorithm involves the
are going to ask you question to location and frequency of
better understand what you are keywords on a web page. Call it
looking for. the location/frequency method,
for short.
Unfortunately, search engines
don't have the ability to ask a Remember the librarian mentioned
few questions to focus search, as above? They need to find books to
librarians can. They also can't match your request of "travel",
rely on judgment and past so it makes sense that they first
experience to rank web pages, in look at books with travel in the
title. Search engines operate the location/frequency method
same way. Pages with the search described above. All the major
terms appearing in the HTML title search engines follow it to some
tag are often assumed to be more degree, in the same way cooks may
relevant than others to the follow a standard chili recipe.
topic. But cooks like to add their own
secret ingredients. In the same
Search engines will also check to way, search engines and spice to
see if the search keywords appear the location/frequency method.
near the top of a web page, such Nobody does it exactly the same,
as in the headline or in the which is one reason why the same
first few paragraphs of text. search on different search
They assume that any page engines produces different
\relevant tot the topic will result.
mention those words right from
the beginning. To begin with, some search
engines index more web pages than
Frequency is the other major others. Some search engines also
factor in how search engines index web pages more often than
determine relevancy. A search others. The result is that no
engine will analyze how often search engine has the exact same
keywords appear in relation other collection of web pages to search
words in a web page. Those with a through. That naturally produces
higher frequency are often deemed differences, when comparing their
more relevant than other web results.
pages.
Search engines may also penalize
Spice in the Recipe pages or exclude them from the
index, if they detect search
Now it's time to qualify the engine "spamming". An example is
when a word is repeated hundreds search engine can both determine
of time on a page, to increase what a page is about and whether
the frequency and propel the page that page is deemed to be
higher in the listings. Search "important" and thus deserving of
engines watch for common spamming a ranking boost. In addition,
methods in a variety of ways, sophisticated techniques are used
including following up on to screen out attempts by
complaints from their users. webmasters to build "artifical"
links designed to boost their
Off the page factors rankings.
Crawler-based search engines have Another off the page factor is
plenty of experience now with click through measurement. In
webmasters who constantly rewrite short, this means that a search
their web pages in an attempt to engine may watch what result
gain better rankings. Some someone selects for a particular
sophisticated webmasters may even search, then eventually drop
go to great lengths to "reverse high-ranking pages that aren't
engineer" the location/frequency attracting clicks, while
systems used by a particular promoting lower-ranking pages
search engine. Because of this, that do pull in visitors. As with
all major search engines now also link analysis, systems are used
make use of "off the page" to compensate for artificial
ranking criteria. links generated by eager
webmasters.
Off the page factors are those
that a webmasters cannot easily Search Engine Ranking Tips
influence. Chief among these is
link analysis. By analyzing how A query on a crawler-based search
pages link to each other, a engine often turns up thousands
or even millions of matching web to be in the top ten results.
pages. In many cases, only the 10 Then those are your target
most "relevant" matches are keywords for that page.
displayed on the first page.
Each page in you web site will
Naturally, anyone who runs a have different target keywords
website wants to be in the "top that reflect the page's content.
ten" results. This is because For example, say you have another
most users will find a result page about the history of stamps.
they like in the top ten. Being Then "stamp history" might be
listed 11 or beyond means that your keywords for that page.
many people may miss your web
site. Your target keywords should
always be at least two or more
The tips below will help you come words long. Usually, too many
closer to this goal, both for the sites will be relevant for a
keywords you think are important single word, such as "stamps".
and for phrases you may not even This competition means your odds
be anticipating. of success are lower. Don't waste
your time fighting the odds. Pick
For example, say you have a page phrases of two or more words, and
devoted to stamp collecting. you will have a better shot at
Anytime someone types, "stamp success.
collecting", you want your page
About the Author:
http://www.nicetermpaper.com
Read more articles by: Mike Stripe
Article Source: www.iSnare.com
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