nyone who is serious about also follows the site’s outbound
building wealth on the links. The spider then returns
Internet MUST master the all that information back to a
search engines. Therefore, central depository, where the
learning how the search engines data is indexed. It will visit
actually work and how they each link you have on your
present information to the website and index those sites as
customer initiating a search, is well. Some spiders will only
key to anyone optimizing their index a certain number of pages
website for search engine on your site, so don’t create a
indexing. site with 500 pages!
The most common methods the The spider will periodically
search engines use to index a return to the sites to check for
site is by using content scanning any information that has changed.
robots called “Web Crawlers” or The frequency with which this
“Spiders”. happens is determined by the
moderators of the search engine,
Search Engines use spiders to although there is a metatag
index websites. When you submit within many websites’ header that
your website pages to a search contains instructions for the
engine by completing their crawlers to return in a specified
required submission page, the number of days.
search engine spider will index
your entire site. A “spider” is A spider creates a file almost
an automated program that is run like a book; it contains the
by the search engine system. table of contents, the actual
Spider visits a web site, reads content and the links and
the content on the actual site, references for all the websites
reads the site's Meta tags, and it finds during its search, and
it may index up to a million way that pages link to other
pages a day! pages in the Web. By checking how
pages link to each other, an
Example: Excite, Lycos, AltaVista engine can both determine what a
and Google. page is about, if the keywords of
the linked pages are similar to
When you ask a search engine to the keywords on the original
locate information, it is page.
actually searching through the
index which it has created and These algorithms are largely a
not actually searching the Web. mystery; a deep secret known only
Different search engines produce to the search engine staff. Huge
different rankings because not amounts of money are paid to SEO
every search engine uses the same (search engine optimization)
algorithm to search through the experts (as well as some who
indices. claim to be experts) to optimize
pages for the highest possible
One of the things that a search search engine rankings. Top
engine algorithm scans for is the rankings on engines like Google
frequency and location of mean market domination for the
keywords on a web page, but it well optimized site, and that top
can also detect artificial rank is highly contested, as you
keyword stuffing or spamdexing. can guess!
Then the algorithms analyze the
About the Author:
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