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Basics of Search Engine Positioning
A. Terms
Search Engine: A machine "tuned" by humans to index
web pages. For instance, Excite.
Algorithm: The way in which the search engine is
"tuned". An algorithm is the way the search engine will
determine ranks - it is the way the search engine is
programmed to determine ranks. An algorithm may take
only certain things into account - like keywords in the title
or link popularity. Some engines use cyclical algorithms -
meaning they may change algorithms from week to week.
Directory: A list of sites compiled by humans. For instance,
Yahoo!
Spider: A spider goes to your site and finds your pages.
It then stores those pages in a database for future retrieval
by the search engine.
Indexing: When the search engine takes the pages from
the database that the spider has created and places them
in an order based on the algorithms of that engine. All search
AOL Gives Up The GhostThe company that dominated dial-up Internet use is coming to grip with the future. As ..... engines have a different indexing process - due to different
algorithms - that's why you get different results in different engines.
Query: The keywords that a person types into a search
box. A person is "querying" the search engine.
Crawling: When the spider follows the links from the page you
submit - the spider is "crawling" your site.
Automatic Update: When the spider returns to your pages at
periodic intervals to check to see if you've made any changes.
Optimizing: You can optimize, tune or configure your web
pages for a specific search engine. This means that you are
employing specific strategies for specific engines.
Spam:
- Using the same keyword more than three times in your
keywords tag.
- Putting keywords into your tags that has nothing to do with
your actual page content.
- Using text, spacers, or borders the same color as the
background.
- Using tiny text with keywords in an attempt to increase ranks.
B. Search Engines v. Directories
There is a difference between a search engine and a directory.
A search engine is a machine - or a "robot". A human may program
algorithms for a search engine, but a human will have nothing to do
with your site when the spider is visiting your site or the engine is
indexing your pages.
A directory can be compiled by a robot, but more often than not,
it is compiled by humans. Yahoo! is a prime example of a directory.
When you submit your site to Yahoo! a human will review your site for
consideration in their index.
The lines between search engines and directories are
becoming jaded. This is because each major "search engine" is
associated with a "directory." For instance, we used to call AltaVista
a search engine. However, we have to be careful with that terminology.
When you go to AltaVista and you type in a search - you are definitely
getting results from the "engine" part of AltaVista. But when you search
down through the "categories" - you haven't typed anything into the
"search box" - you are now getting results from a directory (these results
come from two directories - Open Directory Project and LookSmart.)
There is a relationship between search results in the "engine" and the
directory or directories that are associated with a particular search
engine. It appears that many search engine's algorithms have been
set to include results based on the directory. Therefore, it is imperative
that you are listed in the directory associated with ......
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